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ArrCone    --    cone of an arrangement of hyperplanes

Syntax

ArrCone(A: LIST, t: RINGELEM): LIST

Description

This function returns the list of hyperplanes of the cone of the list A of hyperplanes of an arrangement with respect to the indeterminate t.

Example

/**/ use QQ[x,y,t]; /**/ A := [x, x-1, y]; /**/ ArrCone(A, t); [x, x -t, y, t]

See Also