error not enough input arguements and user supplied objective function in fmincon

function optimizationcstr

clear all;
close all;
clc;

%%Optimization
A =[];
b =[];
Aeq =[];
beq =[];
lb = [0 0 813.5 310];
ub = [1.7e-6 9.4e-5 814.5 340];
x0 = [8.6667e-8  6.66667e-7 814 325];
options     =   optimset('Algorithm','interior-point','Hessian','bfgs',...
                'AlwaysHonorConstraints','bounds'); 
nonlcon=@mycon;
[x]= fmincon(@myfun,x0,A,b,Aeq,beq,lb,ub,nonlcon,options); 
end

function AAHydro

clc;
close all;
clear all;

p = parameter(); % get the parameters into the workspace

Delta_T_adiabat = p.dTad
Zulaufkonzentration = p.c_AA_0

x0      = [5;5];

options= optimoptions('fsolve','Display','iter'); % Option to display output

[x,fval] = fsolve(@(x)myfun(x,p), x0, options); % Call solver

end

function [c,ceq]= mycon(x)
p= parameter();
c= (x(1)*p.rho_A.A)/(p.MAA*(x(1)+x(2)));
ceq= myfun(x);

end

function dx = myfun(x,p)

   % x(1) = Concnetration in the reactor
    % x(2) = Temperature of reactor
    dx = [0;0]; % initialize
    dx(3) = (p.c_AA_0-x(3))/p.tau + p.kinf*exp(-p.EA/(p.R*x(4)))*(x(3))^p.n;
    dx(4) = (p.Tin - x(4))/p.tau + p.dTad*p.kinf*exp(-p.EA/(p.R*x(4)))*(x(3))^p.n;
  end

function p = parameter()

% Parameter

p.kinf= 936589 ; %[1/s]
p.EA= 49900; %[J/mol]
p.Rg= 8.314 ; %[J/mol*K]
p.V= 0.00026533 ; %[m3] 
p.F_H2o=6.6667e-7; % m3/s  Flowrate of H2o
p.F_A.A= 8.6667e-8; % m3/s Flowrate of A.A
p.F_Total= 7.53333e-7 ;% m3/s Total Flowrate
p.c_AA_0= 814 ; %[mol/m3] initial concentration
p.Delta_HR= -56.6 ;%[kJ/mol]
p.rho_cp=  4184 ;%[kJ/K*m3] 
p.n=0.94 ; % reaction order
p.theTaw = 25; %0C  mean temperature
p.theTao = 20; %0C initial temp in the reactor
p.Taw=p.theTaw+273.15;
p.Tao=p.theTao+273.15;
p.MAA=0.10209; % kg/mol
p.rho_A.A= 1080; % kg/m3
p.tau= p.V/p.F_Total;
p.dTad= -p.Delta_HR*p.c_AA_0/(p.rho_cp);
end

Answer 1

[Walter Roberson]

[x] = fmincon(@(x) myfun(x,p), x0, A, b, Aeq, beq, lb, ub, nonlcon, options);

[raviteja peri]

I'm afraid, it still shows error. Failure in user supplied objective function evaluation. Fmincon cannot continue :(