QR decomposition A QR decomposition of a matrix is a decomposition of a matrix into a product of an orthogonal matrix and an upper triangular matrix . Syntax qr_decomposition(Matrix) Description qr_decomposition(Matrix) Given a matrix, returns a list with two matrices: and . Options Below is a complete list of options that may be used in the qr_decomposition function. Option Description Format Default value matrix_form We can perform an special algorithm if the matrix is a Hessenberg matrix. {matrix_form="hessenberg"} general Related functions LU decomposition Table of Contents Syntax Description Options Related functions