请教大神，怎么编写函数，感谢！

kaiden · 发表于 2020-6-24 10:29

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x

目的是解约束优化问题，

函数是简单的x1+x2+x3+x4+...+x15

一共15个变量，每个变量有100个取值。

请教大神，怎么编写函数，感谢！

我现在写出来的程序
function [ f ] = fitness(  )
x1=[57.66863805 82.41636316 83.77748804 85.21347479 86.72844081 88.32672996 88.44773009 90.01292502 91.7918608 103.9477301 108.5252131 109.9611999 111.3223248 111.4761659 112.8372908 113.0686381 113.0744551 114.2732775 114.43558 114.7606501 115.8715667 116.121775 116.5395859 117.3865327 117.5577618 117.9007108 119.0727278 119.3366975 120.6710169 120.8516636 122.4499527 124.1361478 129.6939386 131.9624801 134.3557913 136.0700499 136.8807347 137.5850159 137.8163632 139.0210027 139.177488 139.1833051 139.5445499 140.3821275 140.6134748 140.6192918 140.8695001 141.9804167 142.1284408 142.1342578 142.3054869 142.354875 142.6484359 143.4953827 143.6666117 143.72673 143.8204529 144.0844226 144.9313695 145.1815778 145.1939386 145.319768 145.412925 145.418742 145.4455475 145.5993887 146.6175645 146.7798669 146.9605135 147.1918608 147.1976778 147.4624801 148.2158537 148.3965003 148.5588027 148.8838729 149.7308197 149.8557913 149.9947894 150.2449978 151.5097555 151.6809845 152.3807347 153.1959505 154.7942397 155.0445499 157.854875 160.819768 163.9252131 165.1298526 165.3611999 166.7223248 166.7281418 166.8761659 168.2372908 168.2431078 168.4143369 168.4744551 169.6732775 169.6790946
];
x2=[90.20402182 106.806062 131.4502303 133.7187718 136.1120831 138.6370264 141.3008417 142.7040218 144.1111668 147.0760597 148.4647326 150.7559595 151.106062 153.1732039 155.7233967 158.4138501 161.2522784 164.2468203 174.9649803 177.3582916 179.626833 179.8832349 182.1517764 182.5470502 183.9502303 184.5450877 184.8155917 185.3573753 186.2187718 187.2089029 187.6259167 188.3222683 188.6120831 189.7338463 190.019228 190.5908097 191.1370264 192.4146301 192.5441714 192.7647326 192.984121 193.8008417 194.8318745 195.0559595 195.2079866 195.5090643 196.6111668 197.1231014 197.3820673 197.4732039 198.1728796 199.5760597 199.6732942 200.0233967 200.0725207 200.9832047 202.0905385 202.3637476 202.7138501 202.910949 204.7809919 205.2021759 205.5522784 205.9054909 207.3311847 207.6194203 208.1967178 208.5468203 210.1696131 210.6139622 212.8600665 213.164155 215.8546084 218.6930367 220.8730415 223.3979849 225.7912962 226.0618002 227.4649803 228.0598376 228.4551114 228.8721253 229.8582916 230.7236529 230.9800548 231.2654365 231.8370182 232.126833 232.3832349 233.2485963 233.533978 233.7903799 234.2303295 234.6517764 235.0470502 235.6419075 236.0589213 236.4541951 236.498871 236.7146301
];
x3=[90.7894524 98.2894524 132.0356609 134.3042024 136.6975136 138.4841786 139.222457 139.5356609 141.8042024 141.8862723 144.1975136 144.6965973 146.722457 147.6614903 149.3862723 152.1965973 155.1614903 175.5504109 177.9437221 180.2122636 180.4686655 182.737207 183.0504109 183.1324808 185.1305182 185.4010222 185.4437221 185.9428059 187.7122636 187.7943335 187.9686655 188.2113473 188.9076988 190.237207 190.3192769 190.6046586 190.6324808 191.1762403 192.6305182 192.9010222 193.1296019 193.4428059 193.5695515 195.2943335 195.7113473 195.7934172 196.0944949 196.1841786 196.4076988 197.8192769 198.1046586 198.6762403 198.7583102 200.3534914 200.6296019 201.0695515 201.5686353 203.2934172 203.5944949 203.7563036 206.2583102 207.3462705 209.0686353 211.1336855 215.1294084 219.344896 221.4584721 223.7922355 223.9834155 226.3767267 226.6472307 228.6452682 228.9584721 229.040542 229.4575558 231.3090835 231.4834155 231.5654854 231.8508671 232.4224488 233.8340268 233.8767267 234.1194086 234.1472307 234.3758105 234.8157601 236.1452682 236.2273381 236.540542 236.6443519 236.9575558 237.0396257 237.0843015 237.3407034 238.8090835 239.0376632 239.0654854 239.3081672 239.3508671 239.6092449
];
x4=[152.5457441 193.7919527 196.0604941 198.4538054 200.9787487 203.642564 206.4528891 209.4177821 237.3067026 239.7000139 241.9685554 242.2249573 244.4934987 244.8887725 246.88681 247.157314 247.6990976 249.5506252 249.9676391 250.6639906 252.0755686 252.3609503 252.932532 254.8858937 255.3258433 257.5497089 257.8507867 260.5146019 263.324927 283.2147639 285.7397072 288.1330185 288.4035225 290.40156 290.7968337 291.2138476 293.0653752 293.3217771 293.6071588 294.1787406 295.5903186 295.8757003 296.1321022 296.5720518 297.9836298 298.4006437 298.7959174 298.8405933 299.0969952 300.7939549 301.0644589 301.3655366 301.7608104 303.4577702 303.7588479 304.0293519 304.5711355 305.9827135 306.4226631 306.839677 308.9476065 309.2329882 311.7579316 314.4217469 331.6477685 334.3115837 336.8365271 337.1219088 339.2298383 339.6468522 340.0868018 341.4983798 342.0401634 342.3106674 342.6117451 344.3087049 344.7039787 345.0050564 345.2755604 346.9725201 347.228922 347.2735979 347.6688717 348.0858855 349.4974635 349.9374131 350.193815 350.4791967 351.8907748 352.4623565 352.7477382 353.0041401 354.8556677 355.2726816 355.6679554 357.6659928 357.9364968 360.3298081 362.8547514 382.7445883
];
x5=[94.88746646 101.5942185 136.133675 137.3874665 138.4022164 140.3656545 140.7955277 142.4980835 143.3204711 144.747796 145.9842863 147.1212428 148.7946114 149.1942185 149.6252291 151.7595044 152.2669347 155.0539341 178.633675 179.648425 180.9022164 181.2695195 182.0417362 183.2955277 183.519232 184.3102777 184.5666796 185.651661 185.8204711 185.8926788 186.835221 187.2304948 187.9656545 188.0251078 188.3966651 188.4842863 189.2285323 189.4990363 190.0408199 190.0980835 190.2748204 190.5290941 191.0383707 191.2946114 191.8923475 192.3093614 192.347796 192.7788067 193.0057129 193.1707997 193.8253701 194.2595044 194.4172909 194.7026726 194.7212428 195.1522535 195.2742544 195.4205123 195.9577991 197.2252291 197.227616 197.6675656 197.793959 198.2075117 199.8669347 199.8914313 200.192509 200.2979454 200.5809584 202.6539341 202.8563242 203.0849448 205.6666493 205.7266504 222.148425 224.423097 224.5417362 225.5564862 226.7965438 226.8102777 227.0666796 228.0814296 228.8695195 229.0462564 229.3005301 229.335221 229.7304948 230.4747408 230.7452448 231.119232 231.1786853 231.5502427 231.7285323 231.9422357 231.9990363 232.5408199 232.7432823 233.1385561 233.251661 233.4926788
];
x6=[58.0198964 82.76762151 84.12874639 85.56473314 87.07969916 88.67798831 89.03316067 90.36418336 92.14311915 104.5331607 108.8764715 110.3124582 111.6735831 111.8274243 113.1885491 113.4198964 113.4257134 114.6245359 114.7868383 115.1119085 116.222825 116.4730334 116.8908443 117.7377911 117.9090201 118.2519691 119.4239861 119.6879559 121.0222753 121.2029219 122.8012111 124.4874061 130.2793692 132.5479106 134.9412219 136.4213082 137.4661653 137.9362743 138.1676215 139.372261 139.5287464 139.5345634 140.1299805 140.7333859 140.9647331 140.9705502 141.2207585 142.331675 142.4796992 142.4855162 142.6567452 142.9403056 142.9996942 143.8466411 144.0178701 144.0779883 144.1717112 144.435681 145.2826278 145.5328361 145.7641834 145.7700004 145.7793692 145.7968059 145.9051986 145.950647 146.9688229 147.1311253 147.3117719 147.5431191 147.5489362 148.0479106 148.567112 148.7477586 148.910061 149.2351312 150.082078 150.3460478 150.4412219 150.5962561 151.8610138 152.0322429 152.9661653 153.5472089 155.145498 155.6299805 158.4403056 161.4051986 164.2764715 165.481111 165.7124582 167.0735831 167.0794001 167.2274243 168.5885491 168.5943662 168.7655952 168.8257134 170.0245359 170.0303529
];
x7=[92.54574414 92.64574414 93.54574414 133.7919527 133.8919527 134.7919527 136.0604941 136.1604941 137.0604941 138.4538054 138.5538054 139.4538054 140.9787487 141.0787487 141.9787487 143.642564 143.742564 144.642564 146.4528891 146.5528891 147.4528891 149.4177821 149.5177821 150.4177821 152.5457441 177.3067026 177.4067026 178.3067026 179.7000139 179.8000139 180.7000139 181.9685554 182.0685554 182.2249573 182.3249573 182.9685554 183.2249573 184.4934987 184.5934987 184.8887725 184.9887725 185.4934987 185.8887725 186.88681 186.98681 187.157314 187.257314 187.6990976 187.7990976 187.88681 188.157314 188.6990976 189.5506252 189.6506252 189.9676391 190.0676391 190.5506252 190.6639906 190.7639906 190.9676391 191.6639906 192.0755686 192.1755686 192.3609503 192.4609503 192.932532 193.032532 193.0755686 193.3609503 193.7919527 193.932532 194.8858937 194.9858937 195.3258433 195.4258433 195.8858937 196.0604941 196.3258433 197.5497089 197.6497089 197.8507867 197.9507867 198.4538054 198.5497089 198.8507867 200.5146019 200.6146019 200.9787487 201.5146019 203.324927 203.424927 203.642564 204.324927 206.4528891 209.4177821 223.2147639 223.3147639 224.2147639 225.7397072 225.8397072
];
x8=[90.7894524 106.6815579 132.0356609 134.3042024 136.6975136 139.222457 141.8862723 144.6965973 145.2894524 147.5153043 147.6614903 149.7611604 149.8815579 152.1305385 154.6302324 157.2674095 160.0496314 162.9848754 175.5504109 177.9437221 180.2122636 180.4686655 182.737207 183.1324808 185.1305182 185.4010222 185.9428059 186.5356609 187.7943335 188.2113473 188.8042024 188.9076988 190.3192769 190.5949068 190.6046586 190.7153043 191.1762403 191.1975136 192.9611604 192.9642849 193.1296019 193.5695515 193.722457 195.210141 195.3305385 195.4639789 195.7934172 196.0944949 196.3862723 197.7098349 197.8302324 198.101156 198.7583102 199.1965973 200.079213 200.347012 200.4674095 200.8833778 201.5686353 202.1614903 202.7163902 203.1292339 203.2496314 203.8186218 205.2160841 205.498612 206.0644779 206.1848754 207.9983059 208.433856 210.635483 210.93355 213.5707271 216.3529489 221.4584721 223.9834155 226.3767267 226.6472307 228.6452682 229.040542 229.4575558 230.0504109 231.3090835 231.5654854 231.8508671 232.4224488 232.4437221 233.7949068 233.8340268 234.1194086 234.3758105 234.7122636 234.8157601 234.9686655 236.0438874 236.1642849 236.2273381 236.6443519 237.0396257 237.0843015
];
x9=[58.72241309 83.4701382 84.83126308 86.26724983 87.78221585 89.38050501 90.20402182 91.06670006 92.84563584 105.7040218 109.5789882 111.0149749 112.3760998 112.529941 113.8910658 114.1224131 114.1282301 115.3270526 115.489355 115.8144252 116.9253417 117.17555 117.593361 118.4403078 118.6115368 118.9544858 120.1265028 120.3904726 121.724792 121.9054386 123.5037278 125.1899228 131.4502303 133.7187718 136.1120831 137.1238249 138.6370264 138.638791 138.8701382 140.0747777 140.2312631 140.2370801 141.3008417 141.4359026 141.6672498 141.6730669 141.9232752 143.0341917 143.1822159 143.1880329 143.3592619 143.7022109 144.1111668 144.5491578 144.7203868 144.780505 144.8742279 145.1381977 145.9851445 146.2353528 146.4667001 146.4725171 146.4993226 146.6531637 146.9502303 147.0760597 147.6713396 147.833642 148.0142886 148.2456358 148.2514529 149.2187718 149.2696287 149.4502753 149.6125777 149.9376479 150.7845947 151.0485645 151.2987728 151.6120831 152.5635305 152.7347595 154.1370264 154.2497256 155.8480147 156.8008417 159.6111668 162.5760597 164.9789882 166.1836277 166.4149749 167.7760998 167.7819168 167.929941 169.2910658 169.2968829 169.4681119 169.5282301 170.7270526 170.7328696
];
x10=[90.7894524 98.2894524 132.0356609 134.3042024 136.6975136 138.4841786 139.222457 139.5356609 141.8042024 141.8862723 144.1975136 144.6965973 146.722457 147.6614903 149.3862723 152.1965973 155.1614903 175.5504109 177.9437221 180.2122636 180.4686655 182.737207 183.0504109 183.1324808 185.1305182 185.4010222 185.4437221 185.9428059 187.7122636 187.7943335 187.9686655 188.2113473 188.9076988 190.237207 190.3192769 190.6046586 190.6324808 191.1762403 192.6305182 192.9010222 193.1296019 193.4428059 193.5695515 195.2943335 195.7113473 195.7934172 196.0944949 196.1841786 196.4076988 197.8192769 198.1046586 198.6762403 198.7583102 200.3534914 200.6296019 201.0695515 201.5686353 203.2934172 203.5944949 203.7563036 206.2583102 207.3462705 209.0686353 211.1336855 215.1294084 219.344896 221.4584721 223.7922355 223.9834155 226.3767267 226.6472307 228.6452682 228.9584721 229.040542 229.4575558 231.3090835 231.4834155 231.5654854 231.8508671 232.4224488 233.8340268 233.8767267 234.1194086 234.1472307 234.3758105 234.8157601 236.1452682 236.2273381 236.540542 236.6443519 236.9575558 237.0396257 237.0843015 237.3407034 238.8090835 239.0376632 239.0654854 239.3081672 239.3508671 239.6092449
88.44773009 95.54086628 129.6939386 130.9477301 131.9624801 134.3123023 134.3557913 136.4447313 136.8807347 138.6944438 139.5445499 141.0678906 142.354875 143.1408663 143.5718769 145.319768 146.2135825 149.0005819 172.1939386 173.2086886 174.4624801 175.2161673 175.6019998 176.8557913 177.4658798 177.8705413 178.1269432 179.3807347 179.5983088 179.8393266 180.3954847 180.7907585 181.9123023 181.9717556 182.0445499 182.3433129 182.7887959 183.0592999 183.6010835 184.0447313 184.2214682 184.4757419 184.854875 184.9850185 185.4526112 185.869625 186.2944438 186.5659765 186.7254545 187.1174475 187.7720179 187.819768 187.9775545 188.2629363 188.6678906 188.834518 189.0989013 189.3671601 189.9044469 190.7878796 191.1718769 191.2278292 191.7406068 192.1541595 193.4516949 193.7527726 193.8135825 194.2445932 194.5276062 196.4165879 196.6005819 197.0315926 199.2269129 199.6732982 215.7086886 218.1019998 218.3697448 219.1167498 220.3705413 220.6269432 220.7431916 221.6416932 222.8161673 222.8954847 222.9929042 223.2471779 223.2907585 224.0350044 224.3055084 225.0658798 225.1253331 225.2887959 225.4968905 225.5592999 225.8888835 226.1010835 226.3035459 226.6988197 227.1158335 227.1983088
];
x11=[88.44773009 95.54086628 129.6939386 130.9477301 131.9624801 134.3123023 134.3557913 136.4447313 136.8807347 138.6944438 139.5445499 141.0678906 142.354875 143.1408663 143.5718769 145.319768 146.2135825 149.0005819 172.1939386 173.2086886 174.4624801 175.2161673 175.6019998 176.8557913 177.4658798 177.8705413 178.1269432 179.3807347 179.5983088 179.8393266 180.3954847 180.7907585 181.9123023 181.9717556 182.0445499 182.3433129 182.7887959 183.0592999 183.6010835 184.0447313 184.2214682 184.4757419 184.854875 184.9850185 185.4526112 185.869625 186.2944438 186.5659765 186.7254545 187.1174475 187.7720179 187.819768 187.9775545 188.2629363 188.6678906 188.834518 189.0989013 189.3671601 189.9044469 190.7878796 191.1718769 191.2278292 191.7406068 192.1541595 193.4516949 193.7527726 193.8135825 194.2445932 194.5276062 196.4165879 196.6005819 197.0315926 199.2269129 199.6732982 215.7086886 218.1019998 218.3697448 219.1167498 220.3705413 220.6269432 220.7431916 221.6416932 222.8161673 222.8954847 222.9929042 223.2471779 223.2907585 224.0350044 224.3055084 225.0658798 225.1253331 225.2887959 225.4968905 225.5592999 225.8888835 226.1010835 226.3035459 226.6988197 227.1158335 227.1983088
];
x12=[92.54574414 93.34574414 94.54574414 133.7919527 134.5919527 135.7919527 136.0604941 136.8604941 138.0604941 138.4538054 139.2538054 140.4538054 140.9787487 141.7787487 142.9787487 143.642564 144.442564 145.642564 146.4528891 147.2528891 148.4528891 149.4177821 150.2177821 151.4177821 152.5457441 177.3067026 178.1067026 179.3067026 179.7000139 180.5000139 181.7000139 181.9685554 182.2249573 182.7685554 183.0249573 183.9685554 184.2249573 184.4934987 184.8887725 185.2934987 185.6887725 186.4934987 186.88681 186.8887725 187.157314 187.68681 187.6990976 187.957314 188.4990976 188.88681 189.157314 189.5506252 189.6990976 189.9676391 190.3506252 190.6639906 190.7676391 191.4639906 191.5506252 191.9676391 192.0755686 192.3609503 192.6639906 192.8755686 192.932532 193.1609503 193.732532 193.7919527 194.0755686 194.3609503 194.8858937 194.932532 195.3258433 195.6858937 196.0604941 196.1258433 196.8858937 197.3258433 197.5497089 197.8507867 198.3497089 198.4538054 198.6507867 199.5497089 199.8507867 200.5146019 200.9787487 201.3146019 202.5146019 203.324927 203.642564 204.124927 205.324927 206.4528891 209.4177821 223.2147639 224.0147639 225.2147639 225.7397072 226.5397072
];
x13=[91.37488298 107.2611342 132.6210915 134.889633 137.2829442 139.8078876 142.4717028 145.2820279 145.874883 148.0948806 148.2469209 150.3407366 150.4611342 152.7101148 155.2098087 157.8469858 160.6292076 163.5644517 176.1358415 178.5291527 180.7976942 181.0540961 183.3226376 183.7179113 185.7159488 185.9864528 186.5282364 187.1210915 188.3797641 188.7967779 189.389633 189.4931294 190.9047074 191.1744831 191.1900892 191.2948806 191.7616709 191.7829442 193.5407366 193.5438612 193.7150325 194.1549821 194.3078876 195.7897173 195.9101148 196.0435551 196.3788478 196.6799255 196.9717028 198.2894112 198.4098087 198.6807322 199.3437407 199.7820279 200.6587893 200.9265883 201.0469858 201.4629541 202.1540658 202.7469209 203.2959664 203.7088101 203.8292076 204.3981981 205.7956604 206.0781883 206.6440542 206.7644517 208.5778822 209.0134323 211.2150593 211.5131262 214.1503033 216.9325252 222.0439027 224.5688461 226.9621573 227.2326613 229.2306988 229.6259726 230.0429864 230.6358415 231.894514 232.1509159 232.4362977 233.0078794 233.0291527 234.3744831 234.4194574 234.7048391 234.961241 235.2976942 235.4011906 235.5540961 236.6234637 236.7438612 236.8127687 237.2297825 237.6250563 237.6697321
];
x14=[91.37488298 107.9886318 132.6210915 134.889633 137.2829442 139.8078876 142.4717028 143.874883 145.2820279 148.2469209 149.6473024 151.9385293 152.2886318 154.3557737 156.9059665 159.5964199 162.4348482 165.4293901 176.1358415 178.5291527 180.7976942 181.0540961 183.3226376 183.7179113 185.1210915 185.7159488 185.9864528 186.5282364 187.389633 188.3797641 188.7967779 189.4931294 189.7829442 190.9047074 191.1900892 191.7616709 192.3078876 193.5971999 193.7150325 193.9473024 194.1549821 194.9717028 196.0144443 196.2385293 196.3788478 196.6799255 197.7820279 198.3056711 198.5646371 198.6557737 199.3437407 200.7469209 200.8558639 201.2059665 201.2550905 202.1540658 203.2731083 203.5463173 203.8964199 204.0935188 205.9635617 206.3847457 206.7348482 207.0880607 208.5137545 208.80199 209.3792876 209.7293901 211.3521828 211.7965319 214.0426363 214.3467248 217.0371782 219.8756065 222.0439027 224.5688461 226.9621573 227.2326613 228.6358415 229.2306988 229.6259726 230.0429864 231.0291527 231.894514 232.1509159 232.4362977 233.0078794 233.2976942 233.5540961 234.4194574 234.7048391 234.961241 235.4011906 235.8226376 236.2179113 236.8127687 237.2297825 237.6250563 237.6697321 237.8971999
];
x15=[58.72241309 83.4701382 84.83126308 86.26724983 87.78221585 89.38050501 90.20402182 91.06670006 92.84563584 105.7040218 109.5789882 111.0149749 112.3760998 112.529941 113.8910658 114.1224131 114.1282301 115.3270526 115.489355 115.8144252 116.9253417 117.17555 117.593361 118.4403078 118.6115368 118.9544858 120.1265028 120.3904726 121.724792 121.9054386 123.5037278 125.1899228 131.4502303 133.7187718 136.1120831 137.1238249 138.6370264 138.638791 138.8701382 140.0747777 140.2312631 140.2370801 141.3008417 141.4359026 141.6672498 141.6730669 141.9232752 143.0341917 143.1822159 143.1880329 143.3592619 143.7022109 144.1111668 144.5491578 144.7203868 144.780505 144.8742279 145.1381977 145.9851445 146.2353528 146.4667001 146.4725171 146.4993226 146.6531637 146.9502303 147.0760597 147.6713396 147.833642 148.0142886 148.2456358 148.2514529 149.2187718 149.2696287 149.4502753 149.6125777 149.9376479 150.7845947 151.0485645 151.2987728 151.6120831 152.5635305 152.7347595 154.1370264 154.2497256 155.8480147 156.8008417 159.6111668 162.5760597 164.9789882 166.1836277 166.4149749 167.7760998 167.7819168 167.929941 169.2910658 169.2968829 169.4681119 169.5282301 170.7270526 170.7328696
];
for a=1:100
z(1)=x1(a);
for b=1:100
      z(2)=x2(b);
      for c=1:100
         z(3)=x3(c);
         for d=1:100
            z(4)=x4(d);
            for e=1:100
                  z(5)=x5(e);
                  for f=1:100
                     z(6)=x6(f);
                     for g=1:100
                        z(7)=x7(g);
                        for h=1:100
                              z(8)=x8(h);
                              for i=1:100
                                 z(9)=x9(i);
                                 for j=1:100
                                    z(10)=x10(j);
                                    for k=1:100
                                          z(11)=x11(k);
                                          for l=1:100
                                             z(12)=x12(l);
                                             for m=1:100
                                                z(13)=x13(1);
                                                for n=1:100
                                                      z(14)=x14(n);
                                                      for o=1:100
                                                         z(15)=x15(o);
                                                      end
                                                end
                                             end
                                          end
                                    end
                                 end
                              end
                        end
                     end
                  end
            end
         end
      end
end
   f=(z(1)+z(2)+z(3)+z(4)+z(5)+z(6)+z(7)+z(8)+z(9)+z(10)+z(11)+z(12)+z(13)+z(14)+z(15));
end
end
想用遗传算法工具箱GUI查找结果也总是提示输入的参数不足，请教大神，这个应该怎么改？非常感谢！

Colbie · 发表于 2020-6-24 11:34

先打开帮助文档好好学一下函数的写法
function [ f ] = fitness( )

像你这样fitness( )括号里面是空的，表示的是“输入为空”的函数，显然会因为优化算法产生的各种随机数无法被当做输入代入函数进行运算而报错

然后，你写这么多嵌套循环干什么？这光一次运行该函数，就至少要做100^15次运算，纯属烧电脑
如果是x1到x15每个变量都有固定的100个取值，最后目标函数是x1+x2+x3+x4+...+x15的话，直接用让输入转化成索引值就是了
令输入In是15个[0,1]区间上的随机数构成的向量
function [ f ] = fitness( In )
% x1到x15每个变量固定取值照抄
idx = round(99*In)+1;
f = x1( idx(1) ) + x2( idx(2) ) + x3( idx(3) ) + ... + x15( idx(15) ); % 自己补全15个

Ferrya · 发表于 2020-6-24 18:39

需要计算吗？
优化 x1+x2+x3+x4+...+x15
x1、x2、。。。x15都各自取最小值就可以了。

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请教大神，怎么编写函数，感谢！

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