search for: rgsq

...nal fit is q %%Rg0 is a function of L and b Rg0sq<-function(L,b)L*b/6*(1-3/2*b/L+3/2*(b/L)^2-3/4*(b/L)^3*(1-exp(-2*L/b))) %%alpha is a defined function alpha<-function(x)(1+(x/3.12)^2+(x/8.67)^3)^(0.176/3) %%w is a defined function w<-function(x)(1+tanh(x-1.523)/0.1477)/2 %%It is Rg^2 Rgsq<-function(L,b)(alpha(L/b)*Rg0sq(L,b)) %%This is Rg Rg<-function(L,b)(Rg0sq(L,b))^0.5 %%A debye function of q, the parameters are L and b PDebye<-function(L,b)2*(exp(-q^2*Rg0sq(L,b))+q^2*Rg0sq(L,b)-1)/q^4/(Rg0sq(L,b))^2 %%Another function of q that quote w, PDebye, Rg, parameters are v,...