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frame of the matrix
Given the matrix M, return M without the external frame.
oltre 2 anni fa
Risolto
subtract central cross
Given an n-by-n square matrix, where n is an odd number, return the matrix without the central row and the central column.
oltre 2 anni fa
Pubblicato
Mini Hack Contest Analysis
Today we have a guest post from Dave Bulkin. Dave is a developer on the MATLAB Graphics and Charting Team. Dave used to be...
oltre 2 anni fa
Pubblicato
Flying Pumpkins, Dancing Pumpkins
Eric Ludlam likes pumpkins. That might surprise you when you see what he does to them. Example: give him a perfectly good...
quasi 3 anni fa
Pubblicato
Call to Action: Look, then Vote! (and Give to Charity)
Something special is going on. Look at all these images. You're looking at 96 images from the ongoing Mini Hack...
quasi 3 anni fa
Pubblicato
Twenty: A Birthday, a Contest, an Explosion of Images
As I said in my last post, here at the MathWorks Community blog we are currently celebrating an important milestone:...
quasi 3 anni fa
Pubblicato
And Now We Are 20
It’s been twenty years since we launched MATLAB Central. It's tempting to say that it’s been twenty years since we started...
quasi 3 anni fa
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Rotate a Matrix
Input a Matrix x, Output y is the matrix rotating x 90 degrees clockwise
circa 3 anni fa
Pubblicato
Lightning Talks at the Japan EXPO
I recently learned about something fun: customer lightning talks at the Japan MATLAB EXPO 2021. A lightning talk is a...
circa 3 anni fa
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matrix zigzag
Unfold a 2-D matrix to a 1-D array in zig-zag order, e.g., for matrix [ 1 2 3 ; 4 5 6 ; 7 8 9 ] the resulting 1-...
circa 3 anni fa
Pubblicato
Update Heroes: Evergreen Contributions to the File Exchange
File Exchange developer Randy Souza (you've heard of Souza's Law, right?) was looking at some file updates coming through...
circa 3 anni fa
Pubblicato
On the Importance of Software to Research
This week's post is by Mike Croucher. Mike is a member of the Customer Success Engineering team in the UK, working with...
oltre 3 anni fa
Pubblicato
Cody News: Test That Code Before You Submit It!
See this? This is so cool. What you're looking at is the new Scratch Pad area for Cody. It will make playing Cody more...
oltre 3 anni fa
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Neither minima nor maxima
Input v is a vector. Return all the elements of v which are not a local minimum or maximum. Example: v = [1 2 3 4 5] Ou...
oltre 3 anni fa
Pubblicato
Community Q&A – Akrem Hadji
Akrem Hadji is a top contributor to Cody. Here is a Q&A I did with Akrem who is a Telecommunications Engineer in...
oltre 3 anni fa
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Longest Sequence of NaNs
In an array return the length of longest sequence of nans for each column. x = [ 2 3 1 2 5 6; nan nan 5 n...
oltre 3 anni fa
Pubblicato
Live Editor in MATLAB Mobile
The Live Editor combines code, output, and formatted text in a single executable notebook. Last year, we introduced this...
oltre 3 anni fa
Pubblicato
Happy Valentines Day!
What to do? It's nearly February 14th, and what, oh what will you get your sweet one? Your very own osculating curve? The...
oltre 3 anni fa
Pubblicato
MATLAB Drive and British Coal
The other day I received this email from my friend Jos. Very thoughtful of him! After a recent meeting, we were...
oltre 3 anni fa
Pubblicato
Virtual Workshops with Black Girls Code and MissionSAFE
Guest bloggers Ishaani, a MathWorks UX Specialist, and Vidya Gopalakrishnan, a MathWorks Senior Technical Writer, bring you...
oltre 3 anni fa
Pubblicato
How Long Is a Winter’s Day?
Happy December! The days sure seem longer in the winter. Of course, there are fewer hours of daylight. But the actual span...
oltre 3 anni fa
Risolto
Fix the last element of a cell array
Note: this is lifted directly from <http://www.mathworks.com/matlabcentral/answers/82825-puzzler-for-a-monday Puzzler for a Mond...
oltre 3 anni fa
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Convert a numerical matrix into a cell array of strings
Given a numerical matrix, output a *cell array of string*. For example: if input = 1:3 output is {'1','2','3'} whic...
oltre 3 anni fa
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Proper Factors
Generate the proper factors of input integer _x_ and return them in ascending order. For more information on proper factors, ref...
oltre 3 anni fa
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QWERTY coordinates
Given a lowercase letter or a digit as input, return the row where that letter appears on a <http://en.wikipedia.org/wiki/Keyboa...
oltre 3 anni fa
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QWERTY Shift Code Decoder
Decode a string encoded using the QWERTY shift code. QWERTY shift code is where the message was touch typed but with an offse...
oltre 3 anni fa
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Word Distance - Sum
Let's suppose that the distance of a word can be calculated by summing the differences between its letters, having assigned the ...
oltre 3 anni fa
Risolto
Count letters occurence in text, specific to words with a given length.
Build a function with two input arguments: a string and a word length (number of letters), that outputs a vector of counts of th...
oltre 3 anni fa
Risolto
Data decompression
A chunk of data is to be 'decompressed'. Input: * compressed: a row vector of uint8 values. This is the compressed data. ...
oltre 3 anni fa
Risolto
Alphabetize by last name
Given a list of names in a cell array, sort the list by the last name. So if list = {'Barney Google','Snuffy Smith','Dagwood ...
oltre 3 anni fa