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Numbers in extended form
Shhhhhhh. Don't tell my daddy, but I'm borrowing his Cody account so all of you very smart people can help me out. I just star...

5 years ago

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The Hills Are Alive...
After a long day of coding, you decide to get some fresh air and hike up a nearby hill. The hill isn't very tall, but since you...

5 years ago

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Lowest sum from a group of digits
Hi there. It's James's daughter here again, and my third grade math teacher is up to her old tricks. This time, she's giving u...

5 years ago

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Sleeping Queens 1
My youngest daughter received a card game named Sleeping Queens for Christmas this year, and has been playing it nearly non-stop...

5 years ago

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Probabilities - Balls and urns - 01
The urn contains B blue balls and R red balls. Each trial consists of drawing one random ball from the urn and observing its col...

5 years ago

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Number Puzzle - 075

5 years ago

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Number Puzzle - 076

5 years ago

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Number Puzzle - 077

5 years ago

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Number Puzzle - 078

5 years ago

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Number Puzzle - 079

5 years ago

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Number Puzzle - 080

5 years ago

Solved

Number Puzzle - 081

5 years ago

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Modified run-length companion vector
Given a vector x, return a vector that indicates the run length of any value in x. Each element in output vector shows how many ...

5 years ago

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geometric progression
I've modified my <http://uk.mathworks.com/matlabcentral/cody/problems/2800-arithmetic-progression previous program> so that it n...

5 years ago

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arithmetic progression
I've written a program to generate the first few terms of <https://en.wikipedia.org/wiki/Arithmetic_progression arithmetic progr...

5 years ago

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Find the average of a random sequance
Write a function that generates random integers within a loop, and calculates the mean of the positive numbers only. At each ...

5 years ago

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Count digits
Count total number of digits from 1 to n. * n=13 * output=17 since from [1-9] total 9 digits.[10-13] total 4*2=8 digits.

5 years ago

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Sieve of Eratosthenes - 02
"Sift the Two's and Sift the Three's, The Sieve of Eratosthenes. When the multiples sublime, The numbers that remain a...

5 years ago

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A KING AND 100 PRISONERS

5 years ago

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Unique dice configurations
Given a number of dice N and the number of sides on each die S, write a MATLAB function that will output how many unique permuta...

5 years ago

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Should Mr McNugget even get out of bed today?
As we learned in <http://www.mathworks.com/matlabcentral/cody/problems/42888-frobenius-mcnugget-factorization an earlier problem...

5 years ago

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Cryptography with A Square Matrix : Decoding
Previous Problem: <https://www.mathworks.com/matlabcentral/cody/problems/45279-cryptography-with-a-square-matrix-encoding Crypto...

5 years ago

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Find the relation
Take x as input and y as output. If x=1 y=3 If x=2 y=14 If x=3 y=39 If x=4 y=84 Based on this relation find giv...

5 years ago

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Find the coefficient of a number in scientifc notation
Given a non-negative real number N, find the coefficient C and the exponent E of its scientific notation (N = C 10^E). Note that...

5 years ago

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Get the combinations
Consider p,q = 2 vectors of same or different length. Get a Output Array which has all the possible combinations of Elements o...

5 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...

5 years ago

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Modulo of sum of square of first n primes with 24

5 years ago

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Mobius function
From <http://en.wikipedia.org/wiki/Möbius_function wikipedia>: For any positive integer n, define μ(n) as the sum of the prim...

5 years ago

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Sphenic number sequence
<http://oeis.org/A007304 Sphenic numbers> are positive integers that are products of three distinct prime numbers: 30, 42, 66, 7...

5 years ago

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Frobenius McNugget Factorization
Mr. Frobenius McNugget is a peculiar man. As you might expect, he likes to eat Chicken McNuggets. But his love of number the...

5 years ago