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# Nikolaos Nikolaou

##### Last seen: Today
2,562 total contributions since 2015

I can derail any conversation to the time i first had an olive :)

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Solved

Cipher the number

14 hours ago

Solved

Sum of infinite series.

14 hours ago

Solved

The Python Challenge, Level 1: Decode strings
This problem is based on <http://www.pythonchallenge.com/pc/def/map.html Level 1 of The Python Challenge>, which is just a serie...

14 hours ago

Solved

Assign matrix elements to separate variables
Given an input array, return each element of the array as a separate variable. If the number of output arguments (k) is less tha...

15 hours ago

Solved

Determine which fields have been modified in a structure
Given two input structures (s1, s2), determine which field values have been modified in s2 compared to s1. Your output should be...

16 hours ago

Solved

Find the nth Fibbinary number

19 hours ago

Solved

* You have a bunch (an odd number N) of identical resistors (each R ohms), a good battery (V volts), and a high impedance voltme...

21 hours ago

Solved

Set zero

21 hours ago

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Find S-parameters of the circuit
Refer to <http://en.wikipedia.org/wiki/Scattering_parameters> for the information about the system of scattering parameters. ...

2 days ago

Solved

Would Homer Like It?
Given a matrix of ones and zeros, you must determine if there are any doughnuts present (would Homer Simpson like it?). A doughn...

2 days ago

Solved

Effective Nuclear Charge

2 days ago

Solved

NaN

2 days ago

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Swap

2 days ago

Solved

Matrix operation

2 days ago

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Size

2 days ago

Solved

Real

2 days ago

Solved

imaginary

2 days ago

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combine cells
A cell type variable is created. However it has other cells in itself. we want to integrate them all in a single cell. the conte...

4 days ago

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Low level NaN
* I have a dataset. Columns represents different variables. * A variable may start with NaN or any double type number. * If i...

4 days ago

Solved

replace nan values iteratively.
replace nan values with the average of two neighbour non-nan value iteratively as follow; x = [2; 4; 6; nan; nan; nan; 10]; ...

4 days ago

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Delete the rows in the middle
We will delete the rows in the middle and keep the first and the last rows. For example if input is [1 2 1 7 1 8 ...

4 days ago

Solved

Calculate trends in time series
Create a new variable that has trends in input series. If _t+1_ is bigger than or equal to _t_, than trend in _t_ will be 1, oth...

4 days ago

Solved

Calculate Simple Intrest for given data
P,N,R stands for Principle amount, No. of years and rate of intrest resp. Calculate intrest I

4 days ago

Solved

Best Problem Elections
When I am writing those words, there are 2002 problems on Cody. Many of them are simply wonderful. Do you remember which of them...

4 days ago

Solved

pay it forward
Choose a number (integer between 0 and 65535) You will pass this problem if you are the *second* person to choose that same n...

4 days ago