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Nikolaos Nikolaou


Last seen: Today Active since 2015

Physics , Wholesale auctions , Crypto Mining , Renewable Energy

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  • Treasure Hunt Participant
  • MATLAB Central Treasure Hunt Finisher
  • Sequences And Series II Master
  • Leader
  • 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
  • R2016b Feature Challenge Master

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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...

20 days 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...

20 days ago

Solved


GCD

21 days 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...

21 days 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 ...

22 days ago

Solved


Net Present Value of a Stream of Cash Flows
Calculate the net present value of a future cash flow vector given; future cash flow vector (F) and interest rate (i) assume;...

22 days ago

Solved


Dealfun (1.0)
*Short description.* Write a function _dealfun_: [y1,y2,...,yn]=dealfun(fhandle,x1,x2,...,xn) which evaluates the f...

22 days ago

Solved


Kurchan 5x5 - Optimal Score
Related to Problems 1646 and 2650, but bigger. Technically, all you need to do for this Cody problem is input a 5x5 matrix conta...

23 days ago

Solved


Kurchan 4x4 - Optimal score
Related to Problem 1646, but bigger. Technically, all you need to do for this Cody problem is input a 4x4 matrix containing the...

23 days ago

Solved


2D Indexes
Given in input the maximum degree P, the algorithm furnishes a ordered list of two dimensional vectors [i,j] i,j>=0 such that i+...

27 days ago

Solved


Linear Least Squares (L2 fitting problem )
Given a set of real measurements (x(i), y(i)) find a line sol(1)x + sol(2) (more specifically furnish the vector with...

27 days ago

Solved


Schrödinger dog
Everyone knows that dogs are less unpredictable than cats. But is that proven? Is that measurable at all? YES! NOW IT IS! ...

29 days ago

Solved


Given a number between 1-365 (a day number in a non leap year) , find what day of what month it is.
For a given number between 1-365 (a day number in a non leap year), you should check which day of which month it is. for exampl...

29 days ago

Solved


Compute circular convolution
In signal processing, we usually encounter the circular convolution case. Compute it here using the two input sequences (denoted...

29 days ago

Solved


Miles to go before I sleep
Recently, my car's odometer passed 56789. Given an odometer reading, output how many miles need to be driven to get the next mi...

29 days ago

Solved


twins or duplicate
You have to find if someone is present in 2 lists even if there's one orthographic fault in his name. Consider that an orthogr...

29 days ago

Solved


Alias abs to asb
Create an alias of a built-in function name. Goal is to alias asb with abs for dyslexic typers. The test suite will be ...

30 days ago

Solved


Order of things - 2
This problem is closely related to <http://www.mathworks.nl/matlabcentral/cody/problems/2189-order-of-things-1 Problem 2189, Ord...

30 days ago

Solved


Order of things - 1
Let's assume you have a number of calculations to perform, that depend on each other. E.g. 'A' can be calculated, once the outco...

30 days ago

Solved


Bleed non-zeros to the right using REGEXP, and that sort of cheatcodess...
This one is quite similar to <http://www.mathworks.nl/matlabcentral/cody/problems/1998-bleed-non-zeros-to-the-right>. But thi...

30 days ago

Solved


Get the variable value from a string and generate sum
Get the variable value from a string. Example. x = 'A=10' y = 'B=20' Result = (x+y) Result = 30

1 month ago

Solved


Initialize a varible with an integer value from a another variable which is assigned with a character value.
Initialize a varible with an integer value from a another variable which is assigned with a character value. ex: Test = 'c'...

1 month ago

Solved


Create a "+" flag
Given two odd numbers, [m, n], return a matrix of size m x n which has all elements of the centre column and centre row set as 1...

1 month ago

Solved


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. ...

1 month ago

Solved


Cross ("+") flag returns
Given two odd numbers, [m, n], return a matrix of size m x n which has all elements of the centre column and centre row set as 1...

1 month ago

Solved


Create the flag of Ramumbia
The little known nation of Ramumbia has a very simple flag. It is made up of vertical stripes, Red, Green, Blue, that are equall...

1 month ago

Solved


Scrabble Scores - 7
This problem is part of a set of problems that successively develop a more sophisticated Scrabble scoring routine. The point dis...

1 month ago

Solved


Scrabble Scores - 6
This problem is part of a set of problems that successively develop a more sophisticated Scrabble scoring routine. The point dis...

1 month ago

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