Solved

Power of n ?
Determine if x (positive integer) is a power of n, return true or false accordingly.

2 years ago

Solved

Check if equal
Return true if all the elements of an nD array are equal, false otherwise.

2 years ago

Solved

metre to feet converter
The idea is to make a converter, which exchange meters to feets. We use a factor of 1m = 3.281*1f. so 3m are equals to 9.843 m...

2 years ago

Solved

Rotate a matrix for 180 degree
Rotate a matrix for 180 degree for eg: x=[1 2 3 4] y=[4 3 2 1]

2 years ago

Solved

square of a number
find square of a given number

2 years ago

Solved

Sum two matrices
Take two incoming matrices, and sum them

2 years ago

Solved

Check to see if a Sudoku Puzzle is Solved
*Description:* Your task, should you choose to accept it, is to make a function that checks to see if a 9x9 matrix of integer...

2 years ago

Solved

Count up then down
Create a function that produces counting up from 0 up to n then down to 0 n=2 --> 0 1 2 1 0 n=3 --> ...

2 years ago

Solved

Negative Infinity
Round the given array a towards negative infinity.

2 years ago

Solved

Who invented zero?
We know the importance zero in computer science, mathematics... but who invented zero? Clue: He was the first in the line ...

2 years ago

Solved

Find the hypotenuse
Given a and b (the two sides of a right-triangle), find c, the hypotenuse.

2 years ago

Solved

Remove the two elements next to NaN value
The aim is to *remove the two elements next to NaN values* inside a vector. For example: x = [6 10 5 8 9 NaN 23 9 7 3 21 ...

2 years ago

Solved

Replace Nonzero Numbers with 1
Given the matrix x, return the matrix y with non zero elements replaced with 1. Example: Input x = [ 1 2 0 0 0 ...

2 years ago

Solved

Are all the three given point in the same line?
In this problem the input is the coordinate of the three points in a XY plane? P1(X1,Y1) P2(X2,Y2) P3(X3,Y3) how can...

2 years ago

Solved

High school cafeteria
Given an input vector of positive integers, return a row vector with the primes first (in increasing order) and the composites n...

2 years ago

Solved

Find out missing number from a vector of 9 elements
You are given a vector of size 9, x = [x1 x2 x3 x4 x5 x6 x7 x8 x9] Elements of x may be randomly selected without repeati...

2 years ago

Solved

Column norms of a matrix
Given a matrix M, return a vector y such that for each k y(k)=norm(M(:,k)) (y(k) is the Euclidean norm of the k-th col...

2 years ago

Solved

Create a vector whose elements depend on the previous element
The idea is to create a vector A whose elements depend on the previous element : *A(i+1) = 2*A(i)+1* *2 Inputs*: - A : The...

2 years ago

Solved

Replace every 3rd element in a vector with 4
x is a vector of undetermined length You are to replace every 3rd element with the number 4, example: x = [11 23 34 43 2 3...

2 years ago

Solved

Beginner's Problem - Squaring
Try out this test problem first. Given the variable x as your input, square it by two and put the result in y. Examples: ...

2 years ago

Solved

Determine the number of odd integers in a vector
Determine the number of unique odd integers in a vector. Examples: Input x = [2 5 8 3 7 1]; Output y = 4; Inp...

2 years ago

Solved

So many choices
For inputs _n_ and _k_ (in that order), output the number of ways that k objects can be chosen from amongst n distinct objects. ...

2 years ago

Solved

Getting logical indexes
This is a basic MATLAB operation. It is for instructional purposes. --- Logical indexing works like this. thresh = 4...

2 years ago

Solved

No Twins?
Write a function that accepts as input a vector and returns the same vector, but retaining only the first occurrence of an eleme...

2 years ago

Solved

Least common multiple of many numbers
1:6 -> 60

2 years ago

Solved

Find the sum of the elements in the "second" diagonal
Find the sum of the elements in the diagonal that starts at the top-right corner and ends at the bottom-left corner.

2 years ago

Solved

Love triangles
Given a vector of lengths [a b c], determines whether a triangle with non-zero area (in two-dimensional Euclidean space, smarty!...

2 years ago

Solved

first element of matrix
find the first elements of a column matrix

2 years ago

Solved

Convert Fahrenheit to Kelvin
Convert the value f in Fahrenheit to Kelvin

2 years ago

Solved

Temperature Conversion 2

2 years ago