# Awais Saeed

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**Content Feed**

How to select every 54th image in the folder?

I modified the code that I wrote for your last question as it might be easy to follow the same structure. % path to the folder...

ein Tag ago | 1

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How to apply multiple parameters function on all the matrices in the folder?

Read your .mat files Loop through them and find B Store that B array to a cell % path to the folder that contains .mat files ...

2 Tage ago | 1

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I want to change the size of T so I can Add it to P2 (the size of T should be the size of P1 or the size of P2)

P1=[3 2 4;2 1 1;5 2 3;2 3 7]; P2=[2 6 1;1 3 5;4 2 1;5 2 1]; P1_Zero=pinv(P1); T=P1_Zero*P1; % create a new matrix of dimen...

2 Tage ago | 0

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how to develope loop to save the 'n' elements from the vectors

Although it is not prefered to name variables in a loop but if you striclty want to do this in loops than you can use eval(). No...

3 Tage ago | 1

How to Copy Upper diagonal elements of matrix A into a new matrix.

A= [1 2 3 4; 2 1 3 4; 1 1 1 2; 1 0 0 1] M = zeros(size(A)); for row = 1:1:size(A,1) for col = row:1:size(A,2) M(row,col...

4 Tage ago | 0

BER Calculation of BPSK for custom demodtalor IP core

use biterr() and semilogy() to find bit errors and to plot BER curve clc clear close all % generate data to send x = 4*rand...

5 Tage ago | 0

how to convert vector char to matrix char ?

How about using cell? X = 'ABCDEFGHIJKLMNOPQRSTWXYZ'; v = cellstr(num2cell(X)) By now you use access cells as v{2}, v{4} etc....

5 Tage ago | 0

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How to create a vector of symbolic variables with specific labeling

Not the best way but will work good enough for small vectors vsym = sym('x',size(v)); for col = 1:1:size(v,2) char_str = ...

6 Tage ago | 0

i want two responce on same plot

Try figure hold on step(g, 'r') title('approximate responce') step(c, 'g') grid on legend('step(g)', 'step(c)') or just ...

8 Tage ago | 0

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How to check if two elements are present in an array at once?

clc;clear all;close all; x = [1 5]; y = 2; used1 = [9 10]; A = [x y]; % concatenate x and y to check at once used1 = [used...

16 Tage ago | 0

how to form a matrix with non-numeral entries and then set conditions for each case

I have made some corrections in your code clc;clear all;close all NOH=3; NOC=2; Tetta=70*pi/180 A = {} for i=1:NOC+NOH ...

16 Tage ago | 0

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Creating a mxn matrix that is all zeros except for the middle row and middle column which are 1s

M = zeros(7,5) M(:,ceil(size(M,2)/2)) = 1 M(ceil(size(M,1)/2),:) = 1

21 Tage ago | 0

To find value of variable using iteration

What is your goal exactly? Do you want to find the value for x where the result is zero? You can find the roots using solve sym...

21 Tage ago | 0

I am getting wrong answer

You wrote a loop to run when err >= 20, its value is decreasing in the loop and when err<20 (in your case 10), why would it stil...

21 Tage ago | 0

The result of the operation in the calculator and the result of the operation in matlab are different

You must have missed a zero from Db. I am getting the same answer from MATLAB and calculator that is 2145.833333

22 Tage ago | 3

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Naming cells in for loop

You want to create a cell array with 10 cells? If yes then use for i=1:10 c{i} = cell(2,1); end If you meant you want to...

22 Tage ago | 0

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How to subtract corresponding elemets of corresponding columns of two matrices?

"each column of fisrt column P1 is being subtracted from corresponding elemt of Q1". That's a confusion. You meant rows, right?...

22 Tage ago | 0

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Find returns empty with inconsistent size

This command is for vectors and matrices. find(X > 0) returns the indices of the array X where elements are greater than zero. I...

23 Tage ago | 0

Why do I receive Index exceeds the number of array elements (1)?

Your L = 10(a scaler). After second iteration, i = 2 and L(2) does not exist. That is why you are seeing that error. Secondly, o...

24 Tage ago | 0

How can I convert double value to cell?

There are multiple ways t = magic(5); % double % method one. Convert single element x = t(1,2) x = num2cell(x) % method...

24 Tage ago | 0

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Decrementing step for loop I matlab

% start, step, and end points starty = 1; endy = 12; startx = 10; endx = 2; decrement = -1; y = zeros(1,12); for i = s...

25 Tage ago | 1

How to print numbers 1 to 4 and add all numbers to a one array?

Perhaps this is what you want for col =1:1:4 disp(col) a(col) = col; end disp(['a = ',num2str(a)])

26 Tage ago | 0

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How to create array from saved iterations of a loop

Just store them column by column for jj = 1:1:5 x(jj) = jj end

26 Tage ago | 0

Replace empty string with NaN in a cell

clc;clear;close all; A={ "20" "25" "25" [] "20" [] "25" "25" "25" "30"} % get locations of empty cell elements idx = cellfun(...

26 Tage ago | 0

Create a struct from two cell arrays

keys = {'n', 'key12', 'key13','key14'}; values = {10, 1 1 , 'Hello'}; names = {'f1', 'f2', 'f3', 'f4'}; args=[names;values...

27 Tage ago | 0

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How does reshape function work? and also how to use sum(A,dim) in the code?

clc;clear;close all % In reshape, the first parameter is the matrix you want to reshape % Second parameter is number of rows ...

27 Tage ago | 1

Specific conditions for array elements

Fairly simple clc;clear;close A=randi(20,5); B = A; % get indices B1 = find(B == 10); B2 = find(B > 10); B3 = find(B < ...

27 Tage ago | 1

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highlight plot with circle

I do not know if its possible programmatically but you can acheive this using the Insert option of figure window

27 Tage ago | 0

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copying specific elements of an array to another.

y = reshape(randn(3)/100,1,[]); idx = 0; for col = 1:1:size(y,2) if (y(col) > 0.001) idx = idx+1; g(idx...

28 Tage ago | 1

Getting error message ' Index in position 1 exceeds array bounds ( must not exceed 4), error in line 7.

You are storing only one element in E. Perhaps you want to copy elements of A into E element by element. A = magic(5) for m=1:...

28 Tage ago | 0

| accepted