Awais Saeed
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Content Feed
how to find the mininmum value in a double vector ?
You are half way there. Use [value, index] = min(vector)
ungefär 12 timmar ago | 1
While loop to find index of first element to be less than and greater than in a vector
Is it necessary to use a while loop? For loop works fine a = rand(20,1) for itr = 1:1:length(a) % iterate thorug...
12 dagar ago | 0
Colon Notation Function using Matrices
understand the syntax first. To access an element from a matrix, you need to provide the row and column in which it resides. % ...
12 dagar ago | 0
When you type m(1) or m(10) in the command window, what is happening?
Let's say you have an array of 10 elements arr = [1 2 5 4 7 0 3 6 1 9]; To access first element, you use arr(1) to access 5t...
12 dagar ago | 0
Where is the mistake of the ^? i can plot the graph without the ^ but it say i have mistake after adding the ^ or .^
exp^(cos) is incorrect. Use y_array1 = sin(x_array.^2).* exp(cos(x_array));
12 dagar ago | 0
| accepted
How to extract the 20th component of each row in a 5x25 matrix?
Very simple A = ceil(20*rand(5,25)); % 5x25 matrix A(:,20) % : means all rows, 20 means column # 20
13 dagar ago | 0
Code explanation (bw)
The (:) reshapes a matrix into a column vector. imageOutR = [zeros(1,3); 2 5 13; 0 1 2; 1 3 5] % 4x4 matrix for instance bw2 =...
14 dagar ago | 0
double2str and bin2str
Doing help bin2str % and help double2str did not show any results from which I assume there are no such functions. Use num2s...
14 dagar ago | 0
How to multiply 2 arrays by elements
A = [3-4j, 1+3j, 10+10j]; B = [4+5j, 2+1j, 0+0j]; A.*B
15 dagar ago | 0
| accepted
How do you create an array from input statements?
Something like this? for i = 1:1:5 arr(i) = input('Enter a number: '); end disp(arr)
15 dagar ago | 0
Why doesn't my code recognize the input function in the loop?
try this ctr = 0; for i = 1:1:3 numbers = input('Enter a number: '); if numbers ~= 0 ctr = ctr + 1; el...
16 dagar ago | 0
How to remove rows from structure based on value condition of field?
S.A = [1 2 3 4 5 6; 11 12 13 14 15 16; 21 22 23 24 25 26; 31 32 1 34 35 36]; S.B = ceil(50*rand(2,2)); S.C = "Some string"; S...
17 dagar ago | 0
how to use the output of a user defined function as the input of another user defined function?
num = 1:10; [S] = Addition(num) [M] = multiply(S) % pass output of function 1 as input to function 2 % function 1 function...
18 dagar ago | 0
How to delete all rows of a matrix wherever any value is invalid (999)?
M = [99 1 25 999; 10 1 2 6; 14 99 25 65; 99 1 2 9; 9 1 999 10] [row1,~] = find(M(:,1) == 99) % search for 99 in col1 [row2,~] ...
18 dagar ago | 0
how to plot Double y axis?
For version 2016a aor later, use yyaxis instead x = [1 6 10 15 22]; y1 = [2 6 8 10 15]; y2 = [99 97 94 92 89]; [hAx,hLine1...
18 dagar ago | 0
Am unable to wrap my head on this question regarding for loop , can someone explain the question and maybe write the code please.
Why use a loop if it can be done without it A = [1 2 3; 4 5 6; 7 8 9]; [sum_of_elements] = halfsum(A) function [sum_of_elem...
19 dagar ago | 1
| accepted
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...
2 månader ago | 1
| accepted
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 månader ago | 1
| accepted
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 månader ago | 0
| accepted
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...
2 månader 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...
3 månader 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...
3 månader 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....
3 månader ago | 0
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 = ...
3 månader 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 ...
3 månader ago | 0
| accepted
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...
3 månader 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 ...
3 månader ago | 0
| accepted
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
3 månader 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...
3 månader 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...
3 månader ago | 0
