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Investigating a Failed Unit Test for My App
8:18 After I added a new UI control to my web app, in a live stream recently, I ran my full set of...
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Pausing and Manually Modifying The Data in a Long Running Script
7:30 Here I want to change the behavior of a long running script, by pausing it and manually changing...
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Comparison of C++, Java, Python, Ruby and MATLAB OOP Example
RedBlack Tree Binary Search Example Used to Compare of C++, Java™, Python, Ruby and MATLAB® Code
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Comparison of C++ and MATLAB Using OOP Example
Wireless Communications Application Example Used to Compare C++ and MATLAB® Code
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What's New for Object-Oriented Programming in MATLAB Webinar
Code examples used in "What's New for Object-Oriented Programming in MATLAB®" Webinar
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Debugging Example: Why is my data not being filtered correctly?
22:39 Some data in my MATLAB function is not being filtered out as it should be. I will need to...
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Adding a Cell Selection Callback to a Table in My MATLAB App
20:17 Here, I add a cell selection callback to a table in one of my MATLAB apps by copying this...
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Accessing Files Relative to a MATLAB Project’s Root Folder
10:52 While trying to troubleshoot another bug, which I couldn’t reproduce, I found something else I...
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Run/Continue to Here in the MATLAB Editor
3:23 The “Run/Continue to Here” button in the MATLAB Editor, lets you jump to a future spot in your...
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Adding New Features to a Web App: Livestream on YouTube Today
I’ll be doing my Blog live today on YouTube at 11am EDT. It will be a code-along as I normally do, mostly working with App...
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Modifying My App to Handle an Old Data Set Used in a Test Case
14:49 The unit tests for my web app have failed because I added a new variable to my data set. Rather...
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Adding Another Column to a Table in my Web App
17:14 Here I am going to try and add an additional column to a table in my web app. Its been more than...
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A résolu
Find relatively common elements in matrix rows
You want to find all elements that exist in greater than 50% of the rows in the matrix. For example, given A = 1 2 3 5 ...
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Refactoring Some of My Code into a Local Function
10:36 Here I try to move a chunk of code into a local function, so I can re-use it multiple times,...
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Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...
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Renaming a Function in a MATLAB Project
8:12 Here I want to rename one of my functions. Traditionally, this would involve manually updating...
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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.
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Upgrading One of My Functions to Use an arguments Block and String Arrays
10:13 I’ve upgraded a function that I often use with some features introduced in recent releases of...
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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...
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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...
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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...
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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...
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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...
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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 [...
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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.
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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 = ...
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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.
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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]
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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...
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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...
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