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Is there a way to replace a specific NaN elements by integer where isnan would not work with steps greater than 1?

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Hello All,
Could you please help with this problem
I have this matrix
hh=[NaN 1 2 3 4;3 5 66 NaN 6;NaN 3 4 7 NaN; 9 NaN 8 2 NaN];
and I want to replace only the NaN in some places to an integer. I have tried this hh(isnan(hh(1:2:4,1)))=1; which should replace the NaN in element (3,1) by 1 but did not work

Answers (1)

Walter Roberson
Walter Roberson on 4 Jul 2017
mask = isnan(hh(:, 1)); mask(2:2:end) = false;
hh(mask) = 1;

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