- #1
mimmim
- 2
- 0
Hi
Iknow that if we have delta function of one variables function, then we can write it as:
[itex]\delta (f(x)) = \sum \frac{\delta(x-x0)}{f'(x0)} [/itex]
but how we can write a function of two variables:
[itex]\delta (f(x,y))[/itex]
Iknow that if we have delta function of one variables function, then we can write it as:
[itex]\delta (f(x)) = \sum \frac{\delta(x-x0)}{f'(x0)} [/itex]
but how we can write a function of two variables:
[itex]\delta (f(x,y))[/itex]