matlab表达式y=sin(x)/x和y=sin(x)./x有什么区别,
matlab表达式y=sin(x)/x和y=sin(x)./x有什么区别,
matlab中变量带黑点和不带黑点有什么区别?例如y=exp(-x/3).*sin(x)与y=exp(-x/3)*sin
matlab画y=sin(x)+sin(2*x)+...+sin(20*x)的图像
Matlab编程问题 cos(x*y)*cos(x*(1-y))-0.5x*sin(x*y)*sin(x*(1-y))=
y(x) = x^2×sin(x^2-x-2),怎么用matlab写出表达式啊?谢谢
用matlab画y=sin(x)/x
matlab 求出y=x*sin(x)在0
用matlab绘制y=sin(x)*cos(x)
y=sin(x)和y=cos(x)的和matlab程序
证明sin(x+y)sin(x-y)=sinx-siny
x*y'*sin(y/x)-y*sin(y/x)+x=0 求微分方程的解
matlab 画图y=20.*sin(x)+x.^3+x+1 x=-5:0.1:5;