Recent content by acpn2

I think I've sorted it out using Collect (had never used this function before). Ana

Hello, I'm trying to find out how I can let Mathematica know what is a variable and what is a parameter when asking it to simplify an expression. For example: if I have the following expression \[Beta] \[CapitalOmega] ((1 - \[Gamma] y) \[Xi] \[Sigma] + (x - \[Xi]) \[CapitalOmega]) + a...