how to find the number of negative cells in matrix ?

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yosra on 12 Nov 2022

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Commented: Voss on 12 Nov 2022

Accepted Answer: Voss

how to find the number of negative cells in matrix

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Voss on 12 Nov 2022

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A = randn(5) % 5-by-5 random matrix
A = 5×5
   -0.1182    1.1458   -0.7931   -1.2282   -0.4492
    1.9749   -0.0542   -0.3788    0.2144   -1.0333
    1.3979    1.2310    2.3602    0.7574   -0.1836
    0.6968   -0.3670   -1.5154    0.6693   -0.6576
    0.4933    1.8072    2.2063    0.2762   -1.3458
nnz(A < 0) % number of elements of A that are < 0
ans = 12

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yosra on 12 Nov 2022

thanks it worked

Voss on 12 Nov 2022

You're welcome!

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