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shengly521

铁杆木虫 (正式写手)

[交流] 请教,急!

求下面方程组的解
x/(a^4*b)=2.9*10^9
y/(a^2*c)=1.6*10^7
x+y+a=3.23
b+x=0.5
c+y=0.042
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xinhero

银虫 (正式写手)

★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★
小木虫(金币+0.5):恭喜抢沙发,给个红包
bluesine(金币+1,VIP+0):呵呵,是matlab算的吧,很有效率啊 1-12 22:25
shengly521(金币+20,VIP+0):谢谢啊,帮了我的大忙了 1-13 08:11
a =

[ -.31798519253851004971624799710556e-2-.31795696336602619659875923900023e-2*i]
[ -.31798519253851004971624799710556e-2+.31795696336602619659875923900023e-2*i]
[ -.12914104269323673389428138951335e-9-.25164141500853952163678816789309e-3*i]
[ -.12914104269323673389428138951335e-9+.25164141500853952163678816789309e-3*i]
[  .31798518712225979755261432420016e-2-.31801596144078043887443688541740e-2*i]
[  .31798518712225979755261432420016e-2+.31801596144078043887443688541740e-2*i]
[                                            2.6880000003666070904297461412467]


b =

[ -2.6911802646810894251063203128056-.30497561861148845312039194696894e-2*i]
[ -2.6911802646810894251063203128056+.30497561861148845312039194696894e-2*i]
[ .49999418578045822399045754908172+.11935168029213410721727241413000e-10*i]
[ .49999418578045822399045754908172-.11935168029213410721727241413000e-10*i]
[ -2.6848205366510783169725279086022-.33099491303973440706220083926829e-2*i]
[ -2.6848205366510783169725279086022+.33099491303973440706220083926829e-2*i]
[                                     .33025921833734574747210763847085e-11]


c =

[ .41275570432460915783283458113411e-6-.12981344754537743478367292031287e-3*i]
[ .41275570432460915783283458113411e-6+.12981344754537743478367292031287e-3*i]
[   -3.1879941859095992666836942829760-.25164142694370755085019888962034e-3*i]
[   -3.1879941859095992666836942829760+.25164142694370755085019888962034e-3*i]
[ .38852230091494805405184422434649e-6+.12978951598953968187763953850891e-3*i]
[ .38852230091494805405184422434649e-6-.12978951598953968187763953850891e-3*i]
[                                        .36330449824637268377194982254062e-9]


x =

[     3.1911802646810894251063203128056+.30497561861148845312039194696894e-2*i]
[     3.1911802646810894251063203128056-.30497561861148845312039194696894e-2*i]
[ .58142195417760095424509182786828e-5-.11935168029213410721727241413000e-10*i]
[ .58142195417760095424509182786828e-5+.11935168029213410721727241413000e-10*i]
[     3.1848205366510783169725279086022+.33099491303973440706220083926829e-2*i]
[     3.1848205366510783169725279086022-.33099491303973440706220083926829e-2*i]
[                                            .49999999999669740781662654252528]


y =

[ .41999587244295675390842167165419e-1+.12981344754537743478367292031287e-3*i]
[ .41999587244295675390842167165419e-1-.12981344754537743478367292031287e-3*i]
[    3.2299941859095992666836942829760+.25164142694370755085019888962034e-3*i]
[    3.2299941859095992666836942829760-.25164142694370755085019888962034e-3*i]
[ .41999611477699085051945948155776e-1-.12978951598953968187763953850891e-3*i]
[ .41999611477699085051945948155776e-1+.12978951598953968187763953850891e-3*i]
[                                        .41999999636695501753627316228050e-1]
2楼2010-01-12 21:28:24
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bluesine

至尊木虫 (职业作家)

科苑小木虫


小木虫(金币+0.2):抢了个小板凳,给个红包
2楼效率不错嘛,嘿嘿
板凳要做十年冷文章不发一个字
3楼2010-01-12 22:27:48
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luomingqi

木虫 (正式写手)

效益确实不错嘛。鼓励一下!
跟踪
4楼2010-01-13 10:17:38
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