Matt Tearle
Last seen: 6 days ago
MathWorks
707 total contributions since 2010I love MATLAB. I love teaching people to love MATLAB.
I love it so much that I went to work for the people who make MATLAB. I spend my days at MathWorks creating material to help people learn MATLAB. Life is good.
(My love of teaching MATLAB notwithstanding, please don't email me for help -- post a question to MATLAB Answers instead. Firstly, your email will probably be swallowed by my spam filter. Secondly, private consulting isn't in my job description.)
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Solve a problem with a best solution
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Solve all the problems in Introduction to MATLAB problem group
Awarded to Matt Tearle on 12 Apr 2019
Solve all the problems in Cody5:Easy
Awarded to Matt Tearle on 30 Oct 2017
Contribute at least one answer each month for 6 consecutive months
Awarded to Matt Tearle on 20 Jul 2017
Accept 1 answer given by other contributors
Awarded to Matt Tearle on 20 Jul 2017
100 of your answers have been accepted
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Provide your first answer ever to someone else's question
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15-year anniversary Scavenger Hunt finisher badge
Awarded to Matt Tearle on 09 Nov 2016
Solve a problem for the first time
Awarded to Matt Tearle on 26 Jan 2012
Submitted
Conditionally colored line plot
Plots (2D line) graph split into two colors above and below a given threshold value
11 months ago | 4 downloads |
Submitted
Simple real Fourier series approximation
Computes coefficients for the real Fourier series approximation to a data set.
11 months ago | 28 downloads |
Assign a number to a letter in excel
I don't understand what you're trying to get out of the original data. If you do diff(X2) you'll get [1 -1 0 0 0...
12 months ago | 0
Solved
Integer or Float?
Test an input to see whether it is an integer or a floating point number. If it is an integer return 1 for 'true'. Otherwise ret...
1 year ago
Solved
Solve a System of Linear Equations
Given a constant input angle θ(theta) in radians, create the coefficient matrix(A) and constant vector(b) to solve the giv...
1 year ago
Solved
Verify Law of Large Numbers
If a large number of fair N-sided dice are rolled, the average of the rolls is likely to be close to the expected value of a sin...
1 year ago
Solved
Find the Oldest Person in a Room
Given two input vectors: * |name| - user last names * |age| - corresponding age of the person Return the name of the ol...
1 year ago
Solved
Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...
1 year ago
Referencing the name "MATLAB"
The official rules for all that stuff reside in the style guide.
1 year ago | 4
| accepted
Channel
CWC19 Semifinal tracker
Percentage of possible outcomes of the remaining Cricket World Cup matches that result in each team making it to the semifinals....
1 year ago
Submitted
"Getting Started with MATLAB" video example files
Example MATLAB scripts for the solar panel example shown in the "Getting Started with MATLAB" video
1 year ago | 77 downloads |
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.
2 years ago
Solved
Magic is simple (for beginners)
Determine for a magic square of order n, the magic sum m. For example m=15 for a magic square of order 3.
2 years 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...
2 years ago
Solved
Roll the Dice!
*Description* Return two random integers between 1 and 6, inclusive, to simulate rolling 2 dice. *Example* [x1,x2] =...
2 years ago
Solved
Number of 1s in a binary string
Find the number of 1s in the given binary string. Example. If the input string is '1100101', the output is 4. If the input stri...
2 years ago
Solved
Return the first and last character of a string
Return the first and last character of a string, concatenated together. If there is only one character in the string, the functi...
2 years ago
Solved
Create times-tables
At one time or another, we all had to memorize boring times tables. 5 times 5 is 25. 5 times 6 is 30. 12 times 12 is way more th...
2 years 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....
2 years ago
Solved
Check if number exists in vector
Return 1 if number _a_ exists in vector _b_ otherwise return 0. a = 3; b = [1,2,4]; Returns 0. a = 3; b = [1,...
2 years ago
Solved
Determine whether a vector is monotonically increasing
Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...
2 years ago
Solved
Swap the first and last columns
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...
2 years 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 = ...
2 years 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]
2 years ago
Solved
Length of the hypotenuse
Given short sides of lengths a and b, calculate the length c of the hypotenuse of the right-angled triangle. <<http://upload....
2 years ago
Solved
Generate a vector like 1,2,2,3,3,3,4,4,4,4
Generate a vector like 1,2,2,3,3,3,4,4,4,4 So if n = 3, then return [1 2 2 3 3 3] And if n = 5, then return [1 2 2...
2 years ago
Solved
Finding Perfect Squares
Given a vector of numbers, return true if one of the numbers is a square of one of the other numbers. Otherwise return false. E...
2 years 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.
2 years ago
Kullback-Leibler Divergence for NMF in Matlab
If X and X_hat are just matrices, then I think you should be able to compute all the terms element-wise and sum the result (unle...
2 years ago | 0
| accepted
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