Community Profile # Johan Pelloux-Prayer

Last seen: 2日 前 2021 以来アクティブ

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Sums of cubes and squares of sums
Given the positive integers 1:n, can you: 1. Compute twice the sum of the cubes of those numbers. 2. Subtract the square...

18日 前

Relative ratio of "1" in binary number
Input(n) is positive integer number Output(r) is (number of "1" in binary input) / (number of bits). Example: * n=0; r=...

19日 前

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

20日 前

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 ...

20日 前

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

20日 前

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 ...

20日 前

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

20日 前

How to plot multiple circles within a circle by using a for-loop for radius/center position?
Hi, I have been working with somewhat similiar plotting needs. To plot circles I used the polyshape built-in function with the ...

21日 前 | 0

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

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

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

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

Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

Strange result of find function
Hello, I noticed a strange results of the find function today. I am using the find function to extract the indices of a time s...