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matlab复数矩阵求逆

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发表于 2011-5-17 16:28:52 | 显示全部楼层 |阅读模式 来自 陕西西安
原矩阵YY
YY =
  1.0e+007 *
  Columns 1 through 4
  0.08732075129000 + 0.00067873440222i -0.14639483214537 + 0.08117554859416i  0.15420002413247 - 0.42312066127409i -0.10190750582490 + 0.44462900916109i
-0.13844875621778 + 0.11758173030812i  0.31079584554769 - 0.19095413958860i -0.53495603007086 + 0.72496446258468i  0.36599560535706 - 0.84504376087650i
  0.08282697498304 - 0.16750691293154i -0.18154527368651 + 0.18591458427757i  0.49688383677708 - 0.29226722871376i -0.39363980134237 + 0.28248253067402i
-0.05485988652482 + 0.21846568735956i  0.19578544059086 - 0.59604552044086i -0.23081728497619 + 0.64063798725397i  0.19006431995106 - 0.17488839974329i
-0.03971849045670 - 0.18818836909461i -0.33354273934308 + 0.87195129101085i  0.35780672057708 - 1.52771642825901i -0.19993365011945 + 0.99185489066227i
  0.08673980499959 - 0.12937395547440i  0.14491228732892 - 0.20300237395825i -0.42230925790797 + 1.06542572447968i  0.31586254105839 - 0.93015564912601i
  0.04219296371414 + 0.06160415878305i  0.01680733981151 - 0.09570435874940i  0.25065164243901 - 0.14543339288135i -0.33219549150382 + 0.31048277640558i
-0.15601084580412 + 0.01696927567957i -0.21821096772812 + 0.28781589745637i  0.12486589097640 - 0.37416372684981i  0.28184652498491 - 0.11597082641046i
  0.09205374531513 + 0.14200265917844i  0.39955265986556 - 0.78333746851029i -0.26718195585598 + 0.77032792130132i -0.25382225934756 - 0.07246138288663i
-0.00209626129709 - 0.07223300820805i -0.18815976023759 + 0.44218653990933i  0.07085641391125 - 0.43865465764377i  0.12772971678950 + 0.10907081214105i
  Columns 5 through 8
  0.18166360282012 - 0.38331966210932i -0.55361617920768 + 0.00822060687774i  0.74888821295019 + 0.49073046544112i -0.34818035200249 - 0.21942640877392i
-0.54382348659837 + 0.85251845738067i  1.61242801622682 - 0.01679752865844i -1.87340568021839 - 1.27231654160302i  0.67970422638416 + 0.69714263229800i
  0.53437721303804 - 0.64190864996286i -1.55894809107237 + 0.14873340402177i  1.88153211569764 + 1.06497227980394i -0.71298315593725 - 0.77641345262355i
-0.39692753932063 + 0.19313835997522i  1.53171284901020 + 0.15969521320130i -1.92148540050216 - 0.46860069755474i  0.73743882830026 - 0.00588558044913i
  0.44710480245701 - 0.08372884884989i -1.93953339326854 - 1.16050541431967i  1.87674308355037 + 0.54103561479603i -0.45035638254059 + 0.94709291373622i
-0.34265155583966 + 0.14083369352162i  1.00012065734430 + 1.23391957809270i -0.71291760300803 - 0.64660237612936i  0.16957564795148 - 0.85871845776538i
  0.33296638796145 - 0.06262259185188i -0.69900892102209 - 0.75574732577678i  0.46171791544219 + 0.64362220237882i -0.15459732646506 + 0.18106543353965i
-0.45125691361101 - 0.14034394969570i  1.53488670331917 + 0.99176929599744i -1.32754993861976 - 0.68701177705726i  0.31228675644659 - 0.01177843662909i
  0.41088662325647 + 0.26569291944024i -1.41782975079916 - 0.82936109689576i  1.30485882860132 + 0.48793715714413i -0.35614300912651 + 0.04834864963043i
-0.17233913415818 - 0.14025972784845i  0.48978810947132 + 0.22007326745684i -0.43838153389224 - 0.15376632721805i  0.12325476699327 - 0.00142729296236i
  Columns 9 through 10
  0.35155599318425 + 0.40333638463699i -0.37352971522356 - 0.40290401694235i
-0.47293876910517 - 1.02453855860597i  0.59464902871373 + 0.95744324676306i
  0.05231584503676 + 0.86774078739295i -0.20081966347889 - 0.67174734193712i
-0.13938933293452 - 0.30075478959930i  0.08847800636722 + 0.33423774001552i
  0.33207738423486 - 0.21075438211573i -0.05064733504195 - 0.18104126760265i
-0.19974004945233 + 0.55347310433403i -0.03959247243070 - 0.22579928801059i
  0.16001540600468 - 0.42574814325395i -0.07854991642202 + 0.28848124142531i
-0.26819305421085 + 0.29614099287402i  0.16733584426567 - 0.26342674536309i
  0.30012269970442 - 0.18960029140684i -0.21249758159852 + 0.16045093300638i
-0.11582612245980 + 0.03070489574165i  0.10517380484883 + 0.00430549864486i



原矩阵YY运用INV(YY)求逆后结果矩阵的元素值完全一样···

这个矩阵是不是有什么问题,结果不应该是这样的,请大牛帮帮忙

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发表于 2011-5-19 22:59:41 | 显示全部楼层 来自 湖北武汉
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没有吧,我把你的矩阵算了下,元素都不一样的
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 楼主| 发表于 2011-5-21 11:23:40 | 显示全部楼层 来自 陕西西安
本帖最后由 ganzhouzqh 于 2011-5-21 11:25 编辑

不是吧,我一直算的都是元素结果一样的呀,YY是原矩阵,我用inv(YY)得到的结果确实是一个值哦····上面的YY矩阵是10×10 的方阵
2# guozhongyang123
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