739 	def __init__ (self, numCols, numRows, scalars):  argument
740 		assert len(scalars) == numRows*numCols
741 		self.numCols	= numCols
746 	def fromScalar (numCols, numRows, scalar):  argument
748 		for col in range(0, numCols):
751 		return Mat(numCols, numRows, scalars)
754 	def identity (numCols, numRows):  argument
755 		return Mat.fromScalar(numCols, numRows, 1.0)
758 		assert 0 <= colNdx and colNdx < self.numCols
763 		assert 0 <= colNdx and colNdx < self.numCols
767 	def toMatrix (self, numCols, numRows):  argument
768 		res = Mat.identity(numCols, numRows)
769 		for col in range(0, min(self.numCols, numCols)):
785 		if self.numRows == self.numCols:
788 			return "mat%dx%d" % (self.numCols, self.numRows)
794 		return isinstance(other, Mat) and self.numRows == other.numRows and self.numCols == other.numCols
802 …return Mat(self.numRows, self.numCols, [self.scalars(i) * val.scalars(i) for i in range(self.numRo…