dp_vtoe, dp_etov

dp_vtoe(vect)

:: Converts an exponent vector into a term.

dp_etov(dpoly)

:: Convert the head term of a distributed polynomial into an exponent vector.

return

dp_vtoe : distributed polynomial, dp_etov : vector

vect

vector

dpoly

distributed polynomial

• dp_vtoe() generates a term whose exponent vector is vect.
• dp_etov() generates a vector which is the exponent vector of the head term of dpoly.

[211] X=<<1,2,3>>;
(1)*<<1,2,3>>
[212] V=dp_etov(X);
[ 1 2 3 ]
[213] V[2]++$
[214] Y=dp_vtoe(V);
(1)*<<1,2,4>>

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