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10Â¥: Originally posted by crag2003 at 2014-09-14 18:07:15
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10Â¥: Originally posted by crag2003 at 2014-09-14 18:07:15
ÎÒÊÇÕâÑù۵ģº

FindRoot


FindRoot::nlnum: ÔÚ {h} = {20.} ´¦£¬º¯ÊýÖµ {-(158.199/(4.06452 -1. t))} ²»ÊÇÓÉÊý×Ö×é³ÉµÄά¶ÈΪ {1} µÄÁбí. >>...

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FindRoot[630.2*(1 - h/44330)^5.25 == 470.51 - (20*27*(1 - h/44330)^5.25)*(((29830)/(44330 - h))^7.5 - ((29830)/(44330 - h))^8.978)^0.5, {h, 0}]

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