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：
. @1 k* K: X( |* i# U0 l! a>> mex -setup % 这是必须的
Please choose your compiler for building external inteRFace (MEX) files:

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
# X% h+ V1 _7 a3 z6 g! M- ]; K%出现下面的选项：
1 h& G' R  N+ z$ `4 r1 Q7 uSelect a compiler:
[1] Borland C++ Compiler (free command line tools) 5.5
3 f8 e, `9 W7 W5 i# C3 g[2] Borland C++Builder 6.0
( U& S& {4 |& u! z7 ^9 T[3] Borland C++Builder 5.0
, I; M. ^( k' K4 B& E[4] Compaq Visual Fortran 6.1
+ u: ~2 l6 Y, B[5] Compaq Visual Fortran 6.6
9 U4 s/ G3 m" e8 S" d9 N[6] Intel C++ 9.1 (with Microsoft Visual C++ 2005 linker)
[7] Intel Visual Fortran 9.1 (with Microsoft Visual C++ 2005 linker)
[8] Intel Visual Fortran 9.0 (with Microsoft Visual C++ 2005 linker)
, n! U6 ]* y) ^& `: N! Q  G[9] Intel Visual Fortran 9.0 (with Microsoft Visual C++ .NET 2003 linker)
1 M+ }/ u% R4 h: K9 U1 Q4 P[10] Lcc-win32 C 2.4.1
[11] Microsoft Visual C++ 6.0
[12] Microsoft Visual C++ .NET 2003
[13] Microsoft Visual C++ 2005
[14] Microsoft Visual C++ 2005 Express Edition
[15] Open WATCOM C++ 1.3
! o) n8 [- s; l; s6 \
[0] None
Compiler: 13%这次选择13，或许你也可以用其他的
% }: B9 R% j( L9 UThe 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.  
, I+ V0 m8 U! ^6 c5 [
% J# \! v2 Q$ zUse 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
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
5 R3 l- G; M2 k( {6 d+ b  Z) B% 下面就是确认了
Please verify your choices:
" w! C/ K3 z# w1 w$ v* ^8 k( H5 V
Compiler: Microsoft Visual C++ 2005  
5 Z7 D/ Z+ d  {Location: D:\Program Files\Microsoft Visual Studio 8

* o7 x1 u4 n4 w1 Q/ I& |Are these correct?([y]/n): y
***************************************************************************
  Warning: MEX-files generated using Microsoft Visual C++ 2005 require
           that Microsoft Visual Studio 2005 run-time libraries be  
, a# D. W+ E/ U! h8 `! u" A           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:

***************************************************************************
6 r3 a, V$ T& v# c( T, I
Trying to update options file: C:\Documents and Settings\Administrator\Application Data\MathWorks\MATLAB\R2007a\mexopts.bat
From template:              D:\PROGRA~2\MATLAB\R2007a\bin\win32\mexopts\msvc80opts.bat
/ x7 M  |9 m. q0 Z
Done . . . %   ok，done！
6 _8 F0 Y9 X3 v( Z, L9 P7 K) z>> make
1 P. G5 \0 A" y4 T- @4 s>>
; A/ L5 |2 F% D* v( M( g6 n1 |3 r%至此彻底完成，
7 N  D$ n- m7 g: Q2 J+ }5 Y5 l. o, s%以下是测试
>>load heart_scale.mat
>>model = svmtrain(heart_scale_label, heart_scale_inst, '-c 1 -g 0.07');
: x! e/ y9 J8 ~, M- t. ^8 h>> [predict_label, accuracy, dec_values] = svmpredict(heart_scale_label, heart_scale_inst, model); %
Accuracy = 86.6667% (234/270) (classification)%  done
) z. [9 Z- @. L4 \4 I! B

tend

嗯嗯，找到了，就是这篇，谢谢！！！