目   录

前 言................................................................................................................................................................ 2

第一章GAMS的操作方法................................................................................................... 4

1.MENUS AND WINDOWS......................................................................................................... 4

1.0进入GAMS系统..................................................................................................................... 4

1.1 FILE MENU................................................................................................................................ 5

1.2 EDIT MENU............................................................................................................................ 14

1.3 SEARCH MENU................................................................................................................... 14

1.4 WINDOWS MENU.............................................................................................................. 16

1.5 HELP MENU........................................................................................................................... 17

第二章GAMS的程序语法................................................................................................. 19

2. GAMS程序基本结构................................................................................................................ 19

2.0概述............................................................................................................................................... 19

2.1 SET、ALIAS、AND TABLE语法范例................................................................ 20

2.2 PARAMETER AND SCALAR语法范例.............................................................. 21

2.3 VARIABLE语法范例....................................................................................................... 22

2.4 EQUATION语法范例....................................................................................................... 23

2.5 MODEL语法范例................................................................................................................ 25

2.6 SOLVE语法范例.................................................................................................................. 26

2.7如何将数据导出至EXCEL............................................................................................ 26

2.8以实例说明输出文件的基本结构............................................................................... 27

2.9 GAMS的其它语法及注意事项.................................................................................... 37

第三章GAMS绘图功能........................................................................................................ 48

3. 在GAMS接口中绘图.............................................................................................................. 48

3.0 GAMS绘图窗口介绍(CHART WINDOW).......................................................... 48

3.1 GAMS图表编辑窗口(CHARTEDITOR).............................................................. 49

3.2 GAMS绘图步骤.................................................................................................................... 52

3.3折线图(LINE CHART)...................................................................................................... 52

3.4直方图(BAR CHART)........................................................................................................ 56

3.5扇形图(PIE CHART)........................................................................................................... 57

3.6股票走势图(MULTI LINE CHART FOR STOCKDATA).......................... 58

3.7 3D曲面图(3DSURFACE CHART).......................................................................... 59

3.8将资料导出至EXCEL............................................................................. 60

第四章GAMS基本范例........................................................................................................ 62

4. 基本范例............................................................................................................................................ 62

4.0范例一：效用最大化问题............................................................................................... 62

4.1范例二：比较静态分析问题.......................................................................................... 63

4.2范例三：CGE模型.............................................................................................................. 66

4.3范例四：家计单位优化模型.......................................................................................... 70

4.4范例五：理想化成长模型............................................................................................... 73

4.5范例六：利用GAMS绘图............................................................................................. 76