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method

column_size

ruby latest stable - Class: Matrix

Method deprecated or moved

This method is deprecated or moved on the latest stable version. The last existing version (v1_9_1_378) is shown here.

column_size()
public

Returns the number of columns. Note that it is possible to construct a matrix with uneven columns (e.g. Matrix[ [1,2,3], [4,5] ]), but this is mathematically unsound. This method uses the first row to determine the result.