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Combinations without using nchoosek

You have to generate a matrix with all possible combinations of n elements *taken 2* at a time, *without using nchoosek(1:n,2)* ...

6 months ago

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Generating random matrix with given probability mass function

Inspired by <http://www.mathworks.com/matlabcentral/cody/problems/2356-simulating-the-selection-of-a-state-with-given-probabilit...

6 months ago

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Sort Except Zeros

Sort the numbers in a vector. But the position of zeros should not be changed. Example: sort_except_zeros( [5 3 0 0 2 4] ) == [...

6 months ago

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determine the sum of decimal part for given matrix

determine the sum of fraction part for the given matrix

6 months ago

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arithmetic progression

I've written a program to generate the first few terms of <https://en.wikipedia.org/wiki/Arithmetic_progression arithmetic progr...

6 months ago

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Find similar sequences

Another problem inspired by a question on the <http://www.mathworks.com/matlabcentral/answers answers> forum. Given a matrix ...

6 months ago

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Largest Geometric Series

Extension of Ned Gulley's wonderful <http://www.mathworks.com/matlabcentral/cody/problems/317 Problem 317>. In a geometric se...

6 months ago

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Generate Square Wave

Generate a square wave of desired length, number of complete cycles and duty cycle. Here, duty cycle is defined as the fraction ...

6 months ago

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nth Rational Number

Return the nth rational number. This is the inverse to Problem <http://www.mathworks.com/matlabcentral/cody/problems/1471 1...

6 months ago

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Create sequnce 1 4 9 16 25.........

Create sequnce 1 4 9 16 25......... upto entered input value using matlab scripting commands. Let y be output and x be input

6 months ago

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Sum of series

a(n) = n^2 - (n-1)^2 find the summation of the series upto n i.e. a(1)+a(2)+...+a(n)

6 months ago

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geometric progression

I've modified my <http://uk.mathworks.com/matlabcentral/cody/problems/2800-arithmetic-progression previous program> so that it n...

6 months ago

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Approximation of Pi (vector inputs)

Pi (divided by 4) can be approximated by the following infinite series: pi/4 = 1 - 1/3 + 1/5 - 1/7 + ... For a given numbe...

6 months ago

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Collect a set of candy wrappers

This past Halloween, the siblings Matilda and Labrun amused (and sometimes confused) their many neighbors with their costumes in...

6 months ago

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Sum of series VII

What is the sum of the following sequence: Σ(km^k)/(k+m)! for k=1...n for different n and m?

6 months ago

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Sum of series VI

What is the sum of the following sequence: Σk⋅k! for k=1...n for different n?

6 months ago

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Sum of series IV

What is the sum of the following sequence: Σ(-1)^(k+1) (2k-1)^2 for k=1...n for different n?

6 months ago

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Sum of series V

What is the sum of the following sequence: Σk(k+1) for k=1...n for different n?

6 months ago

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Simple return on investment

Assume you have some money and want to invest all your money to stock market. You randomly select a stock and invest all your mo...

6 months ago

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Kurchan Square - Evaluation Function

Evaluate a Kurchan square. An NxN square with values 1:N^2. Given a square matrix determine the products of each row, column,...

7 months ago

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give-nth-decimal-place-of-pi up to 100 digits

max 100th place after the decimal point this is upgrade problem of 142

7 months ago