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D.2.3.3 pmatProcedure from library
Example: LIB "inout.lib"; ring r=0,(x,y,z),ls; ideal i= x,z+3y,x+y,z; matrix m[3][3]=i^2; pmat(m); → x2, xz+3xy, xy+x2, → xz, z2+6yz+9y2, yz+3y2+xz+3xy, → z2+3yz, y2+2xy+x2, yz+xz pmat(m,3); → x2 xz+ xy+ → xz z2+ yz+ → z2+ y2+ yz+ |
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