是不是在找Matlab的libsvm的安装过程呢？这篇就是哦！

piday123

以下是步骤：
>> mex -setup % 这是必须的
Please choose your compiler for building external inteRFace (MEX) files:

. m7 p0 |% i. NWould you like mex to locate installed compilers [y]/n? n %这次是选择编译器，输入n，因为你的是自定义的
8 K% E  N- b, G! w- R7 B0 U% H1 x1 t' t%出现下面的选项：
" T4 e9 ^5 V+ e% @5 \Select a compiler:
[1] Borland C++ Compiler (free command line tools) 5.5
7 F2 B+ S7 t0 w3 i' H& \/ n7 P( ?[2] Borland C++Builder 6.0
[3] Borland C++Builder 5.0
[4] Compaq Visual Fortran 6.1
4 Q% K/ D- N6 b8 e[5] Compaq Visual Fortran 6.6
[6] Intel C++ 9.1 (with Microsoft Visual C++ 2005 linker)
[7] Intel Visual Fortran 9.1 (with Microsoft Visual C++ 2005 linker)
9 q$ F- e7 `& V  w2 Q[8] Intel Visual Fortran 9.0 (with Microsoft Visual C++ 2005 linker)
7 B$ \; l2 o8 p4 R* h  `9 q$ v[9] Intel Visual Fortran 9.0 (with Microsoft Visual C++ .NET 2003 linker)
[10] Lcc-win32 C 2.4.1
[11] Microsoft Visual C++ 6.0
$ k- Y, Q* r: W( ][12] Microsoft Visual C++ .NET 2003
) N8 W4 p6 M5 ]: J( ?5 ?& y[13] Microsoft Visual C++ 2005
5 P* r/ a3 g$ O% x% x" W  O/ A[14] Microsoft Visual C++ 2005 Express Edition
8 e7 @0 j, B# p) i$ A0 S4 M[15] Open WATCOM C++ 1.3
2 p, i* L# D$ T7 T* h
$ H2 g+ K6 \9 a# }; T[0] None
; |. O& v- P: tCompiler: 13%这次选择13，或许你也可以用其他的
The default location for Microsoft Visual C++ 2005 compilers is C:\Program Files\Microsoft Visual Studio 8,
but that directory does not exist on this machine.  
9 Y# c4 D+ B4 P- r3 L, G
Use C:\Program Files\Microsoft Visual Studio 8 anyway [y]/n? n %这次它说要使用默认的路径  继续选择n
7 c9 P( @) r  |Please enter the location of your compiler: [C:\Program Files\Microsoft Visual Studio 8] %它的意思是让你输入编译器的位置，输入：D:\Program Files\Microsoft Visual Studio 8
) t3 x# E0 d, K+ W% 下面就是确认了
5 ?$ b" E* r( d4 D7 b' W  e& k! HPlease verify your choices:

Compiler: Microsoft Visual C++ 2005  
Location: D:\Program Files\Microsoft Visual Studio 8

Are these correct?([y]/n): y
) A' _$ i8 Y7 u; F***************************************************************************
7 ]( t! K- S7 G0 R4 `" q% b  Warning: MEX-files generated using Microsoft Visual C++ 2005 require
           that Microsoft Visual Studio 2005 run-time libraries be  
           available on the computer they are run on.
           If you plan to redistribute your MEX-files to other MATLAB
           users, be sure that they have the run-time libraries.
& _1 m2 F' f7 {& U( L/ q           You can find more information about this at:
8 v9 B* c7 ^  P% H
***************************************************************************

Trying to update options file: C:\Documents and Settings\Administrator\Application Data\MathWorks\MATLAB\R2007a\mexopts.bat
, h8 f  u" r. o  z* u+ i0 LFrom template:              D:\PROGRA~2\MATLAB\R2007a\bin\win32\mexopts\msvc80opts.bat
- _- h0 Z" Z. [+ }* e. U: H) b4 D
7 u: v9 H+ S5 Z$ w2 g6 xDone . . . %   ok，done！
>> make
# S( }! V3 J+ Y1 H>>
%至此彻底完成，
%以下是测试
7 E  \- [* _; x5 m9 F; p$ G>>load heart_scale.mat
, k" U' P6 [) |; _/ g>>model = svmtrain(heart_scale_label, heart_scale_inst, '-c 1 -g 0.07');
6 G' W3 ^' L) q  {9 q: J>> [predict_label, accuracy, dec_values] = svmpredict(heart_scale_label, heart_scale_inst, model); %
2 [+ d- x3 Z6 b# C4 \/ NAccuracy = 86.6667% (234/270) (classification)%  done

tend

嗯嗯，找到了，就是这篇，谢谢！！！