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Clamper Function
Create a function that emulates a clamper circuit Given sin wave, t and the constant value for clamping

2 months ago

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Where is 1?
There is a 3d matrix [A] that consist of many zeros and only one. A=zeros(100,100,100); i=randi(100); j=randi(100); k=randi(...

2 months ago

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How to permute given 3d matrix?
A(:,:,1)=[1 3] A(:,:,2)=[2 2] A(:,:,3)=[4 3] Change rows to columns and columns to rows, similar to transpose. Resul...

2 months ago

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Removing vibration!
There are [y] that vary with [x] but y including small useless vibration. x=1:10 y=[1.71 2.03 3.28 4.05 5.10 6.82 7.69 8.3...

2 months ago

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Probabilities - Balls and urns - 02
The urn contains B blue balls and R red balls. Each trial consists of drawing one random ball from the urn and observing its col...

2 months ago

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Performance - summation
Given a vector of natural numbers x = [1,2,3,...,N] compute the sum of its elements by not stressing the machine too much...

2 months ago

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Find index of a string in a cell array
Write a function that finds the index at which the cell array of strings C contains the exact string S. So if C = {'twe...

2 months ago

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Frequency Analysis of Text
Frequency analysis is a common task in cryptoanalysis. It is essentially counting the occurrences of alphabets (regardless of ca...

2 months ago

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Translate German decimals to English decimals
The string 'x = [2,5; 5,5; 4,3];' should return 'y = [2.5; 5.5; 4.3];'

2 months ago

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Solve system of equation!
Given provided system of equation, and find x and y. System of equation can be expressed as each term's coefficient. For exam...

2 months ago

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All odd - all even
All odd numbers in x are added, while all even numers are subtracted from this. example: x = [1 2 3 4 5]; y = +(1+3+5)-...

2 months ago

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Odd times even numbers in a matrix
First count the number of odd numbers in x, then the number of even. Return their product. example: x = [1 2] One odd ...

2 months ago

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Prouhet–Tarry–Escott (basic)
Inspired by <http://www.mathworks.com/matlabcentral/cody/problems/660-find-a-subset-that-divides-the-vector-into-equal-halves pr...

2 months ago

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Find the numeric characters in a string and return their index
Given a string S, return the index of any numeric characters. S = 'The next meeting will be held in 2 weeks.'; idx = fin...

2 months ago

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Which coins to give
I was in shop today. I admired, how shop assistant had to think, which coins to give me. The task is we have a vector v=[0.5 0.2...

2 months ago

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Find the coefficients for numerical integration using Simpson's rule
For using numerical integration using Simpson's rule, we need some coefficients to be determined first. Suppose the n is the nu...

2 months ago

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Probabilities - Balls and urns - 01
The urn contains B blue balls and R red balls. Each trial consists of drawing one random ball from the urn and observing its col...

2 months ago

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3D indexes
Generalisation in 3 dimensions of the <http://nl.mathworks.com/matlabcentral/cody/problems/43117-2d-indexes Problem 43117. 2D I...

2 months ago

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Reduce the logic
We have three logical input, x,y and z. The output is: y = ((x&y)|z)&((z|x&y)|(z&y|x))|((x&z)|z)&((y|x&z)|(z&x|y))|(x|y|z) ...

2 months ago

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2D Indexes
Given in input the maximum degree P, the algorithm furnishes a ordered list of two dimensional vectors [i,j] i,j>=0 such that i+...

2 months ago

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Counting votes
x is a vector of votes, e.g. x=[1 2 3 2 2 1 3 2 1 2 2 2 2], who is the winner? 1,2,3?

2 months ago

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sum of ASCII
Given a string x, return the sum of all ASCII numbers of all characters. for example, if x='lala' ('l'-> 108, 'a'->97) then y...

2 months ago

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How many complete pizzas (number 2)
x is a vector with numbers of pizza slices. A corresponding vector n indicates in how many slices the pizza slices of x were cut...

2 months ago

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How many complete pizzas
x is a vector with numbers of pizza slices. A corresponding vector n indicates in how many slices the pizza slices of x were cut...

2 months ago

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Stock Data NETFLIX 2011
Analyze a set of data for Netflix's stock for 2011 minNetflix = Find the minimum value that the stock reached over the year....

2 months ago

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LMI Twins : Fuzzy Image matching
The image below from <http://logicmastersindia.com/2016/04P/ Logic Masters India Marathon 2016> is puzzle "Twins Co-Ordinates" w...

2 months ago

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Cody meets Xiangqi: foresee the unseen (Part 2)
This is the second part of the Xiangqi series. The first part in this series is: <http://www.mathworks.com/matlabcentral/cody/pr...

2 months ago

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Cody meets Xiangqi: foresee the unseen (Part 1)
This is the first part of the Xiangqi series. The second part in this series is: <http://www.mathworks.com/matlabcentral/cody/pr...

2 months ago

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Pipeline
Do something that makes x> f1 > f2 ... > fn equal to fn(...f2(f1(x))...) * x : MATLAB object * fi: function handle ...

2 months ago

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How many ways to write
How many ways to write a positive integer x as the sum of n numbers , where , x>n and no n number is less than -2.

2 months ago