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# mohammed hussein

##### Last seen: 11 days ago

26 total contributions since 2015

Hi
i just asking about the Matlab optimization algorithms that work with multi variable and each variable has different boundary .

thank you

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Question

M.file in matlab
i have R2015a matlab version . i tried to open .m files. Whenever I double-clicked them, they opened in new matlab windows. is ...

3 months ago | 0 answers | 0

### 0

Question

save data form matlab to .txt
Hi can anyone help me to save the data from the matlab to .txt file with has comma after each number. for example A=[1 ...

2 years ago | 1 answer | 0

### 1

Question

save multiple matrix from 2D to one 3D in sequence
Hi i have multiple matrix in 2D i want to save those in one 3D in sequence . for example i have matrix A , B ,C ,D ,and E i wan...

2 years ago | 1 answer | 0

### 1

Question

compare between two results with percentage Error
Hi can you help me with this problem , i have two results (original and calculation) , i would like to compare the original ...

2 years ago | 1 answer | 0

### 1

Question

defined categorical in same name but different number
Hi can you help me with this problem . i have different range of number i want to put them in categorical in the same name ...

2 years ago | 1 answer | 0

### 1

Question

replace part of matrix to another matrix
Hi i have many matrices in same size , i want to add all of them together in one matrix with replace the last quarter of each ...

2 years ago | 3 answers | 0

### 3

Question

three variable together in one loop in different size
Hi every one i would like to have three variable working in loop one working alone and another working together in different s...

2 years ago | 1 answer | 0

### 1

Question

extract the data from 3D struct matrix
Hi i have this matrix in name W attached . this matrix is struct matrix . each element is 1*3. i would like to extract only se...

2 years ago | 1 answer | 0

### 1

Question

two variable in same For loop
Hi can you please help me with this problem . i want to get two variable change in same time with one another variable . fo...

2 years ago | 1 answer | 0

### 1

Question

how can i create only the Matrix index
Hi i would like to create two variable that represent the matrix index of any size of matrix for example if i have matrix ...

2 years ago | 1 answer | 0

### 1

Question

specify two matrix in same time
Hi every one i have this problem if you can help me with for example : A=5; AA=[1 2 3;4 5 6;7 8 9]; B=7; BB=[1...

2 years ago | 1 answer | 0

### 1

Question

how can i put specific limitation of the output of function in optimization tool algorithms
Hi all can any one help me , i have equation regarding about optimization. for example clear all clc fun = @(...

2 years ago | 1 answer | 0

### 1

Question

Choose one optimal value in gamultiobj optimization algorithm
Hi can you help me please , i want to make optimization in multi objective function as this example function y = simple...

3 years ago | 0 answers | 0

### 0

Question

optimization in specifc range of boundary variable
Hi i need some help in my problem . i am working with optimization function (fmincon). i have specific number of boundary v...

3 years ago | 1 answer | 0

### 1

Question

Rise time and maximum over shoot
Hi all can any one help me please , i want to calculate the rise time and maximum over shoot directly in m-file for this figur...

3 years ago | 0 answers | 0

### 0

Question

force the x axis beginning from zero at the specific zone of plot after zooming
Hi all i have plot in matlab when i zoom in middle part on it the x axis took the data in that specific zone. is there any way...

3 years ago | 1 answer | 0

### 1

Question

generate pulse wave in different rise time
Hi i would like to generate pulse wave in different rise time how can i do that in matlab ? thank you

3 years ago | 1 answer | 0

### 1

Question

measure Rise time in matlab figure
Hi i have matlab figure (in attachment) . i got it from data , i would like to measure the rise time but i cant , can any one ...

3 years ago | 0 answers | 0

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Question

3D plot figure in matlab
hi all I have two figure in 3D, I want to make both of them together in one plot but the only Z axis is different in both of t...

4 years ago | 1 answer | 0

### 1

Question

Pulse Width Modulation inverter
Hi I have question regarding PWM inverter in matlab Simulink. how can I change the rise time for example in this simulation (p...

4 years ago | 0 answers | 0

### 0

Question

Practical swarm optimization algorithms
dear all i am using the PSO optimization tool but it gives me this error (Failure in user-supplied fitness function evaluatio...

4 years ago | 1 answer | 0

### 1

Question

save in .mat
Hi i have problem when i saved matrix in name (Ybustotal) in 3D (609*609*1024) the matlab gives me this massage Warning: Va...

4 years ago | 1 answer | 0

### 1

Question

particleswarm optimization in MATLAB
dear all i have an problem if any one can help me when i used any example of particle swarm optimization , this example fro...

4 years ago | 1 answer | 0

### 1

Question

7 variable in genetic algorithms
Hi i am working with genetic algorithms toll box in m file with 7 variable , options=gaoptimset('InitialPopulation',x0);...

4 years ago | 0 answers | 0

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Question

fminsearchbnd optimization function in matlab
i used fminsearchbnd for boundary problem but the matlab it tell me that Undefined function 'fminsearchbnd' can any one help m...

4 years ago | 4 answers | 0