07-29.txt

来自「MATLABR2006a基础教程」· 文本 代码 · 共 16 行

>> syms x y

>> f1=sin(x);

>> f1d=diff(sin(x))

>> f2=y*sin(x)+x*cos(y);

>> f2d=diff(f2)

>> f2d=diff(f2,y)

>> f3=exp(x^2);

>> f3d3=diff(f3,3)