741 	def __init__ (self, numCols, numRows, scalars):  argument
742 		assert len(scalars) == numRows*numCols
743 		self.numCols	= numCols
748 	def fromScalar (numCols, numRows, scalar):  argument
750 		for col in range(0, numCols):
753 		return Mat(numCols, numRows, scalars)
756 	def identity (numCols, numRows):  argument
757 		return Mat.fromScalar(numCols, numRows, 1.0)
760 		assert 0 <= colNdx and colNdx < self.numCols
765 		assert 0 <= colNdx and colNdx < self.numCols
769 	def toMatrix (self, numCols, numRows):  argument
770 		res = Mat.identity(numCols, numRows)
771 		for col in range(0, min(self.numCols, numCols)):
787 		if self.numRows == self.numCols:
790 			return "mat%dx%d" % (self.numCols, self.numRows)
796 		return isinstance(other, Mat) and self.numRows == other.numRows and self.numCols == other.numCols
804 …return Mat(self.numRows, self.numCols, [self.scalars(i) * val.scalars(i) for i in range(self.numRo…