How to select non-NaN from a matrix?

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balandong 2017-11-20

回答： balandong 2017-11-20

Say we are only interested to extract row with only a non-NAN,

1  1  1  0  0
1  1  1  0  0
1  1  NaN  0  NaN
1  1  1  0  0
1  1  1  0  0
1  1  1  0  0
1  1  1  0  0
1  1  1  0  0
1  1  1  0  0
NaN  1  1  1  0  0

That is, row 1,2,4,5,6,7,8,9.

balandong 2017-11-20

The following should work

X = ones(10,4);
X(3,4) = NaN;
X(3,6) = NaN;
X(10,1) = NaN;
newData=X((all((~isnan(X)),2)),:);

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