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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]; ...

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Angle difference between Hour Hand and Minute Hand of clock
*Calculate the difference of angles between Hour hand and Minute hand of clock* E.g. 1) At 12:00 Angle Difference = 0 deg...

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Dancing with wolves?
let wolf() make one or two steps to get a feel of the beat, it is waltz, do not let wolf() make the third step, return safely ju...

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Conjunctive Normal Form
In Boolean logic, a formula is in conjunctive normal form (CNF) or clausal normal form if it is a conjunction of clauses, where ...

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Is the test point on the line segment?
Given the [x,y,z] coordinates for the three points pa, pb, and pc, return true if the test point pc is on the line segment with ...

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Find out rooms, peak to peak, average for a square wave.
Find out rms, peak to peak, average for a square wave from peak value. <http://www.rfcafe.com/references/electrical/square-w...

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Count the ways pairs of parentheses can be matched correctly

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Pizza order
A pizza order by phone in diameter d1, pizza will be make only in diameter d2. Return the pizza pieces p should be make.(pizza ...

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İmage Series 1 OR
Given two input first one is a number which is uint8, second one is image which is 8 bit gray scale image, the image has pixsels...

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Long-digit Subtraction
Suppose you need to subtract a very large integer from another integer. <http://www.mathworks.com/matlabcentral/cody/problems/56...

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Sales Prediction
Miss X is a shopaholic person and every weekend she goes to a mall. There are total of 10 shops. Miss X starts from shop #1 and ...

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List the nth term of Rozhenko’s inventory sequence
Consider a sequence constructed by repeated inventories. A new inventory begins each time a zero is encountered. The first few i...

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Bridge and Torch Problem - Minimum time
<https://en.wikipedia.org/wiki/Bridge_and_torch_problem Details of the problem ...> Input is crossing time list. (for exampl...

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Simple polynomial evaluation
Compute the value of a polynomial of degree n with all coefficients '1', at value x. n is always n>=0. p(x)=1+x+x^2+...+x^n...

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Output the Montgomery Form of the Input Matrix

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Sum of digit range
Example: If A is n1, and B is n2 digit positive numbers. A*B's digit range will be [c d] (c = min & d = max). Then return ...

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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;...

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GJam 2017 Kickstart: Leader (Small)
This Challenge is derived from <http://code.google.com/codejam/contest/6304486/dashboard#s=p0 GJam 2017 Kickstart Leader>. This ...

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Ratio between sum of primes and sum of factors
Write a function that calculates the ratio between the sum of primes numbers lower or equal to x, and the sum of the factors of ...

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How many days does the cat take to climb out of the hole?
A cat accidentally falls down a hole with sloping but rough sides. It can climb out of the hole of height h metres, but for ever...

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Find Index of maximum Value and maximum Value of a vector
Find the Index of the first occurrence of the maximum value in a vector and also the maximum value in the vector. Example: [...

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Minimum number of children to distribute unequal cookie portions
A cruel parent wants to distribute N cookies such that it is impossible for every child to receive the same number of cookies. W...

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Cumulative difference
Given an array, return the cumulative difference. Example a = [ 1 3 5 7 ] cumdiff = [ 1 2 1 -2 ]

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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...

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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 doug...

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Bang Bang in Bangalore
Imagine a strange language disorder, Bangolangosis, has developed among trigonometricians of <http://en.wikipedia.org/wiki/Banga...

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Oxidation State
* In some chemical compounds, the oxidation state of each atom of hydrogen H is +1. * In some chemical compounds, the oxidation...

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Compress strings (not springs)
Please remove excess space, limit one space between others, and no space before punctuation marks. * For example, 'Trendy , ...

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speed vs size
The given string describes some MATLAB expressions such as 'pause(1)'. Compute its performance score = code size + run time in m...

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Function Sniffer
Given a string, find out which built-in functions are present, output a simple string, that has sorted and unique list of the...

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