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Muhamed Sewidan


Last seen: 1 giorno ago
46 total contributions since 2019

Muhamed Sewidan's Badges

  • Introduction to MATLAB Master
  • Thankful Level 2
  • Solver

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Question


How to draw multiple surface plots on the same mesh?
I use this code to draw a Gaussian normal distribution. I want to plot several distributions at equal distance from the original...

17 giorni ago | 1 answer | 0

1

answer

Question


How to calculate the diameter of 3D Gaussian normal distribution?
I want to calculate the diameter of this gaussian distribution. Is there any simple mean to do so?

18 giorni ago | 1 answer | 0

1

answer

Question


Any code for Gaussian beams diffraction through a rectangle aperture?
Suppose I have a rectangle aperture and I want to make Gaussian beams to sufficiently sample this aperture. Is there any code to...

22 giorni ago | 0 answers | 0

0

answers

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.

circa un mese 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...

circa un mese ago

Solved


Create times-tables
At one time or another, we all had to memorize boring times tables. 5 times 5 is 25. 5 times 6 is 30. 12 times 12 is way more th...

circa un mese ago

Solved


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

circa un mese ago

Solved


Determine whether a vector is monotonically increasing
Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...

circa un mese 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...

circa un mese ago

Solved


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

circa un mese 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....

circa un mese ago

Solved


Finding Perfect Squares
Given a vector of numbers, return true if one of the numbers is a square of one of the other numbers. Otherwise return false. E...

circa un mese ago

Solved


Sum all integers from 1 to 2^n
Given the number x, y must be the summation of all integers from 1 to 2^x. For instance if x=2 then y must be 1+2+3+4=10.

circa un mese ago

Solved


Swap the first and last columns
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...

circa un mese ago

Question


Can I simulate this example (diffraction pattern) on my CPU not my GPU?
I tried to apply this example but it doesn't work, because I don't have an external Nividea GPU, I have an intel internal GPU. ...

circa 2 mesi ago | 1 answer | 0

1

answer

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,...

circa 2 mesi 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]

circa 2 mesi 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 = ...

circa 2 mesi ago

Solved


Calculate Inner Product
Given two input matrices, |x| and |y|, check if their inner dimensions match. * If they match, create an output variable |z|...

circa 2 mesi ago

Question


How to simulate an irradiance of beamlets recombination after emerging from a square aperture, in MATLAB?
I want to simulate (in 3D) the irradiance of several beamlets recombined together after emerging from a square aperture, knowing...

2 mesi ago | 0 answers | 0

0

answers

Solved


Find the Oldest Person in a Room
Given two input vectors: * |name| - user last names * |age| - corresponding age of the person Return the name of the ol...

2 mesi ago

Solved


Calculate Amount of Cake Frosting
Given two input variables |r| and |h|, which stand for the radius and height of a cake, calculate the surface area of the cake y...

2 mesi ago

Solved


Convert from Fahrenheit to Celsius
Given an input vector |F| containing temperature values in Fahrenheit, return an output vector |C| that contains the values in C...

2 mesi ago

Solved


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

2 mesi ago

Solved


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

2 mesi ago

Question


How to find the exact index(row, col) of a maximum value in a matrix?
I want to find the maximum value in an image, I tried to find its index and I found it after converting the image matrix into a ...

3 mesi ago | 1 answer | 0

1

answer

Question


Cody gives me error for my solution whereas MATLAB run it efficiently
I tried to solve some problem in Cody. I wrote that function and run it in MATLAB and it worked perfectly. While it gives me err...

3 mesi ago | 0 answers | 0

0

answers

Question


How can I use some downloaded function?
I downloaded some functions files with a script file from Mathworks website. Every time I run this script, it tells me that thes...

3 mesi ago | 2 answers | 0

2

answers

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...

3 mesi 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. <<http://upload....

4 mesi ago

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