I would like to know how to fit the tempkin model ( qe= Bln(ACe)) in MATLAB using this equation. and SIPS model qe= qm(KsCe)1/n /1+(Ks Ce )1/n to fit in MATLAB. For eg: Langmuir model :
f(x) = (q*k*x)/(1+(k*x)). kindly help me with this to convert the equations which is in f(x) form.