A résolu
Sort (high on middle, low on ends)
Sort the vector of numbers in order low-high-low. Even numbers appear in ascending order on the left and odd numbers appear in d...
environ 13 ans il y a
A résolu
Kurchan Square - Evaluation Function
Evaluate a Kurchan square. An NxN square with values 1:N^2. Given a square matrix determine the products of each row, column,...
environ 13 ans il y a
Publié le
Printing Math
What is this shape? Can you guess? It may look like a dirty sock, but I promise that it’s not. Paul Kassebaum, who recently...
environ 13 ans il y a
A résolu
Criss-Cross Verification: NHL
This Challenge is to verify a Criss-Cross matrix has no invalid words,contains all of the word set, and all are simply connected...
environ 13 ans il y a
Publié le
Recap of the UK Student Robot Challenge
Robot competitions are in the air these days, what with the recent Battlebots competition in Massachusetts and the earlier...
environ 13 ans il y a
Réponse apportée
regular expressions resources and regular expression problem
Another way to get good at regular expressions is to practice on Cody with <http://www.mathworks.com/matlabcentral/cody/?term=ta...
regular expressions resources and regular expression problem
Another way to get good at regular expressions is to practice on Cody with <http://www.mathworks.com/matlabcentral/cody/?term=ta...
plus de 13 ans il y a | 1
Publié le
Data Tips on MATLAB Mobile
It has been a while since we last talked about displaying data tips on MATLAB Mobile. The data cursor feature has since...
plus de 13 ans il y a
Problème
Beads on a Necklace (Convex Hulls)
We may describe a <http://en.wikipedia.org/wiki/Convex_hull convex hull> as a rubber band stretched around a list of points. Som...
plus de 13 ans il y a | 2 | 58 solveurs
A résolu
Is it an Armstrong number?
An Armstrong number of three digits is an integer such that the sum of the cubes of its digits is equal to the number itself. Fo...
plus de 13 ans il y a
Publié le
Design Challenge: Autonomous Battlebots with Simulink
This week I welcome Dr. Paul Kassebaum to the blog. Paul is a physicist at MathWorks working to engage the public with...
plus de 13 ans il y a
Problème
Prime Ladders
A <http://en.wikipedia.org/wiki/Word_ladder word ladder> transforms one word to another by means of single-letter mutations. So ...
plus de 13 ans il y a | 10 | 59 solveurs
Publié le
Fun, learning, and drama at the MathWorks Student Robot Challenge
This week I’d like to introduce guest blogger Dr Tanya Morton. Tanya leads the Application Engineering team in the UK,...
plus de 13 ans il y a
Publié le
Challenge students with MATLAB practice on Cody
I’ve recently been talking with professors eager to use Cody in the classroom. From these discussions, I’ve learned...
plus de 13 ans il y a
Publié le
Dancing in the spotlight – The intersection between robotics, video processing and art
This week I’d like to introduce guest blogger Joachim Schlosser. Joachim leads the team of Education Technical Specialists...
plus de 13 ans il y a
Publié le
Your MATLAB Files on the Cloud. And more.
Happy 2013! 2012 was an eventful year for MATLAB Mobile, with releases for the iPad, the Android platform, and several...
plus de 13 ans il y a
Problème
Balanced Ternary Numbers: Easy as |, |-, |o
This problem concerns the so-called <http://en.wikipedia.org/wiki/Balanced_ternary balanced ternary> system for representing num...
plus de 13 ans il y a | 3 | 84 solveurs
Problème
MatCAT - Reconstruct X from Its X-rays
Consider a matrix x x = [ 1 2 0 0 5 0 3 0 8 ] If we sum x along the rows we get row_sums = [3 5 11] ...
plus de 13 ans il y a | 10 | 151 solveurs
A résolu
THE CALCULATOR OF LOVE
In honor of Valentine's Day, program a love calculator that figures out the percentage of compatibility between two people using...
plus de 13 ans il y a
Publié le
Visualizing Cody
Because of the amount of traffic that it gets, Cody generates a tremendous amount of interesting data every day. Most of it...
plus de 13 ans il y a
Publié le
Giving by Taking: File Exchange Acknowledgment Trees
One of the virtues of a good programmer (as observed by Larry Wall) is laziness. Don’t write code that you don’t have to!...
plus de 13 ans il y a
A résolu
Sum the Digits of a Number
Given an integer, sum the digits repeatedly until you end up with a single value less than 10. For example, if you add the di...
plus de 13 ans il y a
A résolu
Replace multiples of 5 with NaN
It is required to replace all values in a vector that are multiples of 5 with NaN. Example: input: x = [1 2 5 12 10 7] ...
plus de 13 ans il y a
A résolu
Insert zeros into vector
Insert zeros after each elements in the vector. Number of zeros is specified as the input parameter. For example: x = [1 ...
plus de 13 ans il y a
Publié le
Football Squares with MATLAB
h1 { font-size:18pt; } h2.titlebg { font-size:13pt; } h3 { color:#4A4F55; padding:0px; margin:5px 0px 5px;...
plus de 13 ans il y a
A résolu
Happy 2013...
Happy 2013, everyone! An interesting tidbit about 2013 is that it is the first year since 1987 to contain four different digits...
plus de 13 ans il y a
Problème
Eliminate Polysyllabics: Long live short words!
Given a string s1, return s2 in which all the words with more than one syllable have been removed. To make things simple, we ...
plus de 13 ans il y a | 4 | 156 solveurs
Publié le
MATLAB Christmas Trees
While online doing some last minute shopping, I found some Christmas trees that were created using MATLAB. I...
plus de 13 ans il y a
Problème
Property dispute!
Two neighbors have rectangular plots of land A and B. The surveyors give you the coordinates of each. If they overlap, there is ...
plus de 13 ans il y a | 3 | 42 solveurs
A résolu
Reverse the elements of an array
Reverse the order of elements in an array: eg: input X = [ 1 2 3 ; 4 5 6 ; 7 8 9 ] o...
plus de 13 ans il y a
Problème
Crossing to Kissing - Untangle the Lines
Turn lines that cross into lines that kiss. You will be given two lines that cross at some point. Your job is to untangle the...
plus de 13 ans il y a | 1 | 35 solveurs