data1.txt

fastica C++实现,很简单的,很容易看的

 5.5696255016e+001  4.0882880122e+001   3.9027605084e+001 
 5.4628617432e+001  4.0246766191e+001   3.8432043548e+001 
 5.3603393812e+001  3.9631944565e+001   3.7856491988e+001 
 5.2617615334e+001  3.9037004126e+001   3.7299607771e+001 
 5.1668598234e+001  3.8460668365e+001   3.6760176483e+001 
 5.0753910184e+001  3.7901779505e+001   3.6237096809e+001 
 4.9871341320e+001  3.7359284837e+001   3.5729367512e+001 
 4.9018879190e+001  3.6832224886e+001   3.5236076169e+001 
 4.8194687010e+001  3.6319723157e+001   3.4756389395e+001 
 4.7397084739e+001  3.5820977196e+001   3.4289544333e+001 
 4.6624532546e+001  3.5335250790e+001   3.3834841226e+001 
 4.5875616327e+001  3.4861867130e+001   3.3391636900e+001 
 4.5149034987e+001  3.4400202811e+001   3.2959339051e+001 
 4.4443589232e+001  3.3949682535e+001   3.2537401201e+001 
 4.3758171671e+001  3.3509774447e+001   3.2125318252e+001 
 4.3091758052e+001  3.3079985991e+001   3.1722622542e+001 
 4.2443399482e+001  3.2659860246e+001   3.1328880353e+001 
 4.1812215510e+001  3.2248972650e+001   3.0943688792e+001 
 4.1197387950e+001  3.1846928095e+001   3.0566673022e+001 
 4.0598155374e+001  3.1453358320e+001   3.0197483779e+001 
 4.0013808167e+001  3.1067919581e+001   2.9835795156e+001 
 3.9443684101e+001  3.0690290557e+001   2.9481302604e+001 
 3.8887164351e+001  3.0320170475e+001   2.9133721149e+001 
 3.8343669908e+001  2.9957277413e+001   2.8792783772e+001 
 3.7812658343e+001  2.9601346770e+001   2.8458239957e+001 
 3.7293620879e+001  2.9252129890e+001   2.8129854377e+001 
 3.6786079748e+001  2.8909392808e+001   2.7807405699e+001 
 3.6289585782e+001  2.8572915117e+001   2.7490685505e+001 
 3.5803716239e+001  2.8242488938e+001   2.7179497314e+001 
 3.5328072813e+001  2.7917917982e+001   2.6873655684e+001 
 3.4862279829e+001  2.7599016698e+001   2.6572985404e+001 
 3.4405982595e+001  2.7285609492e+001   2.6277320750e+001 
 3.3958845890e+001  2.6977530020e+001   2.5986504807e+001 
 3.3520552595e+001  2.6674620530e+001   2.5700388848e+001 
 3.3090802420e+001  2.6376731272e+001   2.5418831770e+001 
 3.2669310754e+001  2.6083719948e+001   2.5141699568e+001 
 3.2255807598e+001  2.5795451210e+001   2.4868864860e+001 
 3.1850036589e+001  2.5511796199e+001   2.4600206445e+001 
 3.1451754098e+001  2.5232632119e+001   2.4335608900e+001 
 3.1060728405e+001  2.4957841846e+001   2.4074962206e+001 
 3.0676738928e+001  2.4687313565e+001   2.3818161403e+001 
 3.0299575522e+001  2.4420940438e+001   2.3565106272e+001 
 2.9929037823e+001  2.4158620293e+001   2.3315701041e+001 
 2.9564934642e+001  2.3900255343e+001   2.3069854115e+001 
 2.9207083411e+001  2.3645751913e+001   2.2827477820e+001 
 2.8855309656e+001  2.3395020204e+001   2.2588488172e+001 
 2.8509446521e+001  2.3147974058e+001   2.2352804660e+001 
 2.8169334318e+001  2.2904530749e+001   2.2120350043e+001 
 2.7834820108e+001  2.2664610786e+001   2.1891050161e+001 
 2.7505757320e+001  2.2428137730e+001   2.1664833764e+001 
 2.7182005384e+001  2.2195038023e+001   2.1441632347e+001 
 2.6863429396e+001  2.1965240828e+001   2.1221380000e+001 
 2.6549899807e+001  2.1738677880e+001   2.1004013264e+001 
 2.6241292126e+001  2.1515283351e+001   2.0789471000e+001 
 2.5937486647e+001  2.1294993714e+001   2.0577694267e+001 
 2.5638368195e+001  2.1077747628e+001   2.0368626204e+001 
 2.5343825882e+001  2.0863485821e+001   2.0162211922e+001 
 2.5053752887e+001  2.0652150982e+001   1.9958398405e+001 
 2.4768046242e+001  2.0443687666e+001   1.9757134413e+001 
 2.4486606634e+001  2.0238042197e+001   1.9558370393e+001 
 2.4209338225e+001  2.0035162580e+001   1.9362058395e+001 
 2.3936148470e+001  1.9834998421e+001   1.9168151994e+001 
 2.3666947960e+001  1.9637500847e+001   1.8976606217e+001 
 2.3401650263e+001  1.9442622431e+001   1.8787377472e+001 
 2.3140171783e+001  1.9250317132e+001   1.8600423480e+001 
 2.2882431622e+001  1.9060540218e+001   1.8415703221e+001 
 2.2628351450e+001  1.8873248214e+001   1.8233176867e+001 
 2.2377855386e+001  1.8688398843e+001   1.8052805732e+001 
 2.2130869881e+001  1.8505950967e+001   1.7874552221e+001 
 2.1887323614e+001  1.8325864542e+001   1.7698379777e+001 
 2.1647147386e+001  1.8148100563e+001   1.7524252839e+001 
 2.1410274026e+001  1.7972621025e+001   1.7352136795e+001 
 2.1176638297e+001  1.7799388875e+001   1.7181997943e+001 
 2.0946176813e+001  1.7628367971e+001   1.7013803452e+001 
 2.0718827956e+001  1.7459523045e+001   1.6847521323e+001 
 2.0494531798e+001  1.7292819668e+001   1.6683120354e+001 
 2.0273230030e+001  1.7128224208e+001   1.6520570109e+001 
 2.0054865887e+001  1.6965703805e+001   1.6359840884e+001 
 1.9839384089e+001  1.6805226335e+001   1.6200903681e+001 
 1.9626730773e+001  1.6646760381e+001   1.6043730171e+001 
 1.9416853436e+001  1.6490275205e+001   1.5888292678e+001 
 1.9209700880e+001  1.6335740720e+001   1.5734564145e+001 
 1.9005223153e+001  1.6183127466e+001   1.5582518113e+001 
 1.8803371505e+001  1.6032406585e+001   1.5432128698e+001 
 1.8604098331e+001  1.5883549798e+001   1.5283370565e+001 
 1.8407357134e+001  1.5736529380e+001   1.5136218914e+001 
 1.8213102472e+001  1.5591318144e+001   1.4990649452e+001 
 1.8021289924e+001  1.5447889418e+001   1.4846638380e+001 
 1.7831876044e+001  1.5306217024e+001   1.4704162371e+001 
 1.7644818325e+001  1.5166275264e+001   1.4563198555e+001 
 1.7460075163e+001  1.5028038899e+001   1.4423724499e+001 
 1.7277605822e+001  1.4891483135e+001   1.4285718195e+001 
 1.7097370399e+001  1.4756583605e+001   1.4149158043e+001 
 1.6919329796e+001  1.4623316353e+001   1.4014022835e+001 
 1.6743445684e+001  1.4491657823e+001   1.3880291743e+001 
 1.6569680480e+001  1.4361584842e+001   1.3747944305e+001 
 1.6397997315e+001  1.4233074607e+001   1.3616960414e+001 
 1.6228360009e+001  1.4106104674e+001   1.3487320301e+001 
 1.6060733047e+001  1.3980652943e+001   1.3359004529e+001 
 1.5895081549e+001  1.3856697650e+001   1.3231993978e+001 
 1.5731371254e+001  1.3734217350e+001   1.3106269835e+001 
 1.5569568493e+001  1.3613190912e+001   1.2981813584e+001 
 1.5409640167e+001  1.3493597506e+001   1.2858606997e+001 
 1.5251553729e+001  1.3375416592e+001   1.2736632123e+001 
 1.5095277162e+001  1.3258627913e+001   1.2615871278e+001 
 1.4940778962e+001  1.3143211483e+001   1.2496307039e+001 
 1.4788028117e+001  1.3029147580e+001   1.2377922233e+001 
 1.4636994091e+001  1.2916416737e+001   1.2260699930e+001 
 1.4487646807e+001  1.2804999734e+001   1.2144623435e+001 
 1.4339956629e+001  1.2694877589e+001   1.2029676278e+001 
 1.4193894349e+001  1.2586031551e+001   1.1915842213e+001 
 1.4049431169e+001  1.2478443093e+001   1.1803105203e+001 
 1.3906538688e+001  1.2372093904e+001   1.1691449419e+001 
 1.3765188888e+001  1.2266965885e+001   1.1580859229e+001 
 1.3625354119e+001  1.2163041136e+001   1.1471319198e+001 
 1.3487007086e+001  1.2060301957e+001   1.1362814072e+001 
 1.3350120839e+001  1.1958730837e+001   1.1255328784e+001 
 1.3214668755e+001  1.1858310449e+001   1.1148848437e+001 
 1.3080624532e+001  1.1759023646e+001   1.1043358306e+001 
 1.2947962174e+001  1.1660853452e+001   1.0938843830e+001 
 1.2816655980e+001  1.1563783059e+001   1.0835290604e+001 
 1.2686680535e+001  1.1467795822e+001   1.0732684380e+001 
 1.2558010698e+001  1.1372875252e+001   1.0631011056e+001 
 1.2430621590e+001  1.1279005013e+001   1.0530256676e+001 
 1.2304488590e+001  1.1186168915e+001   1.0430407422e+001 
 1.2179587316e+001  1.1094350910e+001   1.0331449609e+001 
 1.2055893626e+001  1.1003535088e+001   1.0233369684e+001 
 1.1933383600e+001  1.0913705674e+001   1.0136154219e+001 
 1.1812033536e+001  1.0824847020e+001   1.0039789909e+001 
 1.1691819941e+001  1.0736943601e+001   9.9442635629e+000 
 1.1572719520e+001  1.0649980017e+001   9.8495621061e+000 
 1.1454709170e+001  1.0563940979e+001   9.7556725719e+000 
 1.1337765971e+001  1.0478811314e+001   9.6625820994e+000 
 1.1221867178e+001  1.0394575957e+001   9.5702779293e+000 
 1.1106990212e+001  1.0311219945e+001   9.4787474004e+000 
 1.0993112656e+001  1.0228728419e+001   9.3879779458e+000 
 1.0880212244e+001  1.0147086615e+001   9.2979570893e+000 
 1.0768266854e+001  1.0066279863e+001   9.2086724420e+000 
 1.0657254502e+001  9.9862935826e+000   9.1201116990e+000 
 1.0547153336e+001  9.9071132808e+000   9.0322626355e+000 
 1.0437941624e+001  9.8287245467e+000   8.9451131039e+000 
 1.0329597752e+001  9.7511130491e+000   8.8586510303e+000 
 1.0222100217e+001  9.6742645331e+000   8.7728644112e+000 
 1.0115427617e+001  9.5981648163e+000   8.6877413105e+000 
 1.0009558645e+001  9.5227997861e+000   8.6032698559e+000 
 9.9044720867e+000  9.4481553962e+000   8.5194382360e+000 
 9.8001468072e+000  9.3742176630e+000   8.4362346972e+000 
 9.6965617497e+000  9.3009726632e+000   8.3536475403e+000 
 9.5936959265e+000  9.2284065295e+000   8.2716651178e+000 
 9.4915284134e+000  9.1565054486e+000   8.1902758304e+000 
 9.4693933156e+000  9.1619216708e+000   8.1779722770e+000