1function w = GB_spec_Col_extract (w, mask, accum, A, I, j, descriptor) 2%GB_SPEC_COL_EXTRACT a MATLAB mimic of GrB_Col_extract 3 4% SuiteSparse:GraphBLAS, Timothy A. Davis, (c) 2017-2021, All Rights Reserved. 5% SPDX-License-Identifier: Apache-2.0 6 7if (nargout > 1 || nargin ~= 7) 8 error ('usage: w = GB_spec_Col_extract (w, mask, accum, A, I, j, desc)'); 9end 10 11% make sure j is a scalar 12if (length (j) ~= 1) 13 error ('j must be a scalar') ; 14end 15 16w = GB_spec_Matrix_extract (w, mask, accum, A, I, j, descriptor) ; 17 18 19 20