Community Profile # Nikolaos Nikolaou

Last seen: 4 days ago Active since 2015

Physics , Wholesale auctions , Crypto Mining , Renewable Energy

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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...

16 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...

16 days ago

Solved

GCD

17 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...

17 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 ...

17 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;...

18 days ago

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

18 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...

18 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...

18 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+...

23 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...

23 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! ...

24 days ago

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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...

25 days ago

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

25 days ago

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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...

25 days ago

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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...

25 days ago

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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 ...

25 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...

25 days ago

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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...

25 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...

26 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

28 days 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'...

28 days ago

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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

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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

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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

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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