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# Nikolaos Nikolaou

##### Last seen: Today
2,128 total contributions since 2015

I once tried to explain what a paid stage cynic is to an UAE physics conference . It didnt go well...

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Sum Sum Sum!
Calculate the sum of the natural numbers from 1 to n

9 hours ago

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Find the volume of cone
Find the volume of cone, when given radius(r) and height(h).

9 hours ago

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Replicate and Tile an Array
Replicate and tile an array. Example A = [1 2 3; 4 5 6; 7 8 9] B = Epli_and_Tile(A,1,2) B = [ 1 2 3 1...

9 hours ago

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Accessing values in a cell
You are given c, which is a 1xN cell array, and a and b, which are each two 1xM vectors. Your job is to give the bth value in t...

9 hours ago

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Takuzu row
Takuzu row is one row in a logic puzzle of a rectangular grid. The rules are as follows: (1) The row is filled with 1s and 0s...

9 hours ago

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Alternating 1´s and 0´s in a matrix
Given an odd number n, write a function that creates a matrix y with dimension nxn alternating 1's and 0's, and starting with 1 ...

9 hours ago

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Alternate list of elements
Write a function that combines two lists by alternating the elements, e.g. ['a','b','c'], ['1','2','3'] → 'a1b2c3'.

9 hours ago

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9 hours ago

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This problem is <https://www.mathworks.com/matlabcentral/cody/problems/45252 Restricted Addition v1> with more restrictions. Als...

9 hours ago

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Fibonacci Word
F1='0' F2='1' F3 is the catenation of the previous two. So, F3 = cat(F2,F1)='10'. similarly, F4 = cat(F3,F2...

10 hours ago

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Inverse of Hilbert matrix
Given a non-negative integer x, return the element-wise power of 2 of the inverse of Hilbert matrix.

10 hours ago

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Construyendo matrices parte 2
Construye la siguiente matriz a partir de otros tres vectores/matrices. [ 1 8 15 3 3 3 3 2 9 16 3 3...

10 hours ago

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cross-section of 3D pyramid
Create 3d pyramid of ones and zeros...where pyramid-part is denoted by ones and outer-part is denoted by zeros..where base is sq...

10 hours ago

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Times 3
Try out this test problem first. Given the variable x as your input, multiply it by three and put the result in y. Example...

2 days ago

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Times 20
Try out this test problem first. Given the variable x as your input, multiply it by ninety and put the result in y. Exampl...

2 days ago

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Times 12
Try out this test problem first. Given the variable x as your input, multiply it by twelve and put the result in y. Exampl...

2 days ago

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Times 11
Try out this test problem first. Given the variable x as your input, multiply it by eleven and put the result in y. Exampl...

2 days ago

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Times 10
Try out this test problem first. Given the variable x as your input, multiply it by ten and put the result in y. Examples:...

2 days ago

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Times 9
Try out this test problem first. Given the variable x as your input, multiply it by nine and put the result in y. Examples...

2 days ago

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Times 8
Try out this test problem first. Given the variable x as your input, multiply it by eight and put the result in y. Example...

2 days ago

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Times 7
Try out this test problem first. Given the variable x as your input, multiply it by seven and put the result in y. Example...

2 days ago

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Times 6
Try out this test problem first. Given the variable x as your input, multiply it by six and put the result in y. Examples:...

2 days ago

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Cody Computer Part 1 - Guess the system font used by uipanel
list = listfonts return the list of available system fonts. Can you guess which font is used for uipanel on the CODY computer...

2 days ago

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Cody Computer Part 4 : Are you a morning Cody player Addicted ?
This is a stupid Cody challenge. You just have to *click "Submit" between 7 and 9 AM.* ... Greenwich Mean Time (GMT). To see ...

2 days ago

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How to reverse spdiags ?
The spdiags function extracts all nonzero diagonals from the m-by-n matrix A. So if A=[1 2 3;4 5 6;7 8 9], spdiags(A)=[7 4...

3 days ago

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Split array into pieces according to corresponding array
An array x of length n has values 1...m with each value appearing at least once. The values are sorted (n>=m). A second...

3 days ago

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Accumulate Cells
Given a combining function, a cell array, and an initial value, accumulate the result. For example, accumcell(@plus,{1,...

4 days ago

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Relation between functions "dec2bin" & "dec2binvec"
Here it's an easy problem we try to find the relation between the two functions "dec2bin" & "dec2binvec", so here you must write...

4 days ago

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Is it a mail?
Electronic mail, or email, is a method of exchanging digital messages between people using digital devices such as computers, mo...

4 days ago

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Who have the chance?
Obtain a free 10 score in cody, if you have a chance don't change anything if you want to try or do what you can do to gain for ...

4 days ago