convolution of two vector

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Rica
Rica 2013-7-15
评论： Walter Roberson 2020-10-4
hi !
i want to convolute a vector a=[a1 a2 a3 .....an] with the vectors in this matrix
b=[B1 B2 B3....Bn]. B are vectors.
is there any smart method to make this without loops?
C=[conv(a,B1) conv(a,B2)....conv(a,Bn)]
thank you

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采纳的回答

Image Analyst
Image Analyst 2013-7-15
out = conv2(b, a);

更多回答（1 个）

Rana Mahmoud
Rana Mahmoud 2020-10-4
yes! you can do the following:
y=conv(a, b)
  1 个评论
Walter Roberson
Walter Roberson 2020-10-4
No, this will not work.
Notice in the original question that B is a matrix -- each is a vector and the result is a 2D array.
conv() cannot be used with a matrix, only with vectors.
You need to use conv2() instead, as shown by Image Analyst.

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