Error in sym/subref
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%Indicate variables
x0 =1.25;
S0 =86.63;
P0 =0;
Kd = 0.0032;
a = 0.6212;
Yps = 0.5820;
Ki = 243.95;
c = 0.5557;
Ks = 0.0191;
d = 30.7600;
syms t S
mu = ((c*S)/Ks+S+(S^2/Ki))*(1-(-Yps*S+Yps*S0+P0/d));
m1 = exp(int(mu,0,t));
m2 = (-a*c/Yps)*((S+Yps*S^2-Yps*S*S0-P0*S)/Ks+S+(S^2/Ki));
%% 1st method ODE
x=linspace(0,0.5,50);
h=0.5;
f1= 86.63;
for i = 1:length(x)
f(i+1) = f(i) + h*(m1(i)*m2(i));
end
Index exceeds the number of array elements (1).
Error in sym/subsref (line 900)
R_tilde = builtin('subsref',L_tilde,Idx);
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Réponses (1)
Walter Roberson
le 11 Nov 2021
m1 and m2 are scalar symbolic expressions that do not involve x.
They do involve S. perhaps you want to subs(m1, S, x(i)) ?
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