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D.3.1.11 submatProcedure from library
Example: LIB "matrix.lib"; ring R=32003,(x,y,z),lp; matrix A[4][4]=x,y,z,0,1,2,3,4,5,6,7,8,9,x2,y2,z2; print(A); → x,y, z, 0, → 1,2, 3, 4, → 5,6, 7, 8, → 9,x2,y2,z2 intvec v=1,3,4; matrix B=submat(A,v,1..3); print(B); → x,y, z, → 5,6, 7, → 9,x2,y2 |
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