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chyanog

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7Â¥: Originally posted by walk1997 at 2013-12-24 09:03:42
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walk1997

½ð³æ (ÖøÃûдÊÖ)

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8Â¥: Originally posted by dingd at 2013-12-24 10:03:03
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2*1.38*10^(-23)*t1)/(1.6*10^(-19)))*1.2*10^6*(t1)^2*
E ...

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{t1 -> 1937.1675296975197254, t2 -> 355.62015391388776230}

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chyanog

½ð³æ (СÓÐÃûÆø)

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12Â¥: Originally posted by walk1997 at 2013-12-24 22:17:28
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13Â¥2013-12-24 23:28:09
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Simewe

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8Â¥: Originally posted by dingd at 2013-12-24 10:03:03
1stOptÊÔÊÔ£¬ºÜ¼òµ¥£¬ÊýÖµ½âµÄ»°±ÈmathematicaÇ¿µÄ¶à£º

Function
1*(1273 - t1) + 1.76*10^(-4)*5.67*10^(-8)*(1273^4 - (t1)^4) - ((1.5 + 0.6 + (
2*1.38*10^(-23)*t1)/(1.6*10^(-19)))*1.2*10^6*(t1)^2*
E ...

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14Â¥2013-12-24 23:34:04
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walk1997

½ð³æ (ÖøÃûдÊÖ)

ÒýÓûØÌû:
13Â¥: Originally posted by chyanog at 2013-12-24 23:28:09
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f = Exp[x/100] - Sin[x] == 0
NSolve[{f, -20 < x < 20}, x]
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15Â¥2013-12-25 08:00:38
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dingd

Ìú¸Ëľ³æ (Ö°Òµ×÷¼Ò)

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14Â¥: Originally posted by Simewe at 2013-12-24 23:34:04
1stOptËãÊýÖµ½âÇ¿ÔÚÄÄÀÊÇÇó½âËÙ¶È»¹ÊǾ«¶È£¿...

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16Â¥2013-12-25 09:38:37
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