How do I find out if my matrix contains only one non-zero element and return true, if not false. Such that 0 0 0 0 0 0 0 0 0 should return FALSE(all element are zero) 0 0 0 0 0 1 0 0 1 should return FALSE(more than one element is non-zero) And finally; 0 0 0 0 0 0 0 0 1 should return TRUE I could use a for loop but i was wondering if there is any function that can do that

Return true if only one element in matrix is nonzero

조회 수: 4 (최근 30일)

Darlington Mensah 2018년 5월 8일

답변: Guillaume 2018년 5월 8일

How do I find out if my matrix contains only one non-zero element and return true, if not false.

Such that

0 0
0 0
0 0

should return FALSE(all element are zero)

0 0
0 1
0 1

should return FALSE(more than one element is non-zero)

And finally;

0 0
0 0
0 1

should return TRUE

I could use a for loop but i was wondering if there is any function that can do that

Guillaume 2018년 5월 8일

nnz(yourmatrix) == 1

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