insert a small matrix inside a big matrix

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Anvinder Singh
Anvinder Singh 2016-5-25
评论： oliver murray 2020-11-4
i have a 1000 x 1000 matrix and a 45 x 45 matrix. both have random numbers. how can i insert the small matrix in the bigger one at a given location. lets say i want to insert the small matrix from 250 x 250 onwards. How do i do it ? I do not want the elements of the big matrix to become zero for all other places left after inserting the smaller matrix, i mean padding the small matrix with zeros wont be helpful in this case. Please assist.

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Todd Leonhardt
Todd Leonhardt 2016-5-25
You do it like so. Suppose your 1000 x 1000 matrix is called big and your 45x45 matrix is called little.
big(250:294, 250:294) = little;
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