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Stuart McGarrity

MathWorks

Last seen: en dag ago Active since 2005

I'm from a small town called Largs near Glasgow in Scotland. I studied for my undergraduate degree in Electronic and Microprocessor Engineering and PhD in Signal Processing at Strathclyde University. I live in Natick, MA.

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Solved


Get the area codes from a list of phone numbers
Given a string of text with phone numbers in it, return a unique'd cell array of strings that are the area codes. s = '508-647...

5 dagar ago

Solved


I Plead the Fifth
Write a function to provide a yes or no answer to the input string. However, it must plead the 5th amendment (return an empty st...

6 dagar ago

Solved


Finding Perfect Squares
Given a vector of numbers, return true if one of the numbers is a square of one of the numbers. Otherwise return false. Example...

6 dagar ago

Solved


Interpolator
You have a two vectors, a and b. They are monotonic and the same length. Given a value, va, where va is between a(1) and a(end...

6 dagar 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...

6 dagar ago

Solved


Create an index-powered vector
Given a input vector x, return y as index-powered vector as shown below. Example x = [2 3 6 9] then y should be [...

6 dagar ago

Solved


Maximum value in a matrix
Find the maximum value in the given matrix. For example, if A = [1 2 3; 4 7 8; 0 9 1]; then the answer is 9.

6 dagar ago

Solved


Swap the input arguments
Write a two-input, two-output function that swaps its two input arguments. For example: [q,r] = swap(5,10) returns q = ...

6 dagar ago

Solved


Sum all integers from 1 to 2^n
Given the number x, y must be the summation of all integers from 1 to 2^x. For instance if x=2 then y must be 1+2+3+4=10.

6 dagar ago

Solved


Reverse the vector
Reverse the vector elements. Example: Input x = [1,2,3,4,5,6,7,8,9] Output y = [9,8,7,6,5,4,3,2,1]

6 dagar ago

Solved


Make a random, non-repeating vector.
This is a basic MATLAB operation. It is for instructional purposes. --- If you want to get a random permutation of integer...

6 dagar ago

Solved


Word Counting and Indexing
You are given a list of strings, each being a list of words divided by spaces. Break the strings into words, then return a maste...

14 dagar ago

Solved


Add two numbers
Given a and b, return the sum a+b in c.

21 dagar ago

Solved


MATLAB Counter
Write a function f = counter(x0,b) to construct a counter handle f that counts with an initial value x0 and a step size b. E...

ungefär 2 månader ago

Solved


Binary Coder
Take an input number and print the binary value of this number.

ungefär 2 månader ago

Solved


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...

ungefär 2 månader ago

Solved


Cell joiner
You are given a cell array of strings and a string delimiter. You need to produce one string which is composed of each string fr...

ungefär 2 månader ago

Solved


Getting the indices from a vector
This is a basic MATLAB operation. It is for instructional purposes. --- You may already know how to <http://www.mathworks....

ungefär 2 månader ago

Published


Debugging at Point of Error
12:16 One of my MATLAB scripts has failed and is currently stopped at the error point. By having...

5 månader ago

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Published


Using parfor to Make Many Web Requests
47:27 My colleague asked me to access all the pages on a web server in order to populate it’s cache. I...

6 månader ago

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Analyzing Sitemaps
51:43 Today, I want to analyze the sitemaps on mathworks.com. These XML files, in standard locations,...

7 månader ago

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Repurposing Some MATLAB Code to Detect Large Web Images
46:56 I need to find all video thumbnails on our website that are larger than a certain size. I tried...

7 månader ago

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Shortest Path Between Two Web Pages
31:05 I want to find how you get to a particular web page on our website from another one, i.e. what...

8 månader ago

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Published


I Want To Add An “Are You Sure?” Alert To My Web App
28:38 The web app I’m working on manipulates a set of MAT files and lets me switch between them....

9 månader ago

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AutoHotkey Shortcuts for the MATLAB Editor
11:49 I created some AutoHotkey shortcuts to make it easier to execute arbitrary lines of code in the...

10 månader ago

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Copying Text to the Clipboard in MATLAB Web App – Fail
18:29 I want to occasionally copy text from data in a table in my web app, so I try to add a line to...

11 månader ago

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Published


Adding Another Output Argument to a Function
18:23 I need to add another output argument to a function I made last week, to return some more...

12 månader ago

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Solved


Join Strings with Multiple Different Delimiters
The idea is to form the string S by interleaving the elements of a cell array of strings DELIMITER and another cell array of st...

ungefär ett år ago

Published


Adding a try/catch With Email Notification
22:38 One module of a large MATLAB project I maintain failed last night and caused the whole...

ungefär ett år ago

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Scraping Links from a List of Web Pages
44:14 My colleague Sherrie just asked me if I could extract the links from a specific set of pages,...

ungefär ett år ago

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