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Use when many competing answers are expected in order to find the solution that performs better.

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Best way to extend the size and add terms to a SparseArray without expanding

Let's say I have a "small" SparseArray of any size, in the example $2\times2$ MatrixForm[ m2 = SparseArray[{{i_,i_}->1,{1,2}->a},2] ] I want to expand it to a "Large"m any size larger than the p …
rhermans's user avatar
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