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trace

trace()

Instance Public methods

Returns the trace (sum of diagonal elements) of the matrix.

Matrix[[7,6], [3,9]].trace
  => 16

Links:

https://github.com/ruby/ruby/blob/9a912c66d4f720e90c3522d40ac29c04dbd86a9b/lib/matrix.rb#L1154

doc_ruby_on_rails

2015-04-18 10:41:58

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