using fmincon function for optimisation

2017 7 28
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Hey, I was wondering if anyone could explain this. I am using fmincon function for optimisation but gets the following error: Error using fmincon (line 220) FMINCON requires the following inputs to be of data type double: 'Aeq','Beq'.
Error in OptimisationCode1 (line 112) [xalpha,fval,flag]=fmincon(gap,xalphakeep,alphamin,alphamax,@nonlconstr,options);
But I believe both alphamin and alphamax are defined as double by default. Could you please suggest any alternatives?
Ajmal Roshan

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Ajmal Roshan
Ajmal Roshan 2017-7-28
alphamin and alphamax are both matrices defined in the code initially

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Torsten
Torsten 2017-7-28
编辑：Torsten 2017-7-28

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[xalpha,fval,flag]=fmincon(gap,xalphakeep,[],[],[],[],alphamin,alphamax,@nonlconstr,options);
alphamin and alphamax must be vectors of size "xalphakeep".
Best wishes
Torsten.

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