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D.15.8.2 LRcoef
Procedure from librarylrcalc.lib (see lrcalc_lib).
- Usage:
- LRcoef(z, x, y); z, x, y lists of integers (partitions)
- Return:
- bigint
- Purpose:
- computes the Littlewood-Richardson coefficient c^z_{x, y}
- Note:
LIB "lrcalc.lib";
// Compute the Littlewood-Richardson coefficient c^z_{x, y}
// for z= (3, 2, 1), x=(2, 1), y=(2, 1)
list z = 3, 2, 1;
list x = 2, 1;
list y = 2, 1;
LRcoef(z, x, y);
==> 2
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