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:
0 D8 r% o$ ?. ~: ]( c, h+ c
Would 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
0 m( S- i8 [) F5 f' H%出现下面的选项：
Select a compiler:
( g" i5 Y( J. q[1] Borland C++ Compiler (free command line tools) 5.5
" L' G# S5 Y- X[2] Borland C++Builder 6.0
[3] Borland C++Builder 5.0
' N( a- {% U; m2 {" J4 T* g2 U[4] Compaq Visual Fortran 6.1
( I4 E5 \! C. X) |' y$ u& X6 e[5] Compaq Visual Fortran 6.6
, h. W% v& m  S, b# z. i[6] Intel C++ 9.1 (with Microsoft Visual C++ 2005 linker)
6 \3 C0 B; g9 n: z3 w[7] Intel Visual Fortran 9.1 (with Microsoft Visual C++ 2005 linker)
/ @2 P; O" o3 P3 l: [& Y: u6 g[8] Intel Visual Fortran 9.0 (with Microsoft Visual C++ 2005 linker)
; k3 F- C- t2 L  g9 ^4 K2 E[9] Intel Visual Fortran 9.0 (with Microsoft Visual C++ .NET 2003 linker)
[10] Lcc-win32 C 2.4.1
& R6 l+ d; p# w5 ^5 G[11] Microsoft Visual C++ 6.0
: w8 P. I4 I$ e: A; X[12] Microsoft Visual C++ .NET 2003
* u7 G; {' }# l[13] Microsoft Visual C++ 2005
# i. p- m  D5 j. Y3 V# l" U[14] Microsoft Visual C++ 2005 Express Edition
  N2 W- d3 y- ^[15] Open WATCOM C++ 1.3
+ V5 Y4 G% ?' W9 {3 f  B
) U* K1 i, o8 x; Z7 {0 X/ v, t, J[0] None
Compiler: 13%这次选择13，或许你也可以用其他的
, g- o, B  h/ MThe 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.  

- V) a% w4 f/ PUse 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
. t1 C- y" k/ Q" i4 sPlease 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
% 下面就是确认了
3 d. A. s+ A7 cPlease verify your choices:

6 L6 n: T& |# }/ Z* ?" ^6 K3 N, w" CCompiler: Microsoft Visual C++ 2005  
$ ]: M7 z( M4 u6 D3 |4 O& F7 ?! p6 zLocation: D:\Program Files\Microsoft Visual Studio 8
+ P. q; ^# l& l; S" {1 H* m
Are these correct?([y]/n): y
***************************************************************************
5 q8 m& V5 b, ?# ~$ P6 J- W2 {  Warning: MEX-files generated using Microsoft Visual C++ 2005 require
5 t: R: G* B" Z. i4 M           that Microsoft Visual Studio 2005 run-time libraries be  
* R6 K* A# z, i8 I/ W6 i1 \5 p           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.
           You can find more information about this at:

***************************************************************************
# X) t9 g) o& V* o: l6 `
7 g+ N' W: {3 G1 J/ pTrying to update options file: C:\Documents and Settings\Administrator\Application Data\MathWorks\MATLAB\R2007a\mexopts.bat
3 H) `) W; x: \& Z  q7 \( A% GFrom template:              D:\PROGRA~2\MATLAB\R2007a\bin\win32\mexopts\msvc80opts.bat

Done . . . %   ok，done！
! L( {! C) H9 g- Z. N1 W9 `( U>> make
>>
%至此彻底完成，
%以下是测试
>>load heart_scale.mat
3 B! O0 w, ], J2 v>>model = svmtrain(heart_scale_label, heart_scale_inst, '-c 1 -g 0.07');
  `0 o2 `. i) i, ], d>> [predict_label, accuracy, dec_values] = svmpredict(heart_scale_label, heart_scale_inst, model); %
' k0 n7 f& O. k" @# J' m& T# uAccuracy = 86.6667% (234/270) (classification)%  done
! B3 m* z4 o$ B

tend

嗯嗯，找到了，就是这篇，谢谢！！！