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Jingjie Jiang


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Logic constraint function for 'round' function
Hello, I am solving an optimisation problem. And I have a constraint (x-round(x))*(y-round(y))=0, which means, at least one v...

7 years ago | 0 answers | 0

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Semipositive definite matrix for quadratic term has a convex quadratic fucntion
Hello, I am now using CPLEX to optimise a quadratic cost fucntion. In CPLEX documentation it is said that if the quadratic matr...

7 years ago | 1 answer | 0

1

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small difference in gradient and hessian calculated by symbolic toolbox and my analytic solution
Hello, I am now using fmincon to solve a nlp problem. I want to provide it with gradient and hessian. Before I run it,I compare...

7 years ago | 1 answer | 0

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