>> a_p=0.24;
a_d=0.12;
a_i=0.22;
s=0.1*e12;
kp=0.5; ki=0.25; kd=0.47;
ks_p=0.1*(1/(a_p+abs(s)-a_p*abs(s))+(a_p-1)/(a_p*abs(s)-1));
ks_d=0.1*(1/(a_d+abs(s)-a_d*abs(s))+(a_d-1)/(a_d*abs(s)-1));
ks_i=0.1*(1/(a_i+abs(s)-a_i*abs(s))+(a_i-1)/(a_i*abs(s)-1));
phi_p=s*ks_p;
phi_d=s*ks_d;
phi_i=s*ks_i;
u=kp*phi_p+ki*phi_i+kd*phi_d
Error using *
Out of memory. Type HELP MEMORY for your options.
Error in main (line 32)
phi_i=s*ks_i;
how to fix this memory error
well, perhaps the numerical answer, you might be looking for, is
>> u=kp*phi_p+ki*phi_i+kd*phi_d
u =
-0.4404
and, you should simply change the 4th line / this one / next one
s=0.1*e12;
with the following line
s=0.1*10^12;
because matlab doesn't understand e12,
hopefully this helps
Have you tried typing "help memory" and seeing the options? If not, try them and see if it fixes your issue. If you have tried them, why did they not address your issue? Also, your error occurs on line 32. This arithmetic doesn't seem like a problem to me, but if you have another ~20 lines before the code you included in your question, I suspect something else is going on beforehand.
https://www.mathworks.com/help/matlab/matlab_prog/resolving-out-of-memory-errors.html
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