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Khalid Mahmood


Last seen: alrededor de 1 mes hace Con actividad desde 2021

Coding, simulation and mex functions programming for various problems in Matlab. Especially image processing, computer vision and deep learning

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Pregunta


Every program in newer versions of Matlab runs slower, Why?
Every program in newer versions of Matlab runs slower and slower. I have measured with external stop watches also. And it does ...

alrededor de 2 años hace | 1 respuesta | 1

1

respuesta

Respondida
Image box or rectangle color
I hope you want this set(gcf,'Units','normalized') im=imread('peppers.png'); imshow(im); k = waitforbuttonpress; rect_pos =...

casi 3 años hace | 1

| aceptada

Enviada


Animate Greetings
This function displays animated greetings of your choice like Happy Birthday, etc. in a rotating marquee.

casi 3 años hace | 1 descarga |

Respondida
Matlab finds webcam, but says after running the code it is invalid
try these 3 commands: 1) clear all 2) imaqreset 3) Then a) cam =webcam b) preview cam

casi 3 años hace | 1

| aceptada

Respondida
To find running average using vectorized method
Check this https://www.mathworks.com/matlabcentral/answers/806006-defining-the-mean-of-a-values-inside-a-matrix?s_tid=srchtitle...

casi 3 años hace | 1

| aceptada

Enviada


Animate Happy Birthday
This function displays a Flower (actually large size character) and a rotating marque message 'Happy Birthday' with changing col...

casi 3 años hace | 7 descargas |

Respondida
Happy Birthday Animation with changing colors
I hope this will be great example for you function f=Animate(str,chr) %string that rotates along central character if nargin<2...

casi 3 años hace | 1

| aceptada

Respondida
Happy Birthday Animation with changing colors
Like Following? function f=Animate(str,chr) %string that rotates along central character if nargin<2 chr='🌺';%🕐🕑🕒🕓🕔🕕🕖🕗🕘 %...

casi 3 años hace | 1

Resuelto


Vector creation
Create a vector using square brackets going from 1 to the given value x in steps on 1. Hint: use increment.

casi 3 años hace

Resuelto


Doubling elements in a vector
Given the vector A, return B in which all numbers in A are doubling. So for: A = [ 1 5 8 ] then B = [ 1 1 5 ...

casi 3 años hace

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Create a vector
Create a vector from 0 to n by intervals of 2.

casi 3 años hace

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Flip the vector from right to left
Flip the vector from right to left. Examples x=[1:5], then y=[5 4 3 2 1] x=[1 4 6], then y=[6 4 1]; Request not ...

casi 3 años hace

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Whether the input is vector?
Given the input x, return 1 if x is vector or else 0.

casi 3 años hace

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Find max
Find the maximum value of a given vector or matrix.

casi 3 años hace

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Get the length of a given vector
Given a vector x, the output y should equal the length of x.

casi 3 años hace

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Inner product of two vectors
Find the inner product of two vectors.

casi 3 años hace

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Arrange Vector in descending order
If x=[0,3,4,2,1] then y=[4,3,2,1,0]

casi 3 años hace

Respondida
sum of series. Vectorised (no loop)
% To reduce 2 more lines function s=vsum(n) if nargin<1 s=1; return end if mod(n,2)==0, n=n-1;end s=1+sum(1./[3:2:n] -...

casi 3 años hace | 1

| aceptada

Resuelto


Piecewise linear interpolation
Given an Mx2 vector and a row of M-1 integers, output a two column vector that linearly interpolates Y times between each succes...

casi 3 años hace

Resuelto


Magic is simple (for beginners)
Determine for a magic square of order n, the magic sum m. For example m=15 for a magic square of order 3.

casi 3 años hace

Resuelto


Make a random, non-repeating vector.
This is a basic MATLAB operation. It is for instructional purposes. --- If you want to get a random permutation of integer...

casi 3 años hace

Resuelto


Roll the Dice!
*Description* Return two random integers between 1 and 6, inclusive, to simulate rolling 2 dice. *Example* [x1,x2] =...

casi 3 años hace

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Number of 1s in a binary string
Find the number of 1s in the given binary string. Example. If the input string is '1100101', the output is 4. If the input stri...

casi 3 años hace

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Return the first and last characters of a character array
Return the first and last character of a string, concatenated together. If there is only one character in the string, the functi...

casi 3 años hace

Resuelto


Getting the indices from a vector
This is a basic MATLAB operation. It is for instructional purposes. --- You may already know how to <http://www.mathworks....

casi 3 años hace

Resuelto


Check if number exists in vector
Return 1 if number _a_ exists in vector _b_ otherwise return 0. a = 3; b = [1,2,4]; Returns 0. a = 3; b = [1,...

casi 3 años hace

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Swap the input arguments
Write a two-input, two-output function that swaps its two input arguments. For example: [q,r] = swap(5,10) returns q = ...

casi 3 años hace

Resuelto


Reverse the vector
Reverse the vector elements. Example: Input x = [1,2,3,4,5,6,7,8,9] Output y = [9,8,7,6,5,4,3,2,1]

casi 3 años hace

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Length of the hypotenuse
Given short sides of lengths a and b, calculate the length c of the hypotenuse of the right-angled triangle. <<https://i.imgu...

casi 3 años hace

Resuelto


Return area of square
Side of square=input=a Area=output=b

casi 3 años hace

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