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[OBSOLETE]type conversion
[OBSOLETE]
To cast INT, RAT, STRING to a polynomial (and more in general
to a RINGELEM) use
RingElem
.
To cast RINGELEM to INT, RAT use
AsINT
,
AsRAT
.
To cast LIST to MAT use
matrix
.
To cast MAT to LIST use
GetRows
,
GetCols
.