= private = protected
-(v)
Vector subtraction.
# File lib/matrix.rb, line 1156 def -(v) case v when Vector Vector.Raise ErrDimensionMismatch if size != v.size els = collect2(v) { |v1, v2| v1 - v2 } Vector.elements(els, false) when Matrix Matrix.column_vector(self) - v else s, x = v.coerce(self) s - x end end