Inverse function of intergration

[s_hy]

hi all,

I have a TEC data and I got this

TEC = $\int$Ne ds

How can I inverse this equation to get data for Ne. Thank you

 

[Simon Bridge]

The inverse function for integration is "differentiation".

If $f(x)=\int g(x)dx$ then $g(x)=f'(x)$