The package NumericalSchubertCalculus implements the Littlewood-Richardson and Pieri homotopy algorithms.
i1 : k = 3; n = 6; |
i3 : SchPblm = { ({2,1}, random(CC^6,CC^6)), ({2,1}, random(CC^6,CC^6)), ({2,1}, random(CC^6,CC^6)) }; |
i4 : solveSchubertProblem(SchPblm, k,n) o4 = {| -.973546-.443329i -.193482-.957391i -.460977-.267623i |, | | .153343-.291038i .339479-1.30008i -.577303-.171329i | | | .326239-.770744i .120186-1.46205i -.0769985-.323186i | | | -.451322-.514227i -.144874-.987789i -.589493-.209825i | | | -.052568-.692383i .364061-.704785i -.325325-.185011i | | | -.942864-.594173i -.826353-.203654i -.236865+.691374i | | ------------------------------------------------------------------------ -5.47422+1.18674i -.912706-1.64344i -.590144+.126046i |} -2.80395-.714508i -.793467-2.20255i -.016225+.340982i | -2.29873-2.34724i -.905617-2.59114i .0951404+.355536i | -3.36313+2.14592i -.703202-1.58202i -.375349+.205204i | -3.91243-.845457i -.528411-.900447i -.187047+.545512i | -4.19554+1.93172i -1.11528-.480829i .19859+1.24706i | o4 : List |