(a * x) / (x + b) #Michaelis-Menten
a/(1 + (b/x)^c) #Sigmoid-Fit
a + b*exp(c*x)
1 - a*exp(b*x^2 + c*x +d)
a * exp(-0.5*((x-b)/c)^2) #Gauss-Fit
a + b*exp(c*x) + d*exp(e*x)
a + b*exp(c*x) + d*exp(e*x) + f*exp(g*x)
a + b*exp(c*x) + (1-a)*exp(d*x)
a + b*x^c
a + b*(1 -exp(c*x))
a + b/(1 + b * c * x)
a + b*(1 - 1/ (1 + b*c*x))
a + b/exp(c*x)
a+b*sin(x)+c*cos(x)+d*sin(2*x)+e*cos(2*x)+f*sin(3*x)+g*cos(3*x)
a + b*ln(c*x)
a + b*ln(c*x) + d*ln(e*x)
a + b*ln(c*x) + d*ln(e*x) + f*ln(g*x)
a + b*ln(c*x) + (1-a)*ln(d*x)
a + b*(1 -ln(c*x))