Problem

Sums of Distinct Powers
You will be given three numbers: base, nstart, and nend. Write a MATLAB script that will compute the sum of a sequence of both ...

8 years ago | 6 | 156 solvers

Problem

Pandigital Multiples of 11 (based on Project Euler 491)
A "Pandigital number of order X" is one that contains all of the numbers from 0 to X, but with no leading zeroes. If X>9, the c...

8 years ago | 5 | 53 solvers

Problem

Breaking Out of the Matrix
Do you want to take the Red Pill, or the Blue Pill? If you take the Blue Pill, you will simply pass along to the next problem...

8 years ago | 9 | 376 solvers

Problem

Tick. Tock. Tick. Tock. Tick. Tock. Tick. Tock. Tick. Tock.
Submit your answer to this problem a multiple of 5 seconds after the hour. Your answer is irrelevant; the only thing that matte...

8 years ago | 14 | 956 solvers

Problem

Sums of Multiple Pairs of Triangular Numbers
This is a follow-up to Problem 44289 - Find two triangular numbers whose sum is input. There are some numbers that are the su...

8 years ago | 1 | 245 solvers

Solved

Save variables
a=[1] Save variable a that is located in workspace into current folder. File name should be 'a.mat'

8 years ago

Solved

Code breaker, Part II: Operation Orthos
You have been tasked with decoding a several batches of coded messages that have been intercepted. Based on previous intell...

8 years ago

Solved

sum all digits
input = 123456789, output = 1+2+3+4+5+6+7+8+9 = 45

8 years ago

Solved

Challenging perms function!
This problem is highly related with <http://www.mathworks.com/matlabcentral/cody/problems/1127-decrypt-a-secret-message Problem ...

8 years ago

Solved

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

8 years ago

Solved

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...

8 years ago

Solved

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...

8 years ago

Solved

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...

8 years ago

Solved

Simple Vector Addition
Take two incoming vectors and output the sum of the two vectors

8 years ago

Solved

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

8 years ago

Solved

Matrix Generation from Vector Multiplication
Output the matrix generated from multiplying two vectors together

8 years ago

Solved

Vector indexing: lower than mean
Find all values in a vector lower than the mean of the vector

8 years ago

Solved

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

8 years ago

Solved

Matrix Ax=B problem
Take a incoming A and B vector, and solve for x

8 years ago

Solved

Matrix element wise multiplication
Take two incoming vectors, and multiply them element wise

8 years ago

Solved

Matrix multiplication
Multiply two incoming matrices via matrix multiplication

8 years ago

Solved

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)

8 years ago

Solved

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).

8 years ago

Solved

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.

8 years ago

Solved

Component area
Find the area of the component below, all measurements are in mm <<https://image.ibb.co/hocruF/Component.png>>

8 years ago

Solved

Divide by 4
Given the variable x as your input, divide it by four and put the result in y.

8 years ago

Solved

Find the sum of the negative elements under the main diagonal.
Example Input A=[1 2; -3 0] Output -3

8 years ago

Solved

Add Me To Death (Sum sum sum)
Given certain vector, sum of the input vector, get the sum of 2 adjacent numbers in the input, and sum of the output vector (wh...

8 years ago

Solved

Calculate solution of given polynomial
For example, y=function([3 -2 -4]) In here, input vector indicate 3*x^2-2*x-4, y is solution of former equation. y=[1.5...

8 years ago

Solved

Calculate the hypotenuse of a right triangle without using ^ and sqrt ()
Find out the hypotenuse of right triangle. Say a = 4, b = 3 then c = 5 Please don't use ^ and sqrt() function.

8 years ago