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Missing five
Convert decimal numbers to a base-9 notation missing the digit *5* <<http://www.alfnie.com/software/missing5.jpg>> Too man...
대략 9년 전
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Extra safe primes
Did you know that the number 5 is the first safe prime? A safe prime is a prime number that can be expressed as 2p+1, where p is...
대략 9년 전
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Pernicious Anniversary Problem
Since Cody is 5 years old, it's pernicious. A <http://rosettacode.org/wiki/Pernicious_numbers Pernicious number> is an integer w...
대략 9년 전
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Is this is a Tic Tac Toe X Win?
For the game of <https://en.wikipedia.org/wiki/Tic-tac-toe Tic Tac Toe> we will be storing the state of the game in a matrix M. ...
대략 9년 전
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Triangle Numbers
Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...
대략 9년 전
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Limited Edition Laurels: Cody is Five!
Do you have what it takes to win this badge? A badge’s value derives in part from how hard it is to achieve. This right...
대략 9년 전
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How to subtract?
* Imagine you need to subtract a few numbers using MATLAB. * You will not be using eval for this task. * Given two ASCII strin...
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Pentagonal Numbers
Your function will receive a lower and upper bound. It should return all pentagonal numbers within that inclusive range in ascen...
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Find the nearest prime number
Happy 5th birthday, Cody! Since 5 is a prime number, let's have some fun looking for other prime numbers. Given a positive in...
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Getting logical indexes
This is a basic MATLAB operation. It is for instructional purposes. --- Logical indexing works like this. thresh = 4...
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Specific Element Count
Given a vector _v_ and a element _e_, return the number of occurrences of _e_ in _v_. Note: NaNs are equal and there may be n...
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Calculate the Levenshtein distance between two strings
This problem description is lifted from <http://en.wikipedia.org/wiki/Levenshtein_distance>. The Levenshtein distance betwee...
대략 9년 전
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Community Q&A: Manu BN
Manu BN is the author of 14 files on File Exchange including some popular submissions. Please enjoy this virtual...
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Deep Learning and Cody
I want to mention two exciting developments, one last week and one this week. Last week, image processing blogger Steve...
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Alternating sum
Given vector x, calculate the alternating sum y = x(1) - x(2) + x(3) - x(4) + ...
대략 9년 전
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Replicate elements in vectors
Replicate each element of a row vector (with NaN) a constant number of times. Examples n=2, A=[1 2 3] -> [1 1 2 2 3 3] ...
대략 9년 전
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A Galloping Logo Zoetrope
What is a zoetrope? A zoetrope is a simple kind of animation, first popularized in the 1800s. Take twelve images of a...
대략 9년 전
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Text Alignment, Dinosaurs, and Orators
When we’re creating new pages for our community apps, our designers sometimes add some sample text as part of the review...
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Use a timetable to analyze a train timetable (Part 2)
Oh no, you missed your train to Boston! Find the departure time of the next available train by analyzing the train timetable. Yo...
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New in Answers: Top Contributors & Staff
You’re the new kid in school. It’s lunch time. You got a slice of pizza and a pile of tater tots from the food line, but...
대략 9년 전
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"mirror" matrix
Create n x 2n "mirror" matrix of this type: Examples For n = 2 m = [ 1 2 2 1 1 2 2 1 ] For n = 3 m = ...
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Answers Badges Are Here!
Maybe, like me, you got an email this week telling you that you won a badge for your contributions to MATLAB Answers. And...
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Generate this matrix
Generate the following matrix. n = 2; out = [-4 -3 -2 -1 0 -3 -2 -1 0 1 -...
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Cody Turns One Million
Suppose I give you an image like this little smiley face. And now I ask you to stretch it vertically and horizontally by...
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Is It Just Me? Status Anxiety and the Application Status Page
Here’s you, getting stuff done: Click… click. Click-click. Type typey type. Click. And then: Click… click, click… and...
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Community Q&A: Massimo Zanetti
During the fall of 2016 MathWorks hosted a Scavenger Hunt and Triathlon to celebrate the 15th Anniversary of MATLAB...
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The Bacterium and the Blog – New Life on MATLAB Central
Do you have aphid problems? Aphids are perfectly nice little insects with one unfortunate habit: they have a mighty...
9년 초과 전
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How to get data from web?
URLREAD expects US-style usage of commas and stops in numbers. So in a number like 150,228.17 it will ignore the comma and retur...
How to get data from web?
URLREAD expects US-style usage of commas and stops in numbers. So in a number like 150,228.17 it will ignore the comma and retur...
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Robot Races Roll After Hours at the Museum
Our post today is from Jeff Homer of our UK office in Cambridge, England. Jeff is an Application Support Engineer with a...
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Add-Ons and the File Exchange
Earlier today I was pondering the fact that I needed some new business cards when I had a sudden brain storm. A sort of a...
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