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Nikolaos Nikolaou


Last seen: Today Active since 2015

Physics , Wholesale auctions , Crypto Mining , Renewable Energy

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  • ASEE Challenge Master
  • Sequences And Series II Master
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  • Matrix Patterns III Master
  • Matrix Patterns I Master
  • Matrix Manipulation II Master
  • Indexing IV Master
  • Number Manipulation II Master
  • Number Manipulation I Master
  • Indexing I Master

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Primes Faster for Large N
This Challenge is to improve the "primes" function for speed. This may be accomplished by fixing memory usage. The Matlab fun...

en dag ago

Solved


Find the area of a triangle having vertices (A,B), (C,D), and (E,F)
Find the area of a triangle using if we have the three vertices of the triangle

4 dagar ago

Solved


Find argmax of a function
You are given vectors x and y (=f(x)). Return the element of x for which f(x) is maximized.

4 dagar ago

Solved


Return the sequence element II
Given positive integers x and n, return a positive integer, y, which is the nth term in the <https://en.wikipedia.org/wiki/Juggl...

4 dagar ago

Solved


imaginary results
Return the value of the imaginary number i to the power of input argument n.

20 dagar ago

Solved


Circumcircle Points
Determine the radius of the minimum sized circle that encompasses all the points. Per <http://www.inf.ethz.ch/personal/gaertn...

20 dagar ago

Solved


Is 3D point set Co-Planar?
This Challenge is to determine if four 3D integer points are co-planar. Given a 4x3 matrix representing four x,y,z integer poin...

20 dagar ago

Solved


Text File Read: 64 bit data set
This Challenge is to read a text file that has vary large integers up to 2e18, typical for <http://code.google.com/codejam/conte...

20 dagar ago

Solved


Easy Sequences 40: Quadratic Congruence
Quadratic Congruence is a modular equation of the form: . In this exercise you will be given a vector containing the coefficie...

20 dagar ago

Solved


Solitaire Cipher
Implement the <http://en.wikipedia.org/wiki/Solitaire_(cipher) solitaire cipher>. Since this is from Wikipedia, I am capturin...

20 dagar ago

Solved


GJam 2017 Kickstart: Leader (Small)
This Challenge is derived from <http://code.google.com/codejam/contest/6304486/dashboard#s=p0 GJam 2017 Kickstart Leader>. This ...

22 dagar ago

Solved


Create array of all Distances between two Sets of Points
This Challenge is a subsection of Martian Pranks based on Tim's efficient Distance calculation between sets of points. Given Po...

22 dagar ago

Solved


Arrow!!
Write a script that gives (( follow the example)) if x=4 & output= 1 1 1 1 1 1 0 1 1...

22 dagar ago

Solved


STOP that car!!!
The maximum allowed speed for this road is 100. Find the cars that didn't observe the speed limit Arrest and fine them!!!

22 dagar ago

Solved


Evaluate the zeta function for real arguments > 1
The <https://en.wikipedia.org/wiki/Riemann_zeta_function Riemann zeta function> is important in number theory. In particular, th...

23 dagar ago

Solved


Evaluate the gamma function
The <https://mathworld.wolfram.com/GammaFunction.html gamma function> is a generalization of the factorial, and it appears in ma...

23 dagar ago

Solved


Evaluate the Struve function
The <https://en.wikipedia.org/wiki/Struve_function Struve function> *H*_a(x) is a solution to an inhomogeneous form of Bessel's ...

23 dagar ago

Solved


Multiply binary numbers
Write a function to multiply two binary numbers input as strings. For example, input values of ‘1011’ and ‘101’ should give ’110...

23 dagar ago

Solved


Compute the Sequence of the Day
A sequence starts with 1 and 2, and each subsequent term is the sum of the digits of the product of the previous two terms. As a...

23 dagar ago

Solved


Flip the diagonal values
Write a program that flip the elements of main diagonal , upper and lower diagonal values of a sqare matrix. For example if a ...

24 dagar ago

Solved


The twelve days of Christmas
Traditionally there are twelve days of Christmas to celebrate ("Twelvetide"), typically starting with Christmas Day (25 December...

24 dagar ago

Solved


Remove collinear points in a set of 2D points defining a polygon
Consider a polygon that is obtained by joining a set of 2D points whose coordinates are stored in matrix P=[x,y]. Write a functi...

24 dagar ago

Solved


Red and green towers
Frankie has a large number of wooden cubes, painted in red and green. He is building little towers with his cubes, by stacking t...

24 dagar ago

Solved


Solve a nonlinear difference equation

ungefär 2 månader ago

Solved


Biggest Value in the (Neighbor)Hood
For this challenge you get two inputs: a matrix A and an integer value n. Your function should return a Matrix B of the same si...

2 månader ago

Solved


Cell Array Inception?
Jimmy is a beginning MATLAB student who is trying to read in a text file and build a cell array of strings, where A{k} is the kt...

2 månader ago

Solved


GCD

2 månader ago

Solved


Aufbau principle
Given the order e=[1s, 2s, 2p, 3s, 3p, 4s, 3d, 4p, 5s, 4d, 5p, 6s, 4f, 5d, 6p, 7s, 5f, 6d, 7p], find a vector x with these condi...

2 månader ago

Solved


Numbers at bit-boundary
Find if a number is on or below the bit-boundary, as defined below. Examples 7,9 straddle the bit-boundary at 2^3 as do 31,32 ...

2 månader ago

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