Remove NaN and create one column

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Hi,
I have a matrix A (31 x 12) which has NaN values and need to remove all NaN values and make it a one column (:). How can I do it MATLAB?

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per isakson
per isakson 2014-7-4
"I have this matrix A and has NaN values. I need
  1. to remove NaN values from all the columns and
  2. write the values into one column (:)."
Step one is not possible because it would result in columns with different length.
Switching the order of the steps will return a result
A = A(:);
A( isnan( A ) ) = [];

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