luffy wang
Last seen: 11 days ago
621 total contributions since 2020
luffy wang's Badges
Solve all the problems in Draw Letters problem group
Awarded to luffy wang on 28 Dec 2020
Solve 500 problems
Awarded to luffy wang on 27 Dec 2020
Solve Project Euler problems using Matlab
Awarded to luffy wang on 24 Dec 2020
Comment on a problem or solution
Awarded to luffy wang on 22 Dec 2020
Like a problem or solution
Awarded to luffy wang on 08 Dec 2020
Solve a community group
Awarded to luffy wang on 02 Dec 2020
Solve all the problems in CUP Challenge
Awarded to luffy wang on 02 Dec 2020
Solve all the problems in Introduction to MATLAB problem group
Awarded to luffy wang on 02 Dec 2020
Solve a problem for the first time
Awarded to luffy wang on 01 Dec 2020
Solved
Pentagonal Numbers
Your function will receive a lower and upper bound. It should return all pentagonal numbers within that inclusive range in ascen...
2 months ago
Solved
Mechanics 1
I thought I would make a mechanics problem for all those physics lovers out there. Imagine two solid, rigid spheres B1 and B...
2 months ago
Solved
Finding peaks
Find the peak values in the signal. The peak value is defined as the local maxima. For example, x= [1 12 3 2 7 0 3 1 19 7]; ...
2 months ago
Solved
Convert a numerical matrix into a cell array of strings
Given a numerical matrix, output a *cell array of string*. For example: if input = 1:3 output is {'1','2','3'} whic...
2 months ago
Solved
Bouncing disk
A disk is placed in a rectangular room with dimensions a and b in a point with coordinates x0 and y0. The disk is given a startu...
2 months ago
Solved
Find the jerk
No, it's not the author of this problem... Jerk is the rate of change in acceleration over time of an object. So, if given t...
2 months ago
Solved
Colon operator of two vectors
You are given two vectors of equal length: VecStart, VecEnd Each vector contain a set of integers, where VecEnd(j)>=VecStar...
2 months ago
Solved
Juggling
There is a notation system for <http://en.wikipedia.org/wiki/Juggling jugglers> called <http://en.wikipedia.org/wiki/Siteswap si...
2 months ago
Solved
Is this matrix orthogonal?
Given a square matrix, a, determine whether it is orthogonal. INPUT: a, a n x n matrix OUTPUT: true or false
2 months ago
Solved
Generate a NaN...on purpose
The goal is to create a function that will return a single "NaN" without using the nan function. I am interested to see how many...
2 months ago
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