Flowdock
-(other) public

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# File lib/matrix.rb, line 1622
    def -(other)
      case other
      when Numeric
        Scalar.new(@value - other)
      when Vector, Matrix
        Scalar.Raise ErrOperationNotDefined, "-", @value.class, other.class
      else
        apply_through_coercion(other, __method__)
      end
    end
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