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**Content Feed**

Problem

Vector indexing: lower than mean

Find all values in a vector lower than the mean of the vector

4 years ago | 1 | 79 solvers

Problem

Resizing Matrices

Take an 4x3 matrix, and resize it to a 2x6 matrix

4 years ago | 0 | 87 solvers

Problem

Matrix Ax=B problem

Take a incoming A and B vector, and solve for x

4 years ago | 1 | 72 solvers

Problem

Matrix element wise multiplication

Take two incoming vectors, and multiply them element wise

4 years ago | 0 | 79 solvers

Problem

Matrix multiplication

Multiply two incoming matrices via matrix multiplication

4 years ago | 0 | 113 solvers

Problem

Find the index of the lowest number in a matrix

Take a matrix, and find the [row cal] index of the lowest number

4 years ago | 0 | 62 solvers

Problem

Replace 0 indices in array with 1's

Take a incoming vector, and replace 0's with ones

4 years ago | 0 | 74 solvers

Solved

Calculate the centroid of a triangle

Info: https://en.wikipedia.org/wiki/Centroid Example Input: x = [0 0 1]; % x-coordinate y = [0 1 0]; % y-coordinat...

4 years ago

Problem

Find the sum of the largest two elements in a vector

With this one, you have to find the two largest elements in a vector and output the sum of those numbers.

4 years ago | 0 | 80 solvers

Problem

Check if inputted variable is a string or a number

Check if a inputted variable is a number or a string, given a string input (i.e. '1' is 1 and thus a number, 'a' is a string).

4 years ago | 0 | 58 solvers

Problem

Find the mean of two vectors

Take two vectors, and output the mean of them (bonus if you don't use the in-built mean function)

4 years ago | 0 | 78 solvers

Problem

Matrix Generation from Vector Multiplication

Output the matrix generated from multiplying two vectors together

4 years ago | 0 | 64 solvers

Problem

Vector Element Multiplication

Take two incoming vectors, and output the element wise multiplication of the vectors.

4 years ago | 2 | 77 solvers

Problem

Simple Vector Addition

Take two incoming vectors and output the sum of the two vectors

4 years ago | 2 | 102 solvers

Problem

Automatic String Editing

In this function, you will take an incoming string, and output the same string with each character one letter later in the alpha...

4 years ago | 1 | 46 solvers

Problem

String Delimination and Outputting

In this problem, take an incoming string and deliminate the string based on spaces. Output the first string in between the space...

4 years ago | 1 | 45 solvers

Problem

More Simple String Concatenation

Take the first string input, reverse the order of the string from the end to beginning (i.e. apple becomes elppa), add a space a...

4 years ago | 0 | 52 solvers

Problem

Simple String Concatenation

This is a simple problem involving taking two incoming strings, and outputting the concatenated string with a space separating t...

4 years ago | 1 | 59 solvers

Solved

Area of an equilateral triangle

Calculate the area of an equilateral triangle of side x. <<http://upload.wikimedia.org/wikipedia/commons/e/e0/Equilateral-tr...

4 years ago

Solved

Length of a short side

Calculate the length of the short side, a, of a right-angled triangle with hypotenuse of length c, and other short side of lengt...

4 years ago

Solved

Roll the Dice!

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

4 years ago

Solved

Bottles of beer

Given an input number representing the number of bottles of beer on the wall, output how many are left if you take one down and ...

4 years ago

Solved

Too mean-spirited

Find the mean of each consecutive pair of numbers in the input row vector. For example, x=[1 2 3] ----> y = [1.5 2.5] x=[1...

4 years 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 = ...

4 years ago

Solved

radius of a spherical planet

You just measured its surface area, that is the input.

4 years ago

Solved

Distance walked 1D

Suppose you go from position 7 to 10 to 6 to 4. Then you have walked 9 units of distance, since 7 to 10 is 3 units, 10 to 6 is 4...

4 years ago

Solved

How to find the position of an element in a vector without using the find function

Write a function posX=findPosition(x,y) where x is a vector and y is the number that you are searching for. Examples: fin...

4 years ago

Solved

The Hitchhiker's Guide to MATLAB

Output logical "true" if the input is the answer to life, the universe and everything. Otherwise, output logical "false".

4 years ago