Publié le
2022 Mini Hack Content Analysis
Today, once again, I am delighted to introduce guest blogger Dave Bulkin. You may remember that Dave blogged in this space...
plus d'un an il y a
A résolu
Cricket - Most Frequent Bowler-Batter Wicket Combinations
Given a table representing all wickets taken in a particular set of matches, return a table of the bowler-batter pairs that occu...
plus d'un an il y a
A résolu
Split Even Number Into Two Primes
Given an even whole number n (> 2), return a 2-element vector of primes, p, such that p(1) + p(2) = n. Fun note: technically it...
plus d'un an il y a
A résolu
Extract the Acrostic Message
An acrostic cipher is a way of embedding one message within another by taking the first (or last) word of each line. Given a str...
plus d'un an il y a
A résolu
Boustrophedon
Given a vector v and a positive integer n, return an m-by-n matrix containing the elements of v row-wise, alternating left-to-ri...
plus d'un an il y a
A résolu
Generate Tribonacci Sequence
The "Tribonacci" sequence is an extension of the idea of the Fibonacci sequence: That is, each new term is the sum of the thr...
presque 2 ans il y a
A résolu
Where the Four Corners Am I?
The "Four Corners" region of the US is where Colorado, Utah, Arizona, and New Mexico all meet - the only place where four states...
presque 2 ans il y a
A résolu
Generate Pascal's Triangle Matrix
Pascal's triangle is an arrangement of numbers where each value is the sum of the values adjacent to it in the previous row: ...
presque 2 ans il y a
A résolu
Jack O'Lantern
If visualized correctly, the data contained in the matrix A will look like a jack-o'-lantern. Create a function that will visu...
presque 2 ans il y a
A résolu
Plotting Practice
Plot cos(x) vs x as shown in the figure below. Include the appropriate title, x-label, and y-label. Note, it is case sensitive. ...
presque 2 ans il y a
A résolu
Calculating Student Grades
The matrix grades contains raw grades for 7 students who took your course. Each row represents a different student. The first 7 ...
presque 2 ans il y a
A résolu
Matrix Quadrants
Write a function that takes N as the input, and outputs a matrix whose upper-left (NxN) quadrant contains all ones, the lower-ri...
presque 2 ans il y a
A résolu
Find the minimum of the column-maximums of a matrix
Given a matrix A, find the maximum value of each column, then return the smallest of those maximum values (ie return the minimum...
presque 2 ans il y a
A résolu
Find Closest Constant
Given a number x, return the value that is closest to x from this list of constants: 0, 1, , e, , (also known as ). For exampl...
presque 2 ans il y a
Publié le
Contests, Contests!
Here in New England, autumn is in full swing. The maple leaves are shifting into their best yellows and reds. On MATLAB...
presque 2 ans il y a
A résolu
Create an arrow matrix
An arrow matrix is a square matrix that contains ones on the diagonal, the last column, and last row. ...
presque 2 ans il y a
Publié le
New Features: How Do You Find the Good Stuff?
If I give you something but you never get the news, did I really give it to you? This happens all the time with MATLAB...
presque 2 ans il y a
A résolu
Find a Pythagorean triple
Given four different positive numbers, a, b, c and d, provided in increasing order: a < b < c < d, find if any three of them com...
presque 2 ans il y a
Publié le
Home Made Magnetic Resonance Imaging
Listen in as Yuki Kamatani interviews a man who built his own MRI! Hi, I'm Yuki Kamatani, an application engineer in our...
environ 2 ans il y a
A résolu
Given a matrix, swap the 2nd & 3rd columns
If a = [1 2 3 4; 1 2 3 4; 1 2 3 4; 1 2 3 4]; then the result is ans = 1 3 2 4 1 3 2...
environ 2 ans il y a
Publié le
Publishing to WordPress
This blog post began its life as a Live Script in MATLAB. I could have started typing into WordPress, but then I wouldn't...
plus de 2 ans il y a
A résolu
Find the complement of a number in binary
Input x is a decimal number and output y is the complement of binary representation of x. For example, x = 10 has the binary ...
plus de 2 ans il y a
Publié le
Happy Valentines Day!
I found this lovely algorithmic heart in the comments of an old Walking Randomly post. Research software superstar Mike...
plus de 2 ans il y a
Publié le
Community Q&A – Yair Altman
Yair Altman is a top participant on MATLAB Central, especially within File Exchange. He is best known for being the...
plus de 2 ans il y a
Publié le
Dr. Maeda Wins With MATLAB!
Some people say it's hard to make predictions. Not true. But making accurate predictions... okay, that's hard. Even so,...
plus de 2 ans il y a
Publié le
Tips ‘n’ Tricks with Chris Armstrong of BAE Systems
As part of my business travel over the years, I've been fortunate to visit the UK several times and meet folks from BAE...
plus de 2 ans il y a
A résolu
Replace Nonzero Numbers with 1
Given the matrix x, return the matrix y with non zero elements replaced with 1. Example: Input x = [ 1 2 0 0 0 ...
plus de 2 ans il y a
A résolu
frame of the matrix
Given the matrix M, return M without the external frame.
plus de 2 ans il y a