Solved

Given the variable x as your input, multiply it by four, then divide it by two. Then put the result in y.
If x = 5, y = 4*5/2 = 10

9 years ago

Solved

Zero Cross
Can you write a function counts the number of times(n) a signal(x) crosses zero or changes sign. Example x=[1 2 -3 -4 5 ...

9 years ago

Solved

Find the inverse permutation
Given a permutation vector perm (a vector of n elements containing all the elements from 1 to n in some order), return the permu...

9 years ago

Solved

Addition Partition
You will be given two numbers, N and K. Write a MATLAB function that will determine how many different unique ways you can have...

9 years ago

Problem

Addition Partition
You will be given two numbers, N and K. Write a MATLAB function that will determine how many different unique ways you can have...

9 years ago | 4 | 28 solvers

Solved

Increasing sub-sequence (Level 1)
Given a vector, v, of real numbers, return a positive integer, n, representing the longest contiguous increasing sub-sequence co...

9 years ago

Solved

Identify the sequence
Given a row vector, x, return 1 if it is an arithmetic series, or 2 if it is a geometric series. If it is neither, return 0. ...

9 years ago

Solved

Nth roots of unity
First, find the n nth roots of unity. eg if n = 6, find the n distinct (complex) numbers such that n^6 = 1. <https://en.wiki...

9 years ago

Solved

How Far Can You Throw Something?
As you probably learned in your high school physics class, throwing an object at a 45 degree angle will give you the maximum ran...

9 years ago

Problem

How Far Can You Throw Something?
As you probably learned in your high school physics class, throwing an object at a 45 degree angle will give you the maximum ran...

9 years ago | 1 | 56 solvers

Solved

Counting the Grand Primes
A grand prime pair is a pair of primes, p1 and p2=p1+1000, such that both numbers are prime. Like a twin prime pair, where the d...

9 years ago

Solved

Pseudo Square Root (Inspired by Project Euler 266)
Shamelessly copied from the Project Euler page for Problem 266: ------------- The divisors of 12 are: 1,2,3,4,6 and 12. T...

9 years ago

Problem

Pseudo Square Root (Inspired by Project Euler 266)
Shamelessly copied from the Project Euler page for Problem 266: ------------- The divisors of 12 are: 1,2,3,4,6 and 12. T...

9 years ago | 1 | 60 solvers

Solved

Look Up Mapping
Let the input is A = {[] [] [] [1] []}; B = {'A','B','C','D','E'}; Mapped Output = 'D';

9 years ago

Solved

Free-time Equation
Given a 7-day week, an *_nc_* -number of *_tc_* -hour classes, *_ta_* -hours awake in a day, and *_tw_* -hours that you work in ...

9 years ago

Solved

Find longest run
Write a function longest_run that takes as input an array of 0's and 1's and outputs the length and index of the longest consecu...

9 years ago

Solved

Transpose of matrix
Transpose of matrix as per test cases

10 years ago

Solved

Cellular Automaton | Rule X
Cellular Automata (CA) provide a convenient way to represent many kinds of systems in which the values of cells (either 0 or 1) ...

10 years ago

Solved

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...

10 years ago

Problem

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...

10 years ago | 1 | 13 solvers

Solved

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...

10 years ago

Solved

Rotate Matrix @180 degree
Rotate Matrix @180 degree Example A=[8 1 6; 3 5 7; 4 9 2], then answer would be [2 9 4;...

10 years ago

Solved

Assignment Problem
Given a matrix where row i corresponds to person i, and column j corresponds to task j and cell (i,j) corresponds to the time ta...

10 years ago

Solved

Multiply by 3
There are many ways to obtain 3 times a number. You could multiply by 3, add the number 3 times, multiply by 6 and then subtract...

10 years ago

Solved

Find the sum of n squares
What is the sum of the squares of the first n integers?

10 years ago

Solved

Replace values out of an interval with the lower or upper values
For a vector or matrix X and an interval [n1,n2], the function replace every element of x inferior to n1 by n1, and every elemen...

10 years ago

Solved

Values in Array
How many values are in the array

10 years ago

Solved

Kurchan 4x4 - Optimal score
Related to Problem 1646, but bigger. Technically, all you need to do for this Cody problem is input a 4x4 matrix containing the...

10 years ago

Solved

Block average ignoring NaN values
Given a matrix, calculate the block average of each disjoint sub-matrix while ignoring *NaN* values. Assume that the size of the...

10 years ago

Solved

Block average
Given a matrix, calculate the block average of each disjoint sub-matrix of the same size. Assume that the size of the matrix alo...

10 years ago