谁能帮我看看这个MATLAB程序怎么修改x=[1 2 4 5 6 7 8 10];N=length(x)n=0:N-1;k=0:N-1;X=x*exp(-j*2*pi/N).^(n*k);x1=X*exp(j*2*pi/N).^(n*k)/N;figure(1),stem(n,x);title('x(n)');figure(2),stem(n,abs(x1));title('IDFT丨x(k)丨')每次运行后
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/14 12:57:22
![谁能帮我看看这个MATLAB程序怎么修改x=[1 2 4 5 6 7 8 10];N=length(x)n=0:N-1;k=0:N-1;X=x*exp(-j*2*pi/N).^(n*k);x1=X*exp(j*2*pi/N).^(n*k)/N;figure(1),stem(n,x);title('x(n)');figure(2),stem(n,abs(x1));title('IDFT丨x(k)丨')每次运行后](/uploads/image/z/2105005-13-5.jpg?t=%E8%B0%81%E8%83%BD%E5%B8%AE%E6%88%91%E7%9C%8B%E7%9C%8B%E8%BF%99%E4%B8%AAMATLAB%E7%A8%8B%E5%BA%8F%E6%80%8E%E4%B9%88%E4%BF%AE%E6%94%B9x%3D%5B1+2+4+5+6+7+8+10%5D%3BN%3Dlength%28x%29n%3D0%3AN-1%3Bk%3D0%3AN-1%3BX%3Dx%2Aexp%28-j%2A2%2Api%2FN%29.%5E%28n%2Ak%29%3Bx1%3DX%2Aexp%28j%2A2%2Api%2FN%29.%5E%28n%2Ak%29%2FN%3Bfigure%281%29%2Cstem%28n%2Cx%29%3Btitle%28%27x%28n%29%27%29%3Bfigure%282%29%2Cstem%28n%2Cabs%28x1%29%29%3Btitle%28%27IDFT%E4%B8%A8x%28k%29%E4%B8%A8%27%29%E6%AF%8F%E6%AC%A1%E8%BF%90%E8%A1%8C%E5%90%8E)
谁能帮我看看这个MATLAB程序怎么修改x=[1 2 4 5 6 7 8 10];N=length(x)n=0:N-1;k=0:N-1;X=x*exp(-j*2*pi/N).^(n*k);x1=X*exp(j*2*pi/N).^(n*k)/N;figure(1),stem(n,x);title('x(n)');figure(2),stem(n,abs(x1));title('IDFT丨x(k)丨')每次运行后
谁能帮我看看这个MATLAB程序怎么修改
x=[1 2 4 5 6 7 8 10];
N=length(x)
n=0:N-1;k=0:N-1;
X=x*exp(-j*2*pi/N).^(n*k);
x1=X*exp(j*2*pi/N).^(n*k)/N;
figure(1),stem(n,x);
title('x(n)');
figure(2),stem(n,abs(x1));
title('IDFT丨x(k)丨')
每次运行后都出现:
Error using ==> mtimes
Inner matrix dimensions must agree.
是‘*’错了吗
谁能帮我看看这个MATLAB程序怎么修改x=[1 2 4 5 6 7 8 10];N=length(x)n=0:N-1;k=0:N-1;X=x*exp(-j*2*pi/N).^(n*k);x1=X*exp(j*2*pi/N).^(n*k)/N;figure(1),stem(n,x);title('x(n)');figure(2),stem(n,abs(x1));title('IDFT丨x(k)丨')每次运行后
x=[1 2 4 5 6 7 8 10];
N=length(x)
n=0:N-1;
k=0:N-1;
X=(x*exp(-j*2*pi/N)).^(n.*k);
x1=(X*exp(j*2*pi/N)).^(n.*k)/N;
figure(1),stem(n,x);
title('x(n)');
figure(2),stem(n,abs(x1));
title('IDFT丨x(k)丨')