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Even though i defined the Guess value of M, this error shows up
What condition you want to put in the "Given-Find" block for your function "FUNCTION(...)" (variable "y" is not defined in your document)?
so what i want to do is minimizing the Function(A,B,n1,n0,Cn,C,P,d1,d0,Cd,et,es,fm,Cf,Ct,Cs,k,M,strainrate,strain...experiment)
and get the 18 variable's value of A,B,n1,m0.....M.