公式分布的归一化
使用 ProbabilityDistribution 以及选项 Method->"Normalize" 自动计算归一化系数.
In[1]:=
![Click for copyable input](assets.zh/normalization-of-formula-distributions/In_33.png)
uv\[ScriptCapitalD] =
ProbabilityDistribution[Sin[x] Exp[-x], {x, 0, Pi},
Method -> "Normalize"]
Out[1]=
![](assets.zh/normalization-of-formula-distributions/O_28.png)
从分布取样,并比较直方图和密度函数.
显示完整的 Wolfram 语言输入
Out[2]=
![](assets.zh/normalization-of-formula-distributions/O_29.png)
用选项 Method->"Normalize" 归一化多元正态分布.
In[3]:=
![Click for copyable input](assets.zh/normalization-of-formula-distributions/In_35.png)
mv\[ScriptCapitalD] =
ProbabilityDistribution[Boole[x^2 + y^2 < 1], {x, 0, 1}, {y, 0, 1},
Method -> "Normalize"]
Out[3]=
![](assets.zh/normalization-of-formula-distributions/O_30.png)
显示完整的 Wolfram 语言输入
Out[4]=
![](assets.zh/normalization-of-formula-distributions/O_31.png)