作业帮mathematica计算积分为什么算不出来a := 0.9var := 0.085760932176f[x_] := 1/0.140529615*Integrate[\!\(TraditionalForm\`\*SuperscriptBox["e", RowBox[{"\[Minus]", FractionBox[SuperscriptBox[RowBox[{StyleBox["(",SpanMinSize->1,SpanMaxSize->1], R
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![mathematica计算积分为什么算不出来a := 0.9var := 0.085760932176f[x_] := 1/0.140529615*Integrate[\!\(TraditionalForm\`\*SuperscriptBox[](/uploads/image/z/10199870-62-0.jpg?t=mathematica%E8%AE%A1%E7%AE%97%E7%A7%AF%E5%88%86%E4%B8%BA%E4%BB%80%E4%B9%88%E7%AE%97%E4%B8%8D%E5%87%BA%E6%9D%A5a+%3A%3D+0.9var+%3A%3D+0.085760932176f%5Bx_%5D+%3A%3D+1%2F0.140529615%2AIntegrate%5B%5C%21%5C%28TraditionalForm%5C%60%5C%2ASuperscriptBox%5B%22e%22%2C+RowBox%5B%7B%22%5C%5BMinus%5D%22%2C+FractionBox%5BSuperscriptBox%5BRowBox%5B%7BStyleBox%5B%22%28%22%2CSpanMinSize-%3E1%2CSpanMaxSize-%3E1%5D%2C+R)
1,SpanMaxSize->1], R" />mathematica计算积分为什么算不出来a := 0.9var := 0.085760932176f[x_] := 1/0.140529615*Integrate[\!\(TraditionalForm\`\*SuperscriptBox["e", RowBox[{"\[Minus]", FractionBox[SuperscriptBox[RowBox[{StyleBox["(",SpanMinSize->1,SpanMaxSize->1], R
mathematica计算积分为什么算不出来
a := 0.9
var := 0.085760932176
f[x_] := 1/0.140529615*Integrate[\!\(TraditionalForm\`\*
SuperscriptBox["e",
RowBox[{"\[Minus]",
FractionBox[
SuperscriptBox[
RowBox[{
StyleBox["(",
SpanMinSize->1,
SpanMaxSize->1],
RowBox[{
StyleBox["t",
SpanMinSize->1,
SpanMaxSize->1], "\[Minus]", "0.013913043"}],
StyleBox[")",
SpanMinSize->1,
SpanMaxSize->1]}], "2"], "0.006286166"]}]]\), {t, -\[Infinity], x}]
Integrate[x*(f[x] - a)/(1 - a), {x, var, \[Infinity]}]
mathematica计算积分为什么算不出来a := 0.9var := 0.085760932176f[x_] := 1/0.140529615*Integrate[\!\(TraditionalForm\`\*SuperscriptBox["e", RowBox[{"\[Minus]", FractionBox[SuperscriptBox[RowBox[{StyleBox["(",SpanMinSize->1,SpanMaxSize->1], R
因为f[x_]这个反常积分并不收敛啊,软件不是给了警告信息吗.顺便你贴代码怎么贴了TraditionalForm,这种形式是没法用于计算的……