Method: Matrix#trace

Defined in:
lib/openc3/core_ext/matrix.rb

#trace ⇒ Object

Sums the diagonal values of the matrix



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# File 'lib/openc3/core_ext/matrix.rb', line 86

def trace
  sum = 0.0
  @rows.length.times do |index|
    value = @rows[index][index]
    if not value.nil?
      sum += value
    else
      break
    end
  end
  return sum
end