can anyone help how add zero padding

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peter clark
peter clark 2022-4-8
评论： peter clark 2022-4-8
why is it invalid expression
>> Fs = imread('F:\Garena Image\JIU chrome.jpg');
>> Hs = fspecial('sobel');
size(Fs)
ans =
747 500
Ff = fft2(Fs, 512, 512);
Hf = fft2(Hs, 512, 512);
G = Hf .* Ff;
F = real(ifft2(G));
Fx = F(1:250, 1:250);
imshow(uint8(Fx))
ans =
1364 2048 3
ans =
↑
Error: Invalid expression. Check for missing or extra characters.

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回答（1 个）

KSSV
KSSV 2022-4-8
Ran in:
May be you are typing ans = in the workspace. You just need to type ans.
A = rand(10) ;
size(A)
ans % no error
You have to save the result into a variable and then display. Why you want to use ans?
ans = % error
This statement is incomplete.

Error in connector.internal.fevalMatlab

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