Singular Manual: LRcoef

| #### D.15.8.2 LRcoef Procedure from library `lrcalc.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: Example:
    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

User manual for Singular version 4.3.2p10, 2023, generated by texi2html.