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姓名：shgch 职业：助理工程师 年龄：23 位置： 个性介绍：
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文章列表 - scilab
scilab 微积分的应用
<P>1<SPAN>：scilab <SPAN>计算<SPAN>微分<SPAN>的<SPAN>指令<SPAN>是<SPAN>diff<SPAN>（<SPAN>）<SPAN>；</SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></P><P><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN>  <SPAN>diff<SPAN>每对<SPAN>函数<SPAN>微分<SPAN>一次<SPAN>，<SPAN>矩阵<SPAN>内<SPAN>数值<SPAN>减少<SPAN>一<SPAN>；</SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></P><P><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN>例如<SPAN>：x=1:10;</SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></P><P><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPA……
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发表于:2008-05-20 ┆
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scilab 初阶程式语言设计
<P>1<SPAN>：<SPAN>for<SPAN>循环</SPAN></SPAN></SPAN></P><P><SPAN><SPAN><SPAN><SPAN>格式<SPAN>：for <SPAN>变数<SPAN>范围</SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></P><P><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN>       ..........<SPAN>循环<SPAN>体</SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></P><P><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN>       end </SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></P><P><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN>例如<SPAN>：clear</SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></P><P><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN>       i=1;</SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></P><P><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN>       j=1;</SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPA……
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发表于:2008-05-20 ┆
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scilab 立体空间的绘图
<P>1<SPAN>：<SPAN>程序<SPAN>命令<SPAN>脚本<SPAN>视窗<SPAN>的<SPAN>应用</SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></P><P><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN>在<SPAN>命令<SPAN>输入</SPAN><SPAN><SPAN>窗<SPAN>输入<SPAN>：<SPAN>scipad <SPAN>或者<SPAN>直接<SPAN>点击<SPAN>edit<SPAN>即可<SPAN>调出<SPAN>命令<SPAN>脚本<SPAN>输入<SPAN>窗<SPAN>。</SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></P><P><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN>在<SPAN>命令<SPAN>输入<SPAN>结束<SPAN>后<SPAN>点击<SPAN>ex<SPAN>e</SPAN>cute<SPAN>选择<SPAN>loader into scilab <SPAN>即可<SPAN>执行<SPAN>。</SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPA……
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发表于:2008-05-20 ┆
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scilab二维平面的绘图（二）
<P>1<SPAN>：<SPAN><SPAN>极</SPAN>坐标<SPAN>画图</SPAN></SPAN></SPAN></P><P><SPAN><SPAN><SPAN><SPAN>polarplot(t,r)<SPAN>如<SPAN>：t=0:0.001:2*%pi;r=sin(t);polarplot(t,r)</SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></P><P><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN>2:<SPAN>等势线<SPAN>的<SPAN>画法</SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></P><P><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN>contour(t1,t2,Z,N)<SPAN>如<SPAN>：A=rand(20,25) t1=1:20;t2=1:25;contour(t1,t2,A,5);</SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></P><P><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN>3:<SPAN>长<SPAN>条<SPAN>图bar(x,y)</SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></P><P><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN>4<SPAN>：<SPAN>步阶<SPAN>图plot2d2(x,y)</SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN><……
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发表于:2008-05-19 ┆
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scilab 二维平面绘图
<P>1:scilab<SPAN>存取<SPAN>一个<SPAN>普通<SPAN>资料<SPAN>档<SPAN>案<SPAN>的<SPAN>命令<SPAN>是<SPAN>：read/write;<SPAN>存取<SPAN>二进制<SPAN>档<SPAN>案<SPAN>的<SPAN>命令<SPAN>是<SPAN>：load/save;</SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></P><P><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN>  read('<SPAN>资料名</SPAN>'<SPAN>，A<SPAN>，B</SPAN></SPAN>)<SPAN>读取<SPAN>范围<SPAN>为AxB,<SPAN>资料名<SPAN>为<SPAN>绝对<SPAN>路径<SPAN>，<SPAN>路径的<SPAN>选择<SPAN>可以<SPAN>用linux<SPAN>命令<SPAN>切换<SPAN>，<SPAN>默认<SPAN>的<SPAN>路径<SPAN>为/home/yourname<SPAN>。</SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></P><P><SPAN><SPAN><SP……
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发表于:2008-05-19 ┆
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scilab基本数值计算
<P><SPAN>                         第一章 <SPAN>基本数值<SPAN>计算</SPAN></SPAN></SPAN></P><P><SPAN><SPAN><SPAN><SPAN>一<SPAN>基本<SPAN>运算<SPAN>符</SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></P><P><SPAN><SPAN><SPAN></SPAN></SPAN></SPAN></P><P><SPAN><SPAN><SPAN></SPAN></SPAN></SPAN></P><P><SPAN><SPAN><SPAN></SPAN></SPAN></SPAN></P><P><SPAN><SPAN><SPAN></SPAN></SPAN></SPAN></P><P><SPAN><SPAN><SPAN>1<SPAN>加减<SPAN>乘除</SPAN></SPAN><SPAN>：<SPAN>＋<SPAN>，<SPAN>－<SPAN>，<SPAN>＊ <SPAN>，/;</SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></P><P><SPAN><SPAN><SPAN>2<SPAN><SPAN>取<SPAN>对数</SPAN></SPAN>：<SPAN>log(),log2(),log10(),log1p(x)=log(1+x);</SPAN></SPAN></SPAN></SPAN></SPAN></P><P><SPAN><SPAN><SPAN><SPAN><SPAN>3<SPAN>自然数<SPAN>的<SPAN>次方<SPAN>：exp(),<SPAN>如exp(x);</SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></P><P><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN><SPAN……
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发表于:2008-05-19 ┆
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