常見(jiàn)例句Supports UpperTriangularMatrix, LowerTriangularMatrix, DiagonalMatrix, SymmetricMatrix, BandMatrix, UpperBandMatrix, LowerBandMatrix, SymmetricBandMatrix, RowVector, ColumnVector. 支持UpperTriangularMatrix,LowerTriangularMatrix, DiagonalMatrix, SymmetricMatrix, BandMatrix,UpperBandMatrix, LowerBandMatrix, SymmetricBandMatrix, RowVector,ColumnVector。 返回 diagonalmatrix