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Mean number of letters per word (Easy)
Given a character array, s, representing a sentence, return a, the arithmetic mean of the number of letters per word in the give...

4 years ago

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Sum Sum Sum!
Calculate the sum of the natural numbers from 1 to n

4 years ago

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factorial
calculate x!

4 years ago

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

4 years ago

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Create a "+" flag
Given two odd numbers, [m, n], return a matrix of size m x n which has all elements of the centre column and centre row set as 1...

4 years ago

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All Humans are Created Equal - Pareto Equality
One way or the other two sets of identical types can come out ahead of the other by idea of Pareto equality. Pareto equality b...

4 years ago

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Cannibal eating odd and even numbered men
There are N men in a queue. A cannibal eats either all odd-numbered or all even-numbered men in the queue at a time. In the fi...

4 years ago

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SAY 'OHYEAH'
Regardless of input, output the string 'OHYEAH'.

4 years ago

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Check prime numbers
Let x, return 1 if x is a prime number, 0 otherwise e.g x = 7, return y =1; x = 6 return y = 0;

4 years ago

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Perimeter of a square!
Calculate the circumference of the square whose side is n

4 years ago

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Singular Value Decomposition
Calculate the three matrices of the singular value decomposition (A = U*S*V^T) for each provided matrix. U and V are square unit...

4 years ago

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Next lexicographic - permutation
Find next lexicographic - permutation (permutations as it would occur in a dictionary order). E.g: nextP('ABCD') = ABDC I...

4 years ago

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Calculating large fibonacci numbers
The fibonacci sequence starts 1,1,2,3,5,8... Find the the n'th fibonacci number. Then calculate round(log10( . )) of that n't...

4 years ago

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Mid-term report
You just got your mid-term report, but it's full of ones and twos :(. So before you give it to your parents, you change it, in o...

4 years ago

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Anagram
Given two strings, check whether they're anagrams to each other or not.

4 years ago

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The Tortoise and the Hare - 01
Suppose in an infinitely long line, the hare is standing in position 0. From that place, it can jump either in the +ve direct...

4 years ago

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Frugal number
check whether n is a frugal number * a frugal number is a natural number in a given number base that has more digits than the...

4 years ago

Solved

Iccanobif numbers 1
There are a lot of problems in Cody that deal with Fibonacci numbers (1, 1, 2, 3, 5, 8, 13, 21 etc...) so let's turn things arou...

4 years ago

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Project Euler: Problem 11, Largest product in a grid
What is the greatest product of _k_ adjacent numbers in the same direction (up, down, left, right, or diagonally) in a _n×n_ gri...

4 years ago

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Cantor counting
Find the nth cantor's rational number. the sequence is given below in the link. Sequence: 1/1,1/2,2/1,3/1,2/2,1/3,1/4... ... .....

4 years ago

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check whether a number is a pentatope number
<https://oeis.org/A000332>

4 years ago

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generate nth pentatope number
https://en.wikipedia.org/wiki/Pentatope_number

4 years ago

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Highly divisible triangular number (inspired by Project Euler 12)
Triangular numbers can be calculated by the sum from 1 to n. For example, the first 10 triangular numbers are: 1, 3, 6, 10, ...

4 years ago

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Large Sum (inspired by Project Euler 13)
Your function will be provided an arbitrary number of numbers of arbitrary sizes as a cell array of strings. Some numbers will b...

4 years ago

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Given a vector x, return vector y with all negative elements from the vector x.
Given a vector x, return vector y with all negative elements from the vector x if x has negative elements. Otherwise return 0. ...

4 years ago

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to the 2 all elements
to the 2 all elements

4 years ago

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You never ask a lady her age
Instead you ask her to multiply her age by 10, then subtract any of the first nine multiples of 9 (9,18,...,81), and tell you th...

4 years ago

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An Ohm's Law Calculator
*BACKGROUND / MOTIVATION:* Many important observations in math and science can be described by short, but powerful, equations...

4 years ago

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Return all matrix elements except elements on diagonal
Consider a given Matrix A=[a b c; d e f; g h i] then return a row vector T such that it contains all the El...

4 years ago

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Find argmax of a function
You are given vectors x and y (=f(x)). Return the element of x for which f(x) is maximized.

4 years ago