線性規(guī)劃單純形法求取最優(yōu)解，有程序說明，已：min 3x1+2x2+x3-x3 s．t． x1-2x2+3x3-x4≤15 2x1+x2-x3+2x4≤10 x1，x2，x3，x4≥0 題目為例