Solved

Integer Sequence - 1
Check the test suite to determine the relationship between input integer scalar and output integer scalar.

12 years ago

Solved

Sort the vector with the given index
Given x = [1 2 4 8 17] and t = [1 3 2 5 4] then y = [1 4 2 17 8].

12 years ago

Solved

Sum of the Matrix Elements
Add up all the elements in a NxM matrix where N signifies the number of the rows and M signifies the number of the columns. E...

12 years ago

Solved

Convert a vector into numbers
Suppose a vector x = [ 1 2 4 7] is given. You have to convert this vector into string number y = '1247'. Examples x = [ 1...

12 years ago

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What day is it?
Tell me what day is it. Return the full name of the day of the week as a string. e.g. It's June 12th 2014, so your function s...

12 years ago

Solved

Replace Nonzero Numbers with 1
Given the matrix x, return the matrix y with non zero elements replaced with 1. Example: Input x = [ 1 2 0 0 0 ...

12 years ago

Solved

Elements with highest local average
Input v is a row vector such that length(v)>3. Consider a sliding window of length 3 that is used to calculate the local average...

12 years ago

Solved

Test problem (times2)
This tests Cody's behavior when an assert is placed outside of a test cell

12 years ago

Solved

Tic Tac Toe Solver
Create a function that checks n number of tic tac toe boards housed in a 3x3xn matrix where the x's are represented as 1's (and ...

12 years ago

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N-Dimensional Sorting
Given two N-dimensional matrices A and B, first sort A in increasing order and then sort B with respect to the index of A. Y...

12 years ago

Solved

row-th maximum row elements
Input a is a square matrix of size n*n. Output vector v is of size 1*n. The ith element of output v is the ith largest element o...

12 years ago

Solved

Path calculation with polynomials
Let a vector x be the input to our function. 1. If a value of an input vector element x is lower than 0, set this value to 0....

12 years ago

Solved

Find maximum value of a curve
Two vectors shall be already defined: - Input vector x (e.g. x = 0:1:10) - Result vector y (e.g. y = sin(x)) Create a n...

12 years ago

Solved

Numbers spiral diagonals (Part 1)
Inspired by Project Euler n°28 et 58. A n x n spiral matrix is obtained by starting with the number 1 and moving to the right...

12 years ago

Solved

Sum of big primes without primes
Inspired by Project Euler n°10 (I am quite obviously a fan). With problem n°250 by Doug, you can find some global methods to ...

12 years ago

Solved

Calendar Matrix
Return a calendar matrix for the given values of month and year. Assume that Sunday is the first day of the week. The resulting ...

12 years ago

Solved

Find the number that has most primes those less than it
Given an vector x of integer numbers, find the element of x that has the most primes less than it.

12 years ago

Solved

Fourier Transform
Hi Matlab Users How do I solve in the below problem? If you help me about this problem, I'm too happy. I tried to write code ...

12 years ago

Solved

Fourier Transform
Hi Matlab Users How do I solve in the below problem? If you help me about this problem, I'm too happy. I tried to write code ...

12 years ago

Solved

Test within tolerance
Given a vector of experimental data, D, and a vector of truth data, T, return FALSE if any +/- errors (D-T) are outside a given ...

12 years ago

Solved

Pandigital number n°2 (Inspired by Project Euler 32)
After <http://www.mathworks.com/matlabcentral/cody/problems/2319 Problem 2319>. An n-digit number is pandigital if it makes u...

12 years ago

Solved

Pandigital number n°1 (Inspired by Project Euler 32)
A little warm-up to begin... An n-digit number is pandigital if it makes use of all the digits 1 to n exactly ONCE. For ex...

12 years ago

Solved

Combine Cards to make 21
Given between two and six cards, e.g. A _ 3 _ 7 _ 6 _ 2 place one of the mathematical symbols (+,-,*,/) in the space betw...

12 years ago

Solved

Spin Matrices
The spin of a particle is a fundamental property in quantum physics. We shall inspect below matrix representations of such spin...

12 years ago

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Distance of the centroids of the balls
Given *n* balls of radius *r* and the vector *p (nx3)* with all position *(x,y,z)* of the balls, return the symmetric matrix *A ...

12 years ago

Solved

Index of neighbor pixel with steepest gradient
Unlike in various applications, where the gradient of a two dimensional matrix is calculated in x and y direction, the gradient ...

12 years ago

Solved

Partial sorting algorithm
Return the top k elements of an input vector. A comparison function compareFcn(m,n) is provided to compare individual elements o...

12 years ago

Solved

Reverse the input
Given an input (n), produce an output in the reverse order with out using string variables or string function. Example x ...

12 years ago

Solved

Points on a circle.
This problem is related to <url=http://www.mathworks.com/matlabcentral/cody/problems/1283-points-on-a-sphere>Problem 1283, Point...

12 years ago

Solved

Open coded lock.
Guess the <hint://fliplr(anchortext) password> or break the <2314/solutions/new#test_suite_body lock>.

12 years ago