MATLAB: How is “feasibility” defined in fmincon

feasibilityfminconoptimization

It seems there is no clear documents for the feasibility item in the output of fmincon, see the following figure,

Does anyone knows how it is eaxctly defined?

Best Answer

Or see the documentation of iterative display for fmincon.

Alan Weiss

MATLAB mathematical toolbox documentation

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MATLAB: How to define handle for fmincon

The main function script is working very well.

Nope. Your cwt.m function is not returning any actual numbers.

    >> out=cwt(x0); class(out)
    ans =
        'sym'

You need to provide actual numeric values for the variables ('delta_a', 'delta_c', 'delta_t', 'Di'). You cannot define them with sym().

Also, Aeq and beq should not be generated inside cwt(). Your cwt_solver() function cannot see them there.

MATLAB: Is it possible to represent objective function and constraints as matrices while using optimization tool box

linprog() and intlinprog() and quadprog() and lsqlin() and lsqnonneg() are part of the Optimization Toolbox.

However, fminsearch(), fgoalattain(), fmincon(). fminunc(), fseminf(), lsqcurvefit(), lsqnonlin(), fsolve() and fzero() do not accept expressing the function in terms of matrices.

You can write a small anonymous function such as

residue = @(x) sum((M*x(:)).^2)

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Related Solutions

MATLAB: How to define handle for fmincon

MATLAB: Is it possible to represent objective function and constraints as matrices while using optimization tool box

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