May 20, 2022 · What I would like to do is essentially provide some guess values of en and x2 , optimise en_sum subject to nlc and have it produce the resulting ...

May 22, 2019 · So if I change these non-convex constraints to convex constraints (by replacing them), the entire Q matrix will become positive semi-definite?

Oct 23, 2017 · This evaluates to unknown. Can I declare that p,q and m are positive real numbers? maxima.

Dec 5, 2016 · One way of doing this is, is using a permutation matrix p(i,j) . I.e. sets i = {A,B,C,D} j = {1,2,3,4} binary variable p(i,j) # assignment ...

Feb 15, 2015 · The parameters par[1] and par[4] must be non-negative, while the other two are unconstrained. Is it possible to include these constraints in the ...

Feb 25, 2019 · I am trying to fit a function p which depends on two variables x , T . The data for the p , T , x are provided via an excel sheet with pandas .

May 8, 2013 · I tried this. If I do refine( sqrt((K-a)**2), Q.positive(K-a) ), I get |K-a| when it should be K-a since K-a is defined as positive. It's the ...

Jun 14, 2022 · I am trying to code the following inequality: enter image description here. Where. enter image description here.

May 29, 2020 · This works but check the solution. I added the positive variable x because otherwise you would have negative productions.

Nov 22, 2021 · I am running a model in GAMS with a number of variables with 2 dimensions, calling the indexes i and j respectively. I have a few constraints ...