LINGO-tutorial

代码说明：

   这是一篇lingo的教程。LINGO 是用来求解线性和非线性优化问题的简易工具。LINGO 内置了一种建立最优化模 型的语言，可以简便地表达大规模问题，利用 LINGO 高效的求解器可快速求解并分析结果。(LINGO is a simple tool for solving linear and nonlinear optimization problems. The built-in LINGO to establish an optimization model of language, large-scale problems can be easily expressed, using the LINGO solver efficiency and results can be quickly solved. )