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merrybee(½ð±Ò+4, ²©Ñ§EPI+1): лл£¬ËäÈ»ÎÒ»¹ÊDz»Ì«¶® 2011-06-07 08:11:57
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merrybee(½ð±Ò+5): ллÈÊÐÖ£¬µ«ÊÇÎÒûѧ¹ýmatlab,Äܲ»Äܸø¸ö¾ßÌåÊýÖµ£¨ÊµÊý¾Í¿ÉÒÔ£© 2011-06-07 08:14:33
matlab½âµÄ,²»È·¶¨¶Ô²»¶Ô
CODE:
>> syms X1 X2 X4
>> result = solve('1095.68+1030.89*X2-577.4*X4 - 741.67*X2*X4 - 655.44*X1 - 1739.67*X2^2 - 242.96*X4^2 = 0','1095.68*X1 +1030.89 -477.4*X4 -841.67*X1*X4 - 655.44*X1^2 - 1739.67*X2 - 242.96*X4^2 = 0','254.01*X1 +1030.89*X2+ 264.27 - 741.67*X2- 655.44*X1^2 - 1739.67*X2^2 - 242.96*X4 = 0','X1','X2','X4');
>> result.X1
ans =
0.93800775157225343240836780607767
-0.52089491936397802054843321728427
0.4577600733807979355804852554023
0.081269956362420107851596459240015
0.97233798224947409217052492778994 - 0.77624193893233636439709553490838*i
0.77624193893233636439709553490838*i + 0.97233798224947409217052492778994
- 5.2324502894329689932579338806595*i - 4.5056326826714141657084596640709
5.2324502894329689932579338806594*i - 4.5056326826714141657084596640709
>> result.X2
ans =
0.9086321337948837154175793435819
-0.45018251929113547493820209903586
0.18660632247305493446411292660996
0.062788438369950978660537146384669
0.44628184235114253595310722306707*i + 0.61598326390378735778339167402219
0.61598326390378735778339167402219 - 0.44628184235114253595310722306707*i
3.0362752279227273638780042872815*i - 3.0497236556555155450869391235751
- 3.0362752279227273638780042872814*i - 3.049723655655515545086939123575
>> result.X4
ans =
-5.1352469251203640144445043292946
-2.1758924932825026335026986737734
0.9737963531449314671166688535491801961529947603051226627768766842
1.201372842126541133976442395816469575899025908770455557611616143
0.621740341127371002437797318969123728916725371371523849607225248 - 0.14473717265458760264666146975118*i
0.1447371726545876026466614697511846576561565469967562378330815866*i + 0.6217403411273710024377973189691237289137804371219780850352083856
3.54955766334040785395213908938699783873323108222867607483246873*i + 11.2547171774118672311560345678184952300525091585481554908111529
11.25471717741186723115603456781849523420516484539431351838235365 - 3.549557663340407853952139089387*i
>>
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