CenterArray

CenterArray[a,n] creates a list of length n with the elements of a at the center and zeros elsewhere.

CenterArray[a,{n1,n2,…}] creates an n1×n2×… array with the array a at the center and zeros elsewhere.

CenterArray[a,nspec,pad] uses pad instead of zero for the background.

CenterArray[nspec] creates an array with a single 1 at the center and zeros elsewhere.

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