なかのにっき

最新版はこちら。 突っ込みは各日付の BBS エントリのほか、 メール (nakano@st.seikei.ac.jp) や フォーム からどうぞ。 なおスパム除けのため、BBS 機能には 緩い認証を入れて います。 検索エンジンから来た方は、エンジンの方のキャッシュを見るか、 下の簡易検索を試してみてください。


hns - 日記自動生成システム - Version 2.19.5

先月 2001年01月 来月
1 2 3 4 5 6
7 8 9 10 11 12 13
14 15 16 17 18 19 20
21 22 23 24 25 26 27
28 29 30 31
Namazu for hns による簡易全文検索
詳しくは 詳細指定/ヘルプを参照して下さい
検索式:

2001年01月11日(木) [n年日記]

#1 [LDP] 10/11 の updates

#2 学科鯖のメンテ

なぜか今朝から mnews の起動に死ぬほど時間がかかる... と思っていたら、 FreeBSD な学科鯖の named が core 吐いて死んでいた。 とりあえず各ゾーンファイルの先頭に "$TTL 3D" を追加、 named.conf にも文法エラーがあったので fix して ndc start。 しかしなんで死んだんだろ *1

いい機会なので、昨日知った pkg_version の情報をもとに ports の更新作業。 nkf はなぜか md5 があわなんだ。 apache は保留。 gnuplot とか、いらなそうな pkgs はバシバシ削除。

ついでに。 /etc/rc.conf をいじれば、 これまで xntp, bind, routed などの起動ルールが書いてあった /etc/rc.local は不要なことが発覚。
*1: あるいはなぜこれまで生きていたのだろう...

#3 [freshmeat] 1/10 分の新着メールから

#4 [paper] Phys. Rev. Focus 9 Jan 2001

CONDUCTIVITY IS SKIN DEEP:

Ferroelectric materials can create an electric field the way iron magnets create a magnetic field. And because they're so easily miniaturized, ferroelectrics are being used to permanently store data in a new generation of so-called smart cards, used for financial transactions in some countries. But condensed matter physicists still don't fully understand how these promising materials work. When an isolated ferroelectric crystal becomes polarized (the electric field equivalent of "magnetized"), some decades-old theories predict that its surface should conduct electricity, even though the crystal itself is an insulator (nonconducting). Now a Japanese team reports in the 8 January PRL that they have finally verified this surprising prediction. But not all experts are convinced.
コメント [全部読む/投稿する]

2001年01月12日(金) [n年日記]

#1 [linux] tar -I → tar -j

from DWN 9 Jan 2001 :
Watch out for the Debian tar SNAFU. The -I switch in Debian's tar program makes it use bzip2 for compression. However, in unstable the -j switch should be used instead, and -I has an altogether different meaning.
2.2.18 展開しようとしたら駄目だったなそういえば。

#2 [thesis] HISPUT package

本体の関数の仕様が変わったので examples/ 辺りをザクザク編集。 readme も徐々に書かないと。

#3 学科鯖の backup

覚え書き。以下のような感じで。

/etc/fstab:

# Device                Mountpoint      FStype  Options         Dump    Pass#
/dev/wd0s1b             none            swap    sw              0       0
/dev/wd0s1a             /               ufs     rw              1       1
/dev/wd0s1g             /home           ufs     rw              2       2
/dev/wd0s1f             /usr            ufs     rw              2       2
/dev/wd0s1e             /var            ufs     rw              2       2
#
proc                    /proc           procfs  rw              0       0
#
/dev/wd1s1e             /backup         ufs     rw              0       3
/dev/wd1s1f             /backup/home    ufs     rw              0       4
/dev/wd1s1g             /backup/usr     ufs     rw              0       4
/dev/wd1s1h             /backup/var     ufs     rw              0       4

/usr/local/bin/backup-data:

#!/bin/sh
rsync -vv --recursive \
        --archive --delete \
        --hard-links --sparse \
        --exclude-from=/usr/local/etc/rsync.exclude \
        / /backup/
--hard-links はえらく時間がかかるので好きずきかも。

/usr/local/etc/rsync.exclude:

/backup/
/proc/*
/var/tmp/
/tmp/
/usr/ports/
/usr/src/
/usr/obj/
/usr/X11R6/

#4 [freshmeat] 1/11 分の新着メールから

#5 [paper] PRB 63(1,2) 1 Jan 2001

Articles are listed below according to their six-digit article number. When citing these articles, the article number should be used instead of a page number; e.g., Phys. Rev. B 63, 012501 (2001).
と言うことになったらしい。

Irradiation-induced amorphization: Effects of temperature, ion mass, cascade size, and dose rate:

S. X. Wang, L. M. Wang, and R. C. Ewing; Phys. Rev. B 63, 024105 (2001)
An empirical model based on cascade "quenching" and epitaxial recrystallization has been developed to describe the accumulation of the amorphous fraction during ion beam irradiation experiments. The model is based on the assumption that the amorphous fraction that remains after the formation of a cascade is related to a crystallization efficiency parameter A. For low values of A, as would be expected at low temperatures, for heavy-ion irradiations, or for materials that are good glass formers, the accumulation of the amorphous fraction as a function of dose is an exponential function. For high values of A, as would be expected at elevated temperatures, for light-ion irradiations, or for materials that are poor glass formers, the accumulation of the amorphous fraction as a function of dose is a sigmoidal function. Amorphization dose varies as a function of temperature and is reflected by the temperature-dependent crystallization efficiency. The effects of ion mass and energy on critical amorphization dose and temperature are discussed in terms of the cascade size. The dose-rate effect on the critical temperature of amorphization is derived considering the thermal annealing of the damaged material.
コメント [全部読む/投稿する]

2001年01月13日() [n年日記]

#1 [LDP] 1/13 の updates

(04:22) (10:50)

#2 [URL] メールからのウイルス感染に要注意!

窓の杜新連載「はじめよう! 自分にできるセキュリティ対策」
新しい知見は特にないが、ユーザ教育にいいかも。 ただやっぱり「OutLook 系を使うな」とは書いてないな(苦笑)。

#3 [labo] MRS membership

どうも忘れていた気がしたのだが、督促メールが。 online form から申し込み。

#4 [paper] PRL 86(3) 15 Jan (2001)

Nucleation of bcc Iron in Ultrathin fcc Films:

Albert Biedermann, Michael Schmid, and Peter Varga; PRL 86(3) pp.464 (2001)
Needle-shaped bcc nucleation centers in fcc films of Fe on Cu(100) are observed by scanning tunneling microscopy. They form virtually without mass transfer and nearly under conservation of volume, which causes a large strain within the nascent bcc grain. The corresponding strain energy almost equals the gain in structural energy, rendering the bcc nucleation very sensitive to any effect influencing this subtle balance. We suggest that modifying the film by straining, alloying, or surface adsorption may inhibit the bcc nucleation and lead to thick metastable fcc films.

#5 [linux] gnuplot: [s]plot <filename> every ほげ

便利だ。
 The `every` keyword allows a periodic sampling of a data set to be plotted.

 In the discussion a "point" is a datum defined by a single record in the
 file; "block" here will mean the same thing as "datablock" (see `glossary`).

 Syntax:
       plot 'file' every {<point_incr>}
                           {:{<block_incr>}
                             {:{<start_point>}
                               {:{<start_block>}
                                 {:{<end_point>}
                                   {:<end_block>}}}}}

 The data points to be plotted are selected according to a loop from
 <`start_point`> to <`end_point`> with increment <`point_incr`> and the
 blocks according to a loop from <`start_block`> to <`end_block`> with
 increment <`block_incr`>.

 The first datum in each block is numbered '0', as is the first block in the
 file.

 Note that records containing unplottable information are counted.

 Any of the numbers can be omitted; the increments default to unity, the start
 values to the first point or block, and the end values to the last point or
 block.  If `every` is not specified, all points in all lines are plotted.

 Examples:
       every :::3::3    # selects just the fourth block ('0' is first)
       every :::::9     # selects the first 10 blocks
       every 2:2        # selects every other point in every other block
       every ::5::15    # selects points 5 through 15 in each block
ついでに 日本語 にして visualize ML に投げておく。

#6 [freshmeat] 1/12 分の新着メールから

コメント [全部読む/投稿する]

2001年01月14日() [n年日記]

#1 [LDP] 1/14 の update

#2 [thesis] thesis-figs

計算の入力用データを作る scripts を揃えて CVS import。 計算 job をぶち込み、3 日ぶりに帰宅。

#3 PS games

帰りに北斗の拳とドラクエ7を購入、 北斗の拳は 1 章だけやってみた。 ドラクエは、いっぺん神殿抜けておやじに石版をもらい、 王子を迎えにいって出口を間違えバルコニーに出たところでフリーズした(笑)

#4 [freshmeat] 1/13 分の新着メールから

コメント [全部読む/投稿する]

2001年01月15日(月) [n年日記]

#1 第1回 Love Meeting

t→∞ で log(t)→∞ のはずだが(笑)

Langumuir isotherm:

私はどっちかというと arctan(t) や 1-exp(-t) とかの方が先に浮かんだっすが :-)

#2 WinLPrt 6.04.0

#3 Don't Trust Over Thirty

ウヒヒヒ > title

#4 [book] C 言語ポインタ完全制覇

注文しよう。

#5 [labo] レポート採点

黙々とやる。これで後期の duty も終わりと思えば多少は嬉しい。

終了 (22:06):

5 cm 分のレポート 24 通。丸一日かかってしまった...

#6 [JM] 今日の post

採点中の気分転換(笑)に 1.34 に更新された LDP man-pages より getnameinfo.3。 *.7 が大変そうだな。

#7 [freshmeat] 1/14 分の新着メールから

#8 [paper] PRB 63(3) 15 Jan 2001

Model for surfactant-mediated growth of Ge on Pb-covered Si(111) surfaces:

Janusz Bben, Ing-Shouh Hwang, Tien-Chih Chang, and Tien T. Tsong;
Phys. Rev. B 63, 033304 (2001)
A model of surfactant-mediated epitaxy is investigated using the kinetic Monte Carlo method. This model assumes that (1) adatom-adatom interaction on the surfactant layer is weakly repulsive for dimers, and (2) a concerted atomic exchange of adatoms with surfactant atoms occurs when adatom clusters above the surfactant layer reach a threshold size. All essential features observed in a recent study of Ge/Pb/Si(111) reported by Hwang, Chang, and Tsong can be satisfactorily explained with this model.

Anisotropic island growth during submonolayer epitaxy:

Ch. Heyn;
Phys. Rev. B 63, 033403 (2001)
A scaling law describing the aspect ratio of submonolayer epitaxial islands is established by applying kinetic Monte Carlo simulations. Anisotropic detachment of atoms from island borders is identified to be responsible for the transition from nearly isotropic islands at low temperatures over one-dimensional chainlike structures to elongated compact islands at high temperatures. The devised scaling law reflects the influence of the energy barriers, growth temperature, and flux very precisely. A comparison with experimental data demonstrates quantitative agreement and allows the determination of kinetic parameters.

Adsorption of group III and group V metals on Si(001): One-dimensional versus two-dimensional growth:

Noboru Takeuchi;
Phys. Rev. B 63, 035311 (2001)
Scanning tunneling microscopy (STM) studies have revealed that when a small fraction of a monolayer of Al, Ga, or In is deposited on Si(001) it forms one-dimensional lines of ad-dimers on the surface. No similar structures have been reported for the case of group V elements. We have studied the adsorption of group III and group V metals on Si(001) by first principles total energy calculations starting with the adsorption of a single atom up to a full surface coverage. Different adsorption sites are found for single group III and V adatoms. When a second atom is adsorbed, in both cases, there is a strong preference of the two atoms to dimerize. However, the orientation and position of the ad-dimer is determined by the binding site of the first atom. The formation of the long lines in the case of group III and not for group V metals is a direct consequence of these differences.

Monte Carlo simulation of polycrystalline thin film deposition:

P. Bruschi, A. Nannini, and F. Pieri;
Phys. Rev. B 63, 035406 (2001)
A Monte Carlo program for the simulation of the growth of two-dimensional polycrystalline films onto amorphous substrates is proposed. The coordinate of the atoms are quasicontinuous, allowing islands with different orientations to be included in the same sample. Enhanced diffusion along grain boundaries does not need to be modeled ad hoc since, in our model, it is a simple geometrical consequence of grain misorientation. Adsorption sites are partly fixed and partly dynamically generated at run time. The energy barriers are calculated taking into account the environment of the diffusing atoms. Island and grain size distributions estimated over samples obtained with simulated depositions performed at various substrate temperature are reported. The effect of the substrate temperature on the average grain size in films with coverages from 0.2 to 1 have been simulated and compared with the experimental data available in the literature.

Kinetic Monte Carlo simulation of nucleation on patterned substrates:

L. Nurminen, A. Kuronen, and K. Kaski;
Phys. Rev. B 63, 035407 (2001)
The effects of a patterned substrate on island nucleation are investigated using kinetic Monte Carlo simulations. Two different models are formulated by incorporating an inhomogeneous energy surface into the basic solid-on-solid model of epitaxial growth to describe surface diffusion and consequent island nucleation on a patterned substrate. These models are related to two examples of real systems in which preferential nucleation at specific sites is encountered. Growth on a patterned substrate produces quite uniformly sized islands, which are are found to order into regular arrays displaying the periodicity of the underlying substrate. Confinement due to the patterned substrate is observed to be strongly dependent on the growth conditions. We demonstrate that there exists an optimal set of growth conditions determined by the length scale of the substrate pattern. In addition, the influence of the patterned substrate on the process of Ostwald ripening is discussed.
コメント [全部読む/投稿する]

2001年01月16日(火) [n年日記]

#1 very cold

起きてまず寝室の暖房を起動、 あったまったらトイレに立ちつつ台所の暖房を起動、 寝室に戻ってネット接続しつつ台所が暖まるのを待っていたり。 なお最近の朝飯の定番は正月の残りのモチの磯辺巻き。

給湯器のラインが凍ってるらしくてお湯が出ず、 洗顔が大変辛かった(わら

#2 [LDP] 1/16 の updates

#3 [linux] Linux Mobile Guide

Laptop-HOWTO から改題したようだ。 1 行がズギャギャと長い、困ったちゃんな sgml の仕様はなおったのかなあ。

#4 続 love 軸

おもしろい。制御論チックな展開に :-) Laplace 変換すると、より系の応答が明確に?(笑) そこはかとなく できるかな? の匂いもしますね。

#5 [labo] サーバの SCSI tape

カートリッジ 3 で unrecoverable I/O エラー。

#6 nkf(1.7) -d, -c options

man ページより:
       -c     NLあとにCRを付加する。

       -d     NLあとのCRを削除する。
便利。

#7 [freshmeat] 1/15 分の新着メールから

#8 [labo] 銀行振込

北東京バルブ・フィッティングと西和産業。 科研費の口座から 350K 円おろす。 ハンコがどれかわかんなくなってて *1 、窓口に出した後 2 分ほどちょっとしたスリルを味わう。 結局大丈夫だったけど。 E なやつね。
*1: いまの通帳には印影がのっておらず、 また科研費の口座はカードが付いてこない。

#9 [book] C 言語ポインタ完全制覇

ルーエ にて get。

#10 [labo] 科研費使用実績

~/text/k2000/budget.xls

#11 あなたにオススメのテキストエディターあります!

窓の杜。meadow はなかった。

#12 学生実験

最終レポート受付日。 採点を片付けて表を整理、 各担当の先生方に採点簿をメール。 ~/data/00exp1/result 以下。 自分の分のレポートは全て片づける。 後は補充実験の 3 通を残すのみ。 これで逃げられない状態に。

#13 [thesis] programs

黙々と計算中。density/ のやつは今晩には終わりそうかな?

#14 [paper] PRL 63(4) 15 Jan 2001

Terrace and step contributions to the optical anisotropy of Si(001) surfaces:

W. G. Schmidt, F. Bechstedt and J. Bernholc;
Phys. Rev. B 63, 045322 (2001)
The contributions of atomically flat terraces as well as of SA, SB, and DB steps to the optical anisotropy of Si(001) surfaces have been calculated using a real-space multigrid method together with ab initio pseudopotentials. Our results for ideal (1×2), p(2×2), and c(2×4) reconstructed surfaces show a distinct influence of the dimer arrangement on the optical spectra. The calculated spectrum for the Si(001)c(2×4) surface agrees best with the signal measured for atomically smooth terraces. The significant optical anisotropy around 3 eV observed for vicinal surfaces, however, is induced by surface steps. Both electronic transitions directly at the surface as well as in deeper layers contribute to the optical anisotropy. We identify two mechanisms causing anisotropy signals from layers beneath the surface: the influence of the anisotropic surface potential on the bulk wave functions as well as minor contributions from atomic relaxations caused by surface-induced stress.

Kinetics of fast island decay on Ag(111):

Karina Morgenstern, Georg Rosenfeld, George Comsa, Mads R. S?rensen, Bj?rk Hammer, Erik L?gsgaard, and Flemming Besenbacher;
Phys. Rev. B 63, 045412 (2001)
The kinetics of fast island decay on Ag(111) close to steps has been studied in scanning tunneling microscopy experiments and atomistic total energy calculations. We show that a breakdown of the step-edge barrier is not sufficient to explain the decay rates observed during fast decay events. From the interplay between experiments and theory, we instead propose that fast decay originates from concerted diffusion processes, which bypass the detachment barrier of atoms from kinks and step sites.

Ionization probability of sputtered negative cluster ions: Dependence on surface work function and emission velocity:

Hubert Gnaser;
Phys. Rev. B 63, 045415 (2001)
The yields of negatively charged carbon cluster ions C (2n21) and C (n = 8 and 10) emitted from graphite irradiated by 14.5 keV Cs+ ions were monitored during the initial stages of Cs incorporation in the near-surface region of the specimen. The associated work-function variations were determined in situ from the shifts of the sputtered-ions' emission-energy spectra; the total change amounted to ~2.7 eV. The lowering of induces an exponential increase of the ionization probability P^2 of the sputtered cluster ions. For C with n<=9, these variations of P^2 were monitored for several selected emission energies (from 0.5 to 15 eV), in order to investigate a possible dependence of P2 on the ion's emission velocity. For C+ and C_2- ions, such an influence of the velocity on the ionization probability was observed, whereas for larger clusters no distinct dependence was found in the velocity range accessible (7×10^5 cm/s). The results indicate that a resonant electron-transfer process may effect the ionization of the sputtered cluster species.
コメント [全部読む/投稿する]

2001年01月17日(水) [n年日記]

#1 this morning

寝る直前に寝室のファンヒーターが油切れ。 起きるのが大変辛かった。

#2 [LDP] ldp-discuss@lists.linuxdoc.org

完全移行の模様なので unsubscribe。

#3 kondara-uses.ja, kondara-devel.ja

こちらも最近見なくなったので unsubscribe。

#4 [book] C 言語ポインタ完全制覇 (2)

1 章だけ読んだ。これまでのところは非常に面白い。 と同時に、やっぱ自分は C とあまり深く関るのはよそう、 とあらためて決意(笑)

ちなみにこの本では「ナル文字」「ヌルポインタ」を使ってる。

#5 [thesis] yet another new program

粒子広がりの visualization, boundary つき version。 examples/spreadb/ 以下。苦戦した。 つか trap() 関数の (今までは発現していなかった) 問題を発見、 それを突き止めるまでに時間がかかった。 あとは gnuplot 用の formatting。

#6 [freshmeat] 1/16 分の新着メールから

#7 [paper] JAP 89(1) 1 Jan 2001

vol 88 の補完はまた追い追いということで...(^^;;;;;

Investigation of the gas pressure influence on patterned platinum etching characteristics using a high-density plasma:

S. Delprat, M. Chaker and J. Margot;
JAP 89(1) pp.29-33 (2001)
A high-density surface-wave magnetized argon plasma operated in the very low pressure regime together with a rf biased system is used to study the pure physical etching characteristics of platinum thin films. It is shown that, for a given dc self-bias voltage, the platinum etch rate strongly decreases as the operating pressure increases, which results from a decrease of the ion density at the sheath edge and from enhanced redeposition. It is found that using a high-density plasma in the very low pressure regime yields high etch rates with a good selectivity over resist. Fence-free features can also be achieved at bias voltages that, in contrast with reactive ion etching reactors, are only slightly above the platinum sputtering threshold.

Stress calculation in atomistic simulations of perfect and imperfect solids:

J. Cormier, J. M. Rickman and T. J. Delph;
JAP 89(1) pp.99-104 (2001)
We analyze a real-space expression for the local stress tensor. This tensor rigorously satisfies conservation of linear momentum. From this expression a coarse-grained tensor is obtained for use in atomistic simulations of solids. Our formulation is then validated by considering both a homogeneously strained crystalline solid and one containing an oversized inclusion. In the latter case a direct comparison is made with results from anisotropic elasticity theory. We find that we are able to obtain good agreement with the suitably averaged continuum solutions in the far-field regime. Moreover, the coarse-grained tensor derived here appears to offer superior accuracy as compared to a stress tensor that has been widely used in atomistic analysis.

Monte Carlo study of secondary electron emission:

Z. J. Ding, X. D. Tang and R. Shimizu;
JAP 89(1) pp.718-726 (2001)
Based on our previous Monte Carlo simulation model of electron interactions with solids, including cascade secondary electron production, in which an optical dielectric function was used to describe electron energy loss and the associated secondary electron excitation, we have systematically investigated secondary electron generation and emission for 19 metals. The calculated secondary yield curve for primary beam energy ranging from 100 eV to 2 keV was found to correspond with the experimental universal curve. The dependence of the secondary yield on the work function was studied numerically, leading to a remarkable scattered deviation from Baroody's relationship. This deviation shows that the secondary yield relates to different aspects of behavior by electrons in a metal, such as the cascade production process, the stopping power and specific energy loss mechanism for a sample, and the dependence on the electron density of states. The results provide an explanation for the scattered data on the experimental yield versus the work function. The calculations indicate that the characteristic energy loss of primaries may result in a corresponding feature in the energy distribution of secondaries.
志水先生だ。

Dynamic simulation of process control of the reactive sputter process and experimental results:

N. Malkomes and M. Verg?hl;
JAP 89(1) pp. 732-739 (2001)
The control of reactive sputter processes has been dynamically simulated by integrating the Larsson differential equations. This was done by employing a fast Runge?Kutta step control algorithm, allowing us to simulate sputtering with more than 20-fold real time speed on a pentium 166 Mhz. A simple proportional integral differential (PID) algorithm was implemented to simulate (i) the partial pressure control via reactive gas flow at a fixed current and (ii) the partial pressure control via current at a fixed reactive gas flow. The control cycle time was varied with respect to real life process control. These simulations show that arbitrary setpoints on the stationary s curve resulting from the steady state Larsson equations can be stabilized. However, the cycle time of the PID controller has to be small enough, e.g., less than 600 ms, for a reliable control. The setpoints in the transition mode are highly unstable, so that the process drifts immediately into one of the two corresponding stable steady states (typically within about 3?15 s) after freezing the control. In addition these computations were compared with experimental control results of reactively sputtered TiO2 and Nb2O5 films deposited by the midfrequency technique. In both cases the total s curve was stabilized at a constant oxygen flow. The process stabilization was performed at power densities of up to 5 W/cm2, limited by the generator output. For the oxygen partial pressure measurements a -probe with optimized speed was used.

Influence of particle adsorption probability on the stoichiometry of thin films grown by pulsed laser deposition:

T. E. Itina;
JAP 89(1) pp.740-746 (2001)
An expansion of a bicomponent laser plume into a dilute ambient gas is simulated using a combined direct simulation-random trajectory Monte Carlo method. The stoichiometry of thin films deposited from laser-desorbed material on a flat substrate is examined. In the case of energy-dependent particle adsorption probability, the dependencies of deposition rate on the background pressure are shown to be nonmonotonic with maximums at low gas pressure. In addition, an increase in the ratio of light to heavy species was obtained at low pressure. We demonstrate that these results can be attributed to the interplay between the effects of collisions with the background gas on the fluxes of particles arriving at the substrate and on the adsorption probability of the species. The calculation results are consistent with recent experiments. The study is of interest for the optimization of the experimental conditions during pulsed laser deposition of multicomponent materials.

#8 新年会

学科の。退官された先生方も何人かいらっしゃるとのことで楽しみ。

中華翠蘭。美味しかった。 ジェネレーションギャップの話で盛り上がり、札幌/東京オリンピック、 計算尺、タイガー計算機などどんどん遡る。 しかしまさか 二・二六事件 をリアルタイムで覚えている 先生がいらっしゃったとは思わなんだ...
コメント [全部読む/投稿する]

2001年01月18日(木) [n年日記]

#1 誕生日

登校早々 IRC の某チャネルで人様に教えてもらう自分って...

\.:

ぐはぁっ

#2 [LDP] 1/18 の updates

#3 [URL] RBB TODAY

ADSL/CATV/ワイヤレスインターネットの最新ニュースとISP案内サイト
らしい。うちも今年中には ADSL あたりにしたいな。 いま入ってる 多摩インターネット は、上流 1.5M なのでフレッツ ADSL の対応予定はないらしい。

#4 [freshmeat] 1/17 分の新着メールから

#5 [URL] PLplot Home Page

PLplot is a library of functions that are useful for making scientific plots. PLplot can be called from C, C++, FORTRAN, Python and Tcl. The PLplot library can be used to create standard x-y plots, semilog plots, log-log plots, contour plots, 3D plots, mesh plots, bar charts and pie charts. Multiple graphs (of the same or different sizes) may be placed on a single page with multiple lines in each graph.

#6 [thesis] 3d plot

境界付きの粒子の広がりなのだが、3D グラフで surface を書いて plot して、surface の陰の plot を隠してくれる機能を持ってるのがなかなかない。 と言うことで結局相当前に買った Windows 用の MATLAB を使うことに。

MATLAB 面白いんだけど、あまり習熟する時間が割けない。ツライ。
コメント [全部読む/投稿する]

2001年01月19日(金) [n年日記]

#1 [LDP] 1/19 の updates

#2 [JF] DNS-HOWTO 3.1

Langfelt さんが送ってきてくれたので ざっと 追随して JF にポスト。

#3 [linux] Packages marked removal

From DWN Jan 17th. げぇ、slatec (と slatec-dev) が removal list にはいってるぅ〜 ...とりあえずいまのうちに deb-src 落としとくか。 うーん、やっぱそろそろ debian のパッケージングを勉強しないとアレかなあ。

#4 [freshmeat] 1/18 分の新着メールから

コメント [全部読む/投稿する]

2001年01月20日() [n年日記]

#1 [LDP] 11/21 の update

ふーむ。あんまり knfsd の情報が増えたわけでもなさそうだなあ。
コメント [全部読む/投稿する]

以上、10 日分です。
タイトル一覧
カテゴリ分類
book
dept
issp
labo
paper
snap
stock
vsj
Powered by hns-2.19.5, HyperNikkiSystem Project

中野武雄 (NAKANO, Takeo) <nakano@st.seikei.ac.jp> Since 1999-10-07
RSS feed, 更新時刻, LIRS エントリ, アクセス制御 (解説)

中野のホームページへ