在任意分布中加入单位
根据量值 (magnitude) 的分布产生到达时间的分布,以秒为单位.
In[1]:=
![Click for copyable input](assets.zh/give-units-to-any-distribution/In_1.png)
\[ScriptCapitalD] =
QuantityDistribution[ExponentialDistribution[3], "Seconds"]
Out[1]=
![](assets.zh/give-units-to-any-distribution/O_1.png)
用 QuantityUnit 和 QuantityMagnitude 提取相关联的随机变量的单位和量值的分布.
In[2]:=
![Click for copyable input](assets.zh/give-units-to-any-distribution/In_2.png)
QuantityUnit[\[ScriptCapitalD]]
Out[2]=
![](assets.zh/give-units-to-any-distribution/O_2.png)
In[3]:=
![Click for copyable input](assets.zh/give-units-to-any-distribution/In_3.png)
QuantityMagnitude[\[ScriptCapitalD]]
Out[3]=
![](assets.zh/give-units-to-any-distribution/O_3.png)
可以用包括公式分布、导出分布等在内的任意分布来作为量值的分布.
In[4]:=
![Click for copyable input](assets.zh/give-units-to-any-distribution/In_4.png)
mag\[ScriptCapitalD] =
ProbabilityDistribution[{"HF", x}, {x, 0, \[Infinity]}];
In[5]:=
![Click for copyable input](assets.zh/give-units-to-any-distribution/In_5.png)
lifetime\[ScriptCapitalD] =
QuantityDistribution[mag\[ScriptCapitalD], "Hours"]
Out[5]=
![](assets.zh/give-units-to-any-distribution/O_4.png)