libsvm内部规定了标准格式：
1 1:203 2:197 3:190 4:188 5:2237 2 1:204 2:196 3:190 4:186 5:2228 3 1:203 2:196 3:190 4:186 5:2242 4 1:204 2:197 3:191 4:188 5:2265
我现在保存的数据时：
15 292.076 368.506 0 9878.14 6384.54 1 2552.04 1975.08 2 7068.21 3751.98 3 38925.4 28155.5 5 6546.16 6190.8 8 20565.1 19577.6 153 719.419 445.856 221 1263.61 1319.79 257 13667.9 11287 324 289.799 198.903 326 3176.5 1043.68 406 8271.4 5257.4
还有
15 5.0497 0.00673186 0.153175 587.357 4.83739 0.0083912 0.108304 1303.71 4.96099 0.00723208 0.0982569 857.179 4.85429 0.00810185 0.137245 730.417 0 8.39929 0.000303776 0.144082 1194.55 8.47568 0.000265841 0.122669 1759.04 8.41226 0.000306339 0.14458 943.461 8.42323 0.000293374 0.135613 1132.5 1 7.24972 0.00074159 0.0940804 1843.64 7.26281 0.000721253 0.0842109 2544.54 7.26989 0.000725372 0.0939313 1318.19 7.2393 0.000747291 0.0831198 1594.29 2 7.06406 0.00145372 0.230782 328.646 7.19887 0.00113057 0.195705 418.147 7.1122 0.00129046 0.214636 319.442 7.16374 0.00118874 0.192897 396.367 3 7.51161 0.00138789 0.289538 423.817 7.68022 0.00103136 0.242301 644.431 7.54177 0.00131854 0.280213 470.175 7.64701 0.00107285 0.249446 464.878 5 6.53459 0.00201017 0.281113 71.4772 6.64599 0.00172152 0.249118 96.3955 6.54528 0.00197663 0.280032 58.3045 6.69313 0.00161695 0.249121 96.8596
因此需要进行转化，问题是在保存特征时就保存成指定格式，还是保存了自己的格式再转化成svm的格式呢？这是个问题呀！
现在实现了保存完特征，然后按照网上说的用那个svm.xls的宏转换成svm支持的excel格式，然后再复制进txt内，格式如下：
15 1:292.076 2:368.506 3:5.0497 4:.00673186 5:.153175 6:587.357 7:4.83739 8:.0083912 9:.108304 10:1303.71 11:4.96099 12:.00723208 13:.0982569 14:857.179 15:4.85429 16:.00810185 17:.137245 18:730.417 0 1:9878.14 2:6384.54 3:8.39929 4:.000303776 5:.144082 6:1194.55 7:8.47568 8:.000265841 9:.122669 10:1759.04 11:8.41226 12:.000306339 13:.14458 14:943.461 15:8.42323 16:.000293374 17:.135613 18:1132.5 1 1:2552.04 2:1975.08 3:7.24972 4:.00074159 5:.0940804 6:1843.64 7:7.26281 8:.000721253 9:.0842109 10:2544.54 11:7.26989 12:.000725372 13:.0939313 14:1318.19 15:7.2393 16:.000747291 17:.0831198 18:1594.29 2 1:7068.21 2:3751.98 3:7.06406 4:.00145372 5:.230782 6:328.646 7:7.19887 8:.00113057 9:.195705 10:418.147 11:7.1122 12:.00129046 13:.214636 14:319.442 15:7.16374 16:.00118874 17:.192897 18:396.367 3 1:38925.4 2:28155.5 3:7.51161 4:.00138789 5:.289538 6:423.817 7:7.68022 8:.00103136 9:.242301 10:644.431 11:7.54177 12:.00131854 13:.280213 14:470.175 15:7.64701 16:.00107285 17:.249446 18:464.878 5 1:6546.16 2:6190.8 3:6.53459 4:.00201017 5:.281113 6:71.4772 7:6.64599 8:.00172152 9:.249118 10:96.3955 11:6.54528 12:.00197663 13:.280032 14:58.3045 15:6.69313 16:.00161695 17:.249121 18:96.8596 8 1:20565.1 2:19577.6 3:6.18437 4:.00536722 5:.413925 6:94.8801 7:6.37937 8:.00384318 9:.341338 10:116.641 11:6.21197 12:.00500522 13:.40278 14:81.2353 15:6.36368 16:.0039838 17:.350601 18:130.951 153 1:719.419 2:445.856 3:6.42248 4:.00165039 5:.0992912 6:1350.89 7:6.36001 8:.00176376 9:.0870104 10:2017.64 11:6.415 12:.00167259 13:.100568 14:1353.23 15:6.38053 16:.00171507 17:.0816142 18:1794.12