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# Nikolaos Nikolaou

##### Last seen: Today
1.951 total contributions since 2015

Interests:
Data Mining
Crypto Mining
Universal Field Theory
Quark - Spin Theory
Solar / Wind farms + automation systems
Amazon / Ebay ecom distribution channels + dropshipping

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Solved

3rd side of a Triangle
Given two sides of a triangle, find the minimum and maximum possible area of the triangle. the length of the third side has t...

etwa 3 Stunden ago

Solved

\$10,000 sequence
Find the nth term of the Hofstadter–Conway sequence and its chaotic cousin. <https://en.wikipedia.org/wiki/Hofstadter_sequenc...

etwa 3 Stunden ago

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Can I make a right triangle ?
Input(a) - is vector with any amount of values. Interpreted as legths of sides. Output(b): * Is true if there are any 3 va...

etwa 4 Stunden ago

Solved

Coin distribution
Imagine, u r in a shop. ur bill is n(2200). u want to pay the bill with minimum no of coins u have. u've coins of - 2000,1000...

etwa 4 Stunden ago

Solved

sparse_matrix
You convert a vector to a sparse matrix. for example *x* =[1 2 3]; output will be *y* = [1 0 0 ...

etwa 4 Stunden ago

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Zero Cross
Write a function that counts the number of times n a signal x changes sign. Examples x = [1 2 -3 -4 5 6 -7 8 -9 10 11] ...

etwa 5 Stunden ago

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Find 0 in array
Given array find where there 0 is.

etwa 5 Stunden ago

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Coin Distribution - 02
Prev prob <http://mathworks.com/ 45385> Given a set of coins and an amount, find out how many ways the amount can be made usi...

etwa 5 Stunden ago

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En passant - 01
This is white's turn. The player moves his pawn. The pawn's previous and current positions are given. Determine whether th...

etwa 6 Stunden ago

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Fault in our Stars - 02
Create a window pattern with h-horizontal bars and v-vertical bars. For example, for h=4,v=4 '**********' '* ...

etwa 6 Stunden ago

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Abelian Sandpile - 02
Generate a matrix like Abelian Sandpile where the four corner element is n. For example, n=4 [4 3 2 1 ...

etwa 21 Stunden ago

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Abelian Sandpile - 01
Generate a matrix like abelian sandpile where the center of the matrix is n. For example, n=3 out=[0 0 0 0 ...

etwa 21 Stunden ago

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Determina el número de cifras de un número
Crea una función que te devuelva el número de cifras de un número. Algunos ejemplos para ayudarte serían: El número 125 tie...

ein Tag ago

Solved

Create a matrix map of increasing safety levels
The sole nuclear power plant at Grid City suddenly had a meltdown. Luckily, the plant was designed to be in full automation, so ...

ein Tag ago

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Design a tubesheet for shell-and-tube heat exchangers

ein Tag ago

Solved

Find an overlap in the cleaning schedule of two tank reactors
In a certain pharmaceutical production company, there are two tank reactors operating simultaneously and independent of each oth...

ein Tag ago

Solved

Find an optimal placement of coolers on a grid
In a certain chemical plant, 6 new pieces of cooling equipment (coolers) are to be installed in a vacant space. This vacant spac...

2 Tage ago

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ZigZag - 05
Given a matrix, print all its elements in the alpha form. For example - a=[16 2 3 13 5 11 10 8 ...

2 Tage ago

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ZigZag - 04
Given a matrix, print all its elements in the spiral form (clockwise direction). For example, a=[16 2 3 13 ...

2 Tage ago

Solved

Assess the scatter of wind turbines in a field
The renewable energy industry is on the rise in many countries--- and one of the key players is wind energy. It is believed ...

3 Tage ago

Solved

Characterize fluid flow in a pipe as to laminar or turbulent
In fluid mechanics, characterizing the flow in a pipe is essential to predicting its behavior. The flow pattern can either be la...

3 Tage ago

Solved

Determina si el número es primo
Primero, antes que nada: ¿Qué es un número primo? Un número primo es cualquier número que solamente se puede dividir por 1 y ...

3 Tage ago

Solved

Maya - 03
Following up on the previous two problems, now you've to add or subtract two Maya numerals. The 3rd input will be a function ...

3 Tage ago

Solved

Maya - 02
<https://en.wikipedia.org/wiki/Maya_numerals> Prev. prob. - <https://www.mathworks.com/matlabcentral/cody/problems/45375-maya...

3 Tage ago

Solved

Maya - 01
Given a number, convert it into the Maya numeral system. <https://en.wikipedia.org/wiki/Maya_numerals> For example, n...

3 Tage ago

Solved

ZigZag - 03
Given a matrix of any size, print its elements from the zigzag form of the matrix. For example, a=[1 2 3; 4 5 6; ...

4 Tage ago

Solved

ZigZag - 02
Given a matrix, return the elements that are on the Z form of the matrix. For example - a=[1,2,3,4,5; 6,7,8,9,1; 1...

4 Tage ago

Solved

ZigZag - 01
Given a matrix, return the elements that are on the Z form of the matrix. For example - a=[1,2,3; 4,5,6; 7,8,9] ...

4 Tage ago

Solved

Yoonir - 03
Find the area of a seven-pointed star inscribed in a circle of radius r.

4 Tage ago

Solved

Yoonir - 02
Find the area of a six-pointed star inscribed in a circle of radius r.

4 Tage ago