rank

rank()

Instance Public methods

Returns the rank of the matrix. Beware that using Float values can yield erroneous results because of their lack of precision. Consider using exact types like Rational or BigDecimal instead.

Matrix[[7,6], [3,9]].rank
  => 2

Links:

https://github.com/ruby/ruby/blob/9a912c66d4f720e90c3522d40ac29c04dbd86a9b/lib/matrix.rb#L1106

doc_ruby_on_rails

2015-04-18 09:13:50

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