rectangular diagonal matrix造句

例句与造句

1. Formally, the singular value decomposition of an m \ times n real or complex matrix \ mathbf { M } is a factorization of the form \ mathbf { U \ Sigma V ^ * }, where \ mathbf { U } is an m \ times m real or complex unitary matrix, \ mathbf { \ Sigma } is a m \ times n rectangular diagonal matrix with non-negative real numbers on the diagonal, and \ mathbf { V } is an n \ times n real or complex unitary matrix.
2. It's difficult to find rectangular diagonal matrix in a sentence. 用rectangular diagonal matrix造句挺难的