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# Nourhan Elsayed

Last seen: ongeveer 2 jaar ago Active since 2019

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understanding how the SQP optimization method works
Dear ALl i am trying to understand how the SQP approaching optimum solution. generaly, SQP is not forcing feasibility at each i...

ongeveer 2 jaar ago | 1 answer | 0

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Question

exhaustive search algorithm Consept
Dear all i am doing an optimization model for a system, and i want to find the optimum for different system configurations. t...

ongeveer 2 jaar ago | 2 answers | 0

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is there a gradient based and mixed integer optimization algorithm in Matlab?
for a nonlinear constrained system , is there any optimization algorithm that can handle mixed integer constraints and in the sa...

ongeveer 2 jaar ago | 1 answer | 0

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Question

optimization problem using exhaustive search algorithm with one inequality constraints
i have to find the optimum x that minimize the following F(x) subject to next inequality constraint belongs to vector...

ongeveer 2 jaar ago | 1 answer | 0

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Question

exhaustive search algorithm problem
hi all what is the code that find the optimum value between a group of values arranged on an array of size 1x12 that satisfy 2 ...

ongeveer 2 jaar ago | 1 answer | 0

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Question

construct a two level optimisation problem has fmincon solver for lower level and genetic algorithm for upper level
Hi all i have a two level optimization problem that has to run an upper level optimization problem using genetic algorithm, the...

ongeveer 2 jaar ago | 1 answer | 0

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Question

Statistical method to arrange a set of variables in subsets
dear all i have a general mathematical question i have an array of different numbers. size of the array is 16 x 6. i want to f...

ongeveer 2 jaar ago | 1 answer | 0

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Question

penalty fitness value not changing
Hi i am using ga for a mixed integer nonlinear constrained problem. i have got this plot result . the penality fitness value is...

ongeveer 2 jaar ago | 2 answers | 0

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Question

how to write CustomStartPointSet if local minimum points are known?
i am using solver of fmincon ,and i want to create ptmatrix of starting points to use multistart algorithm. so i can apply the...

ongeveer 2 jaar ago | 0 answers | 0

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Question

write Nonlinear constraints for fmincon with condition
how to write a constraint for x = [x1 x2 x3 x4 x5 x6] that is condintional, the constraint is active when the if statment is tr...

ongeveer 2 jaar ago | 1 answer | 0

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Question

genetic algorithm run time and result analysis
Hello i am using Genetic algorithm. my problem has nvars=30, population size = 400 size of initial population matrix = 50x3...

ongeveer 2 jaar ago | 0 answers | 0

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Question

generate several scenarios and compare optimization result
Hi all i am doing optimization with genetic algorithm. i have n number of variables x=[x1, x2, x3,....xn] X is calculated by e...

ongeveer 2 jaar ago | 0 answers | 0

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Question

Hello, i am using optimization toolbox and i want to link m.file that contains my initial population matrix . % Input Data M...

ongeveer 2 jaar ago | 1 answer | 0

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Question

Genetic Algorithm Calculation steps
Dear All, i am using Genetic Algorithm throught optimization toolbox. my optimization problem is little complicated as a lot o...

ongeveer 2 jaar ago | 1 answer | 0

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Question

define nvars as a function handle in genetic algorithm
Hello, i am using genetic algorithm and the number of decision variables are dependent on the value of a certain decision varia...

meer dan 2 jaar ago | 1 answer | 0

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Question

define a dummy decision variable for optimization problem
Dear All, i want to define a matrix "Ld" of decision variables whose the size of matix "Ld" is not fixed, it is a function on "...

meer dan 2 jaar ago | 1 answer | 0

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Question

is it possible to use cell array to define Lb and Ub of genetic algorithm in Optimization Toolbox
i am creating a code to minimize a function using genetic algorithm where i have 2 decision variables x15 and x16. x15 is a 2x...

meer dan 2 jaar ago | 1 answer | 0

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Question

OPTIMIZATION PROPLEM SETUP FOR A POWER MANAGMENT SYSTEM
The above is my objective function Whereas: m is the index of engine M the total number of engines installed per one sid...

bijna 3 jaar ago | 0 answers | 0

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Question

how can i make matlab select a value for a vector variable from a set of data
i am doing optimization design model that compare the fuel consumption of different diesel engines. so, i have excel sheet con...

bijna 3 jaar ago | 1 answer | 0