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

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

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

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

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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

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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

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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...

circa un mese ago

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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

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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

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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

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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

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

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

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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

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

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

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