% 横纵坐标等比例 axis equal % 设置横、纵坐标范围 axis([x1 x2, y1 y2]); 快速绘制曲线 linspace(a, b) 设置区间为a到b x = linspace(-10, 10); % 设置 x 自变量为 -10 到 10 plot(x, sin(x)); % 绘制 sinx 在 -10 到 10 的图像 三维绘图 绘制三维曲线的函数 plot3(x, y,...
401)*(401, 25)x1_mid=np.hstack([np.ones((x1.shape[0],1)),x1])x2=self.sigmoid(x1_mid.dot(self.theta2.T))# (5000, 26)*(26, 10)position=np.argmax(x2,axis=1)+1# 预测值accuracy=np.mean(position.reshape(5000,1)==self...
通过如下函数获取变量的信息 size(var); % 变量的尺寸 length(var); % 变量的长度 1. 2. 设置小数位数 vpa(x, n); % 显示 x 的 n 位小数 1. 向量及矩阵 用方括号括起来的元素表示矩阵和向量,在方括号中由空格或者逗号隔开的一组数据被定义为行向量,而由分号或者回车隔开的一组数据被定义为列向量;实...
Axis-Configuration.html /usr/share/doc/octave/octave.html/Bar-Series.html /usr/share/doc/octave/octave.html/Base64-and-Binary-Data-Transmission.html /usr/share/doc/octave/octave.html/Basic-Input-and-Output.html /usr/share/doc/octave/octave.html/Basic-Matrix-Functions.html /usr/share/doc/...
什么是GNU Octave？ Octave是一个科学应用程序，它使用Matlab类似的解释高级语言进行数值计算和模拟。 它...
y1 = [.16 .08 .04 .02 .013 .007 .004 .002 .001 .0008 ]; y2 = [.16 .07 .03 .01 .008 .003 .0008 .0003 .00007 .00002 ]; semilogy(x,y1,'-bo;y1;',x,y2,'-kx;y2;'); title('Plot title'); xlabel('X Axis'); ylabel('Y Axis'); print -dpng figure.png...
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Axis-Configuration.html /usr/share/doc/octave/octave.html/Bar-Series.html /usr/share/doc/octave/octave.html/Base64-and-Binary-Data-Transmission.html /usr/share/doc/octave/octave.html/Basic-Input-and-Output.html /usr/share/doc/octave/octave.html/Basic-Matrix-Functions.html /usr/share/doc/...
Axis-Configuration.html /usr/share/doc/octave/octave.html/Bar-Series.html /usr/share/doc/octave/octave.html/Base64-and-Binary-Data-Transmission.html /usr/share/doc/octave/octave.html/Basic-Input-and-Output.html /usr/share/doc/octave/octave.html/Basic-Matrix-Functions.html /usr/share/doc/...
Axis-Configuration.html /usr/share/doc/octave/octave.html/Bar-Series.html /usr/share/doc/octave/octave.html/Base64-and-Binary-Data-Transmission.html /usr/share/doc/octave/octave.html/Basic-Input-and-Output.html /usr/share/doc/octave/octave.html/Basic-Matrix-Functions.html /usr/share/doc/...