Remove a column if it starts with NaN
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Could you please help me find a way to remove a entire column of a matrix if it starts with Nan
Thank you for any help!
回答（3 个）
Guillaume
2014-8-27
m(:, isnan(m(1, :))) = [];
Image Analyst
2014-8-27
Try this:
A = [1 nan 3 nan;
1 5 6 0;
2 2 3 4;
2 5 6 0;
2 6 7 8;
3 1 2 3;
4 1 2 3]
badColumns = isnan(A(1,:)) % Find cols with nan in top row.
fixedA = A(:,~badColumns) % Get all except the bad columns.
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