mathematical function definition in spice

[hellotxn]

pspice ad function definition

I want to use s frequency response function in spice,this function contain expoential function and square root function,Iam not sure whether there is a definition of such function in spice,and how to describe them in spice? Could some one give me some guidance?

Thanks![/img]

 

[ambreesh]

could u please be more elaborate, and give the function u need to generate.

 

[hellotxn]

Thanks for your response!

The function is in the attachment file. Please give me some help if possible!