求MATLAB大佬 这个应该怎么解决
symstf;f=sym('heaviside(t)');F=fourier(f);subplot(2,1,1);ezplot(f,[-0.5,0.5]);subplot...
syms t f;f=sym('heaviside(t)');F=fourier(f);subplot(2,1,1);ezplot(f,[-0.5,0.5]);subplot(2,1,2);ezplot(abs(F),[-6,6]);hold on;t=-0.01:0.0001:0.001;f=pi*(t==0);plot(t,f);axis([-6,6,-0.5,3]);
警告: Support of strings that are not valid variable names or define a number will be
removed in a future release. To create symbolic expressions, first create symbolic
variables and then use operations on them.
> In sym>convertExpression (line 1536)
In sym>convertChar (line 1441)
In sym>tomupad (line 1198)
In sym (line 177) 展开
警告: Support of strings that are not valid variable names or define a number will be
removed in a future release. To create symbolic expressions, first create symbolic
variables and then use operations on them.
> In sym>convertExpression (line 1536)
In sym>convertChar (line 1441)
In sym>tomupad (line 1198)
In sym (line 177) 展开
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