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Solved
Play Tic-Tac-Toe: Easy Bots
Interactive Tic-Tac-Toe game versus the test suite algorithms. The contest will be 50 games of Computer first and 50 games of...
7 hours ago
Solved
Solve the picross! (Easy)
Solve the picross! <http://en.wikipedia.org/wiki/Nonogram> The arguments (horz and vert) are cells containing the clues, e...
7 hours 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 ...
2 days ago
Solved
Word Search Solver
There are n words (minimum of three letters in each word) supplied with a given word search board. The answer will contain n row...
2 days ago
Solved
GJam 2014 China Rd B: Sudoku Checker
This Challenge is derived from <http://code.google.com/codejam/contest/2929486/dashboard#s=p0 GJam 2014 China Sudoku>. Large Cas...
2 days ago
Solved
Hangman (easy)
What is the best letter to start a <http://en.wikipedia.org/wiki/Hangman_(game) hangman> game with? You are given a cell arra...
2 days ago
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Where the Four Corners Am I? (Vectorized)
NOTE: this problem is intended to build on problem #55960 ("Where the Four Corners Am I?"). You may wish to solve that problem f...
2 days ago
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Bit calculation
Give me the count of numbers from 1 to n having their last two bits as 0. For example function y = ret_count(4) y = x...
1 month ago
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Mysterious digits operation (easy)
What is this digit operation? 0 -> 0 1 -> 9 121 -> 9 44 -> 6 15 -> 5 1243 -> 7 ...
1 month ago
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Range Resolution of a Pulsed Radar
A pulsed radar transmits a rectangular pulse with duration tau seconds. Given the pulse duration, compute the radar range resolu...
2 months ago
function introspection argument validation
It sounds like you're describing inputname? https://www.mathworks.com/help/matlab/ref/inputname.html
2 months ago | 2
| accepted
Solved
Math with Roman Numerals
Given a function R within (+,-,*,/) and two Roman numerals a & b, compute aRb in Roman numerals.
2 months ago
Solved
Find similar sequences
Another problem inspired by a question on the <http://www.mathworks.com/matlabcentral/answers answers> forum. Given a matrix ...
2 months ago
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Sum of odd numbers in a matrix
Find the sum of all the odd numbers in a matrix. Example x = [2 3 5 7 1 4 11] y = 27
2 months ago
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Largest territory
Determine whose territory is largest. If there are multiple numbers tied for the largest territory, return the smallest number. ...
2 months ago
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How unique?
Sometimes, when we check unique entries of vector we would like to know how many times each value occurs. Given vector of num...
2 months ago
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counting groups!
This problem is about counting groups. Example If you have x: x = [0.8 0.8 0.8 0.3 0.3 0.4 0.5 0.6 0.6 0.9] then a...
2 months ago
Solved
Find the index of n in magic(n)
If input n=5, then magic(n) is 17 24 1 8 15 23 5 7 14 16 4 6 13 20 22...
2 months ago
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Time Expansion
How can you slow down any discrete-time signal? Example Input original signal x. x = [1 2 3 -1 -2 -5 -4] We want t...
2 months ago
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Tridiagonal
Return an n-by-n matrix that has a, b, c as the subdiagonal, main diagonal, and superdiagonal entries in the matrix. Example ...
2 months ago
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expand intervals vol.2
Similar to problem <http://www.mathworks.co.uk/matlabcentral/cody/problems/2528 2528>. This is a more general case, when bounds ...
2 months ago
Solved
expand intervals
You're given a row vector of an even number of monotonically increasing integers. Each pair of consecutive integers is the lower...
2 months ago
Solved
Back to basics - mean of corner elements of a matrix
Calculate the mean of corner elements of a matrix. e.g. a=[1 2 3; 4 5 6; 7 8 9;] Mean = (1+3+7+9)/4 = 5
2 months ago
Solved
Sort numbers by outside digits
Sort the array so that they are sorted as if their value was a 5 digit number made from the first three and last two digits of t...
2 months ago
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Finding neighbors of [-1:1] in a matrix....
Hello All! Well I found this one fun to figure out, all you have to do is make a matrix of 1's or 0's (true or false) that sh...
2 months ago
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Find the maximum two numbers of every column of a matrix
Find the maximum two numbers of every column of a matrix. Example: If we input a matrix A = [ 1 2 4 6 0 3 ...
2 months ago
Solved
Replace pattern 0 1 0 and 1 0 1
Find and replace a pattern in a row of zeroes and ones. * Find 1 0 1 and replace it with 1 1 1 * Find 0 1 0 and replace it w...
2 months ago
Solved
Another colon problem
This is simple problem based on problems 555, 801, 1118, etc. Create an index vector from two input vectors. Example: ...
2 months ago
