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# Khalid Mahmood

##### Last seen: Today
88 total contributions since 2021

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

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Submitted

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

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

16 dagen ago | 1

| accepted

To find running average using vectorized method

16 dagen ago | 1

| accepted

Submitted

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

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...

17 dagen ago | 1

| accepted

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

17 dagen ago | 1

Solved

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

18 dagen ago

Solved

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 ...

18 dagen ago

Solved

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

18 dagen ago

Solved

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 ...

18 dagen ago

Solved

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

18 dagen ago

Solved

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

18 dagen ago

Solved

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

18 dagen ago

Solved

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

18 dagen ago

Solved

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

18 dagen ago

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] -...

20 dagen ago | 1

| accepted

Solved

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...

28 dagen ago

Solved

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.

29 dagen ago

Solved

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...

29 dagen ago

Solved

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

29 dagen ago

Solved

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...

29 dagen ago

Solved

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...

29 dagen ago

Solved

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....

29 dagen ago

Solved

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,...

29 dagen ago

Solved

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 = ...

29 dagen ago

Solved

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]

29 dagen ago

Solved

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...

29 dagen ago

Solved

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

29 dagen ago

Solved

Generate a vector like 1,2,2,3,3,3,4,4,4,4
Generate a vector like 1,2,2,3,3,3,4,4,4,4 So if n = 3, then return [1 2 2 3 3 3] And if n = 5, then return [1 2 2...

29 dagen ago

Solved

Maximum value in a matrix
Find the maximum value in the given matrix. For example, if A = [1 2 3; 4 7 8; 0 9 1]; then the answer is 9.

29 dagen ago