[NTG-context] how to typeset this formula ?

[Oliver Buerschaper]

If you are allowed to make some minor adjustments you may probably  
even leave out most of the \cdot commands, which will turn the formula  
even sleeker ...

Just my two cents,
Oliver



>> \starttext
>>
>> \startformula
>> \frac{g_a}{\theta} =
>> \startcases[left={\left[},right={\right]}]
>> \NC \displaystyle
>
> \startcases[left={\left[},right={\right]},style=\displaystyle]
> \NC
>
>> H_M \cdot z^{1 - \phi} \cdot \frac{\phi - \sigma \cdot \phi}{\sigma -
>> \phi} \cdot \frac{(1 - \phi) \cdot \gamma}{1 - \sigma}
>> - H_S \cdot z^{-\phi} \cdot \frac{\phi - \sigma \cdot \phi}{\sigma -
>> \phi} \cdot \frac{(1 - \phi) \cdot \gamma}{1 - \sigma}
>> + \gamma \cdot H_S \cdot z^{-\phi}
>> \NR
>> \NC \displaystyle
>
> \NC
>
>> - \gamma \cdot z^{-\phi} \cdot \frac{\phi - \sigma \cdot \phi}{\sigma
>> - \phi} \cdot z \cdot H_M
>> + \gamma \cdot z^{-\phi} \cdot \frac{\phi - \sigma \cdot \phi}{\sigma
>> - \phi} \cdot H_S
>> \NR
>> \stopcases
>> \stopformula
>>
>> \stoptext