"algorithms" . "simplex algorithm" . "Simplex algorithm" . "revised simplex method" . . . "simplex algorithm of Dantzig" . . "Simplex algorithm" . . "Simplex algorithm#Surplus variable" . "simplex method" . "Simplex methods" . "Simplex-based methods" . . "pivoting" . "Simplex_algorithm#Pivot_operations" . . "stalling" . . . . . . . "converted to standard form" . . "pivoting algorithm" . . . "Simplex" . . . . "Simplex method" .