I have a code which I used in matlab 2014 and it was working properly. then I uninstal it and I instaldd 2019 now I have problem with the code. The error is :
Unrecognized function or variable 'getIpOptions'.
Error in fmincon (line 822)
options = getIpOptions(options,sizes.nVar,mEq,flags.constr,defaultopt,10,0.01);
Error in ex2 (line 25)
[RES,FVAL]=fmincon(err,X,,,,,[0 0 0 0 0],[1 1 100 10 5],)
What should I do?