Both small and large matrix are sparse matrix. I will try following comments.
Thanks, Hyung Kim 2023년 2월 1일 (수) 오후 11:30, Jed Brown <[email protected]>님이 작성: > Is the small matrix dense? Then you can use MatSetValues. If the small > matrix is sparse, you can assemble it with larger dimension (empty rows and > columns) and use MatAXPY. > > 김성익 <[email protected]> writes: > > > Hello, > > > > > > I want to put small matrix to large matrix. > > The schematic of operation is as below. > > [image: image.png] > > Is there any function for put small matrix to large matrix at once? > > > > Thanks, > > Hyung Kim >
