Change the sign of a polynomial matrix object
Multiplies the given polyMatrix by -1, and
returns the -1 times the given polynomial matrix.
pMsgn(pm)
pm |
a polynomial matrix object |
The polynomial matrix for which the pm+pMsgn(pm)
equals a zero polynomial matrix.
A <- polyMgen.a() A class(A) # "polyMarray" "polyMatrix" A - polyMconvert(A,"polyMbroad") A - polyMconvert(A,"polyMcells") A - polyMconvert(A,"polyMdlist") A + pMsgn(polyMconvert(A,"polyMbroad")) A + pMsgn(polyMconvert(A,"polyMcells")) A + pMsgn(polyMconvert(A,"polyMdlist")) # clean up # rm(A)
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