User defined function using integrals

[Pierre-Louis de Assis]

Is there a way to define a new function that uses integrals? I searched for it all over and found no mention of an integration command.

Thanks

[Marcin Wojdyr]

On 7 February 2013 17:25, Pierre-Louis de Assis <plo...@gmail.com> wrote:
> Is there a way to define a new function that uses integrals? I searched for
> it all over and found no mention of an integration command.

It depends. What function do you have in mind?
Marcin

[Pierre-Louis de Assis]

I would like to fit a curve that corresponds to the integral of a lorentzian with a central frequency that oscilates as cos(Theta*t), over one period.

[Pierre-Louis de Assis]

Actually it's more accurate to say that omega_0=omega_00+Amplitude*cos(frequency*T).