Maria

Last seen: 3 maanden ago | Active since 2022

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Unable to perform assignment because value of type 'optim.problemdef.OptimizationExpression' is not convertible to 'double'.
Hello! I'm working on an optimization problem where I need to manage the availability of multiple cores for task execution. M...

3 maanden ago | 1 answer | 0

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answer

Question

Why ILP Solver Switching to Branch-and-Bound?
Hello everyone, I'm working on an integer linear programming (ILP) problem in MATLAB. When I solve the problem with a small n...

3 maanden ago | 1 answer | 0

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answer

Question

Transforming Optimization Code from Problem-Based to Solver-Based Approach in MATLAB
Hello, I have successfully implemented an ILP problem using MATLAB's problem-based optimization approach. However, I am now l...

3 maanden ago | 1 answer | 0

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answer

Question

Error : Failure in initial user-supplied nonlinear constraint function evaluation.
Hello everyone! I'm encountering an issue with my MATLAB code and could use some assistance. Specifically, I'm getting the fo...

4 maanden ago | 1 answer | 0

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answer

Question

Error with find Function in MATLAB: "Incorrect number or types of inputs or outputs"
Hello, I am encountering an error in MATLAB when using the find function in my code. The error message is: Error using find In...

4 maanden ago | 1 answer | 0

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Question

Error : Unable to use a value of type optim.problemdef.OptimizationVariable as an index.
Hello ! I am working on a problem-based optimization task where I need to assign 4 subtasks to 4 different nodes. My approach i...

12 maanden ago | 1 answer | 0

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answer

Question

Can Genetic Algorithm in MATLAB Return a 3D Matrix as an Optimal Solution?
Hello! I am currently working on an optimization problem where my optimization variable is a 3D matrix. I am considering using ...

12 maanden ago | 1 answer | 0

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answer

Question

How to observe parameter value existing in constraint while solving problem using "ga"
Hello! I know I'm tiring you with my questions about the same problem over and over again, but I really tried without finding th...

meer dan een jaar ago | 1 answer | 0

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Question

How to save each result of objective function solved by genetic algorithm for each iteration?
Hello! * I have solved my optimization problem using genetic algorithm.My objective function is related to a random mat...

bijna 2 jaar ago | 1 answer | 0

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Question

Can i save random data in specific file in order to use them for different simulations?
Hello all! In my program code i have such random variables,they change for each iteration.Also there is some functions are depe...

bijna 2 jaar ago | 1 answer | 0

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Question

How to solve "Conversion to logical from optim.problemdef.OptimizationEquality is not possible." ?
Hello! Hi, I have meet the problem in MATLAB using problem based optimization, my optimization variable is q_int , i have used ...

bijna 2 jaar ago | 1 answer | 0

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Question

How to solve NLP Optimization problem ?
Hello everyone! I'm new in NLP solver, i'm wondering how to write appropriately my objective function also my variables and co...

bijna 2 jaar ago | 1 answer | 0

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Question

How Can i transform condition into constraint equation?
Hello everyone! i'm asking if i can change a condition line command into equation in order to use it in my problem. The condit...

bijna 2 jaar ago | 1 answer | 0

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Question

How to fill a vector and change its elements when reaching a specific element?
Hi all! i want to fill a row vector X=1*3600 as x(j+1)=x(j)+20, and elements of X should be 0<=x<=1000. for example : x(1)...

ongeveer 2 jaar ago | 2 answers | 0

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answers

Question

How to sum previous columns before specific element ?
Hello! I have a row vector E(1,50), and I have a binary matrix A (20,50). In each row of A there is only "1". I want to add va...