Nicholas Wong
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Python, C++, C, R, MATLAB, SQL, HTML, Perl
Professional Interests:
AI and Statistics, Photonics, Communications, Electronics
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DURCHSCHNITTLICHE ANZAHL DER LIKES
Feeds
Gelöst
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...
fast 3 Jahre vor
Gelöst
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...
fast 3 Jahre vor
Gelöst
Column Removal
Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; ...
fast 3 Jahre vor
Gelöst
Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...
fast 3 Jahre vor
Gelöst
Triangle Numbers
Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displayed ...
etwa 3 Jahre vor
Gelöst
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 ...
etwa 3 Jahre vor
Gelöst
How long is the longest prime diagonal?
Stanislaw Ulam once observed that if the counting numbers are <http://en.wikipedia.org/wiki/Ulam_spiral arranged in a spiral>, t...
mehr als 7 Jahre vor
Gelöst
One track five lanes
Find the minimum number of lane changes necessary to cross the entire track without running into any obstacles <<http://www.a...
etwa 8 Jahre vor
Gelöst
Pandigital Multiples of 11 (based on Project Euler 491)
A "Pandigital number of order X" is one that contains all of the numbers from 0 to X, but with no leading zeroes. If X>9, the cy...
etwa 8 Jahre vor
Gelöst
Birthday cake
It's Cody's 5th birthday, and you've been tasked with putting the candles on the cake. Your goal is to maximize the distance bet...
etwa 8 Jahre vor
Gelöst
Parse me a Lisp
*Description* In Lisp and its variants, function calls are done using parenthesis where the first item in the parenthesis is ...
etwa 8 Jahre vor
Gelöst
Recaman Sequence - III
I want to create a Recaman sequence where there is a "1" in the n-th position. So from which integer should I start the Recaman ...
etwa 8 Jahre vor
Gelöst
N-Queens Checker
Picture a chessboard populated with a number of queens (i.e. pieces that can move like a queen in chess). The board is a matrix,...
etwa 8 Jahre vor
Gelöst
Ned's Queens
A tribute to Cody's five-year anniversary should also celebrate the people behind Cody, and in this particular case, our illustr...
etwa 8 Jahre vor
Gelöst
Group-wise Euclidean distance
*Input*: * *x* —— An array of size *n-by-d*, where each row vector denotes a point in a d-dimensional space; * *g* —— A gro...
etwa 8 Jahre vor
Gelöst
Circumscribed Pentagon?
Building off of <https://www.mathworks.com/matlabcentral/cody/problems/44368 Problem 44368>, your function will be provided with...
etwa 8 Jahre vor
Gelöst
Inscribed Pentagon? 2
Your function will be provided with the five vertices of a pentagon (p) as well as the center point (cp) and radius (r) of a cir...
etwa 8 Jahre vor
Gelöst
Hexagonal numbers on a spiral matrix
Put hexagonal numbers in a ( m x m ) spiral matrix and return the sum of its diagonal elements. Formula of hexagonal numbers ...
etwa 8 Jahre vor
Gelöst
Cache me Outside
The test suite includes a simple recursive Fibonacci sequence generator, but it's terribly inefficient. One simple method for im...
etwa 8 Jahre vor
Gelöst
Is this a valid Tic Tac Toe State?
For the game of <https://en.wikipedia.org/wiki/Tic-tac-toe Tic Tac Toe> we will be storing the state of the game in a matrix M. ...
etwa 8 Jahre vor
Gelöst
Pair Primes
Let's define pair primes as follow; * *For 2 digits numbers:* 11 and 17 are pair primes because both of them are 2 digits pri...
etwa 8 Jahre vor
Gelöst
Digit concentration in Champernowne's constant
Consider the first 50 digits of Champernowne's constant 0.12345678910111213141516171819202122232425262728293... The...
etwa 8 Jahre vor
Gelöst
An asteroid and a spacecraft
🚀 Imagine a non-relativistic simple situation. Assume positions p0, p1, p2, and p3 are three dimensional Cartesian ...
etwa 8 Jahre vor
Gelöst
"Cody" * 5 == "CodyCodyCodyCodyCody"
*Alice*: What? *"Cody" * 5 == "CodyCodyCodyCodyCody"*? You've gotta be kidding me! *Bob*: No, I am serious! Python supports...
etwa 8 Jahre vor
Gelöst
Combine the first and last names
MATLAB R2016 provides a rich set of functions to work with string arrays. In this problem, you will be given two string arrays o...
etwa 8 Jahre vor
Gelöst
Acid and water
⚖ ⚖ ⚖ ⚖ ⚖ ⚖ ⚖ ⚖ Assume that there is a 100 liter tank. It is initially fi...
etwa 8 Jahre vor
Gelöst
The 5th Root
Write a function to find the 5th root of a number. It sounds easy, but the typical functions are not allowed (see the test su...
etwa 8 Jahre vor
Gelöst
Pi Digit Probability
Assume that the next digit of pi constant is determined by the historical digit distribution. What is the probability of next di...
etwa 8 Jahre vor
Gelöst
radius of a spherical planet
You just measured its surface area, that is the input.
etwa 8 Jahre vor
