# Ali Tawfik

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**Content Feed**

Question

While loop not giving the correct answer

Hi All, the code below is running, HOWEVER the results are incorrect, My condition in while is running but with wrong number...

ongeveer 2 jaar ago | 1 answer | 0

### 1

answerQuestion

While loop keep running (logical with vector )

Hi all, My while loop running without stopping, I wanna it run until reach to logical function of a equal or smaller than 10...

ongeveer 2 jaar ago | 2 answers | 0

### 2

answersQuestion

For loop with random value to select from an array

Hi.. I would like to select random values each iteration (some of them will be repeated )how could I do that ? The output shou...

meer dan 2 jaar ago | 1 answer | 0

### 1

answerQuestion

Create new array with repeated values (error k must be less than or equal to N)

Trying to create a new array with repeated values .. I tried randperm but can not , as k must be less than or equal to N clear...

meer dan 2 jaar ago | 1 answer | 0

### 1

answerQuestion

Generic selection (randomly selection) from two matrices

I am trying to select random values from angle_pss and thick_pss ? How could I do the selection randomly like choose 1st index ...

meer dan 2 jaar ago | 0 answers | 0

### 0

answersQuestion

Adjust the output parameters based on different inputs (Obtain the optimum values)

Hi All, The main aim of this code was to optimise both the angles (named as angle in the code) and the thicknesses (named as t...

meer dan 2 jaar ago | 0 answers | 0

### 0

answersQuestion

Help in understanding the chart of the code (how to find the optimum value)

I would like to implement the flow chart I attached : starting from block 9: I do not know how to implement and choose the opti...

meer dan 2 jaar ago | 0 answers | 0

### 0

answersQuestion

Find optimum value to fit with the answer

Hi all, I would like to know how to find an optimium value to reach or fit with the final result even if I change other varia...

meer dan 2 jaar ago | 1 answer | 0

### 1

answerQuestion

Get all the values from a two (for loop)

I am running two for loops with means it run 5*5.. Later the size of x will be (1,5) however; the x runs more than that!!! Ca...

meer dan 2 jaar ago | 2 answers | 0

### 2

answersQuestion

Understanding Index for loop

I am new to Matlab, and I would like to understand the following index in for loop ... I understand the indices of the values ...

meer dan 2 jaar ago | 1 answer | 0

### 1

answerQuestion

reduce vector each loop

I am trying to reduce the vector length backward each loop, like the following: I think I should use for loop but i can not figu...

meer dan 2 jaar ago | 1 answer | 0

### 1

answerQuestion

Assigning or replacing elements of another array into an array based on indices

Hi, I am trying to replace or assign elements into another array based on indices, I did it but only with only element, I can ...

meer dan 2 jaar ago | 1 answer | 0

### 1

answerQuestion

create array and assign the values to proper locations

I would like store each value and add them to the previous to create an array ... expected result should be= [-8 0 0 0 0 0 0 8]...

meer dan 2 jaar ago | 1 answer | 0

### 1

answerQuestion

create plot with slice

Hi, I am wondering if I have two values x=[1,2,3,4,5,6,7] y=[10,20,22,25,30,35,37] I understand, it does NOT work like tha...

meer dan 2 jaar ago | 1 answer | 0

### 1

answerQuestion

Creating multidimensional table from multidimensional array

Hi, I have some 3D arrays, and I would like to obtain/create table for each dimension, I could do it but I wanna it to operate...

meer dan 2 jaar ago | 1 answer | 0

### 1

answerQuestion

Find Unique values in array

Hi all, I am trying to create a new array contains ONLY the unique values (same values but not repeated) which in the followin...

meer dan 2 jaar ago | 1 answer | 0

### 1

answerQuestion

Obtain specific dimension from multidimensional Arrays

Hi All, I am trying to create a new variables based on multidimensional array obtained, for the simplicity I just got the part...

meer dan 2 jaar ago | 1 answer | 0

### 1

answerQuestion

Add various horizontal lines to a plot Matlab 2016a

clear all; clc; close all x=[33.5 44 55 69 106 143 123 49 -25]; y=[61.8 53 45 73 77 81 156 68 -18]; z=[-7.5 -5 -2.5 -2.5...

meer dan 2 jaar ago | 2 answers | 0

### 2

answersQuestion

Assign one name to three variables in table

clear all; t=[33;69;12;13;14;15] u={'High';'M';'LOW'} num=2 y=repmat(u,num,1) i=[0;45] ii=repelem(i,3) yy = table(ii,y,t)...

meer dan 2 jaar ago | 1 answer | 0

### 1

answerQuestion

Repeat some elements in a vector

clear all; u={'High';'M';'LOW'} y=repelem(u(1:3),2) % would like the output y=[high;M;LOW;high;M;Low] I am trying to use r...

meer dan 2 jaar ago | 1 answer | 0

### 1

answerQuestion

Undefined operator '==' for input arguments of type 'cell'.

Hi all, I using MatLab 2016a and I am trying to create if loop however, always get the following error "Undefined operator '=...

meer dan 2 jaar ago | 1 answer | 0

### 1

answerQuestion

Sum with a for loop of each 2 elements

Hi All, I have been trying to get the sum of each two elements: for example: I have x=[50 200 20], I need to have the output...

meer dan 2 jaar ago | 1 answer | 0

### 1

answerQuestion

Calculate centroid and length of a rectangular shape

Hi, I would like to obtain the distance with respect to the centriod (both distances 97.2 and 152.78) as shown in the figure...

meer dan 2 jaar ago | 0 answers | 0

### 0

answerscreate menu with input

I think you misunderstood me, because I would like to add (for loop , or while )to add for each index a command then store them ...

bijna 3 jaar ago | 0

Question

Matrix dimensions must agree error in FOR loop

Hi all, I am trying to do a conditional statement inside for loop, I got a very strange error of matrix dimensions must agree ...

bijna 3 jaar ago | 1 answer | 0

### 1

answerQuestion

create menu with input

Hey all, I have been trying to create menu with input command, I wanna the menu displays choices as buttons in a dialog box de...

bijna 3 jaar ago | 2 answers | 0

### 2

answersQuestion

create a matrix from matrix with zeros elements

I have a matrix obtained A=[ 1 2 3 4;5 6 7 8;9 10 11 12; 13 14 15 16]; So I just would like to obtain another matrix but with...

bijna 3 jaar ago | 2 answers | 0

### 2

answersQuestion

Can not assign data for each cell with xlswrite

Hi All, I have a vector and I am trying to write the data into excel, I used xlswrite, which seems working fine, but when I tr...

ongeveer 3 jaar ago | 0 answers | 0

### 0

answersQuestion

Repeat specific elements in vector with keeping the basic vector

Hi All, I have been trying to create a new vector based on old one, by repeating specific elements, I have been looking for ...

ongeveer 3 jaar ago | 1 answer | 0

### 1

answerQuestion

Addition to specified elements in a vector with for loop to create a new vector

Hi all, I am trying to add to specified elements in a vector to create a new one with the new values, however, unfortunately...

ongeveer 3 jaar ago | 1 answer | 0