Write a function that computes the sum of all elements of the input array v without using the following built-in function:
sum, trace, mean, norm, diag, numel, size, ans,width,height
The input v may be a vector or a matrix of any size.
If the input is empty, the function must return 0.
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Last Solution submitted on Aug 17, 2026

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Chris Cleveland goc3 Riccardo G. Kyle

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