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How many bytes an image requires from RAM?

3 years ago

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Back to the future
See test suite See also: http://www.mathworks.com/matlabcentral/cody/problems/2449-back-to-the-future-ii

3 years ago

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Back to the future II
See test suite

3 years ago

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Back to the Future III
Marty McFly and Doc Brown are "back" again. See the test suite to see what they are up to.

3 years ago

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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: [...

3 years ago

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Back to basics 16 - byte order
Covering some basic topics I haven't seen elsewhere on Cody. Switch the byte order of the input (i.e. if little-endian -> big...

3 years ago

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Maintain shape of logical-index mask
When using logical indexing into an array, MATLAB returns a vector output. For example, if A = magic(3); mask = logi...

3 years ago

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Alternative Dimensions
Given a multidimensional matrix, transform the matrix so the dimensions are in the order given by variable ord. For example, giv...

3 years ago

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Usage of mkdir and copyfile
This Challenge is to copy a file into a new directory multiple levels below existing directory architecture. System appears ...

3 years ago

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Cycling — Critical Power
From Training and Racing with a Power Meter by Allen and Coggan: "A number of equations have been presented in the scientific...

3 years ago

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Possible Opponents Matrix for single-elimination tournament
It's tournament time! Given a single-elimination tournament with 2^N competitors, compute the 2^N by 2^N matrix M such that M...

3 years ago

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Determine whether a given point is inside or outside a polygon
A closed polygon may be described by an N x 2 array of nodes, where the last node and the first node are the same. Each row of t...

3 years ago

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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...

3 years ago

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hanoi towers II
with 3 rods (1,2 & 3), the goal is to move a tower of n disks from rod #1 to rod #3. You can move disks only one by one, on the...

3 years ago

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Number Puzzle - 039

3 years ago

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Distancia Vetores
Dados dois vetores a = (x1, y1) e b = (x2, y2). Calcule a distância entre os vetores e verifique se estão perto (distancia < 10)...

3 years ago

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Lista Ordenada
Dado um vetor V, verifique se o vetor está ordenado, retorne true ou false. Ordenado([1 2 3 4]) = true;

3 years ago

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Juros Simples
Faça uma função que calcule o montagem de um investimento com juros simples que receba como argumentos o capital inicial C, a ta...

3 years ago

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Buzz
Dado um número inteiro n, retorne 'buzz' se esse valor for multiplo de 5, ou retorne o valor caso contrario. Buzz(5) = 'buzz'; ...

3 years ago

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Sales Tax

3 years ago

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Congruent
Given two numbers, check whether they are congruent to each other or not for a particular value N.

3 years ago

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Volume of Cylindrical Shell

3 years ago

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Array Concatenation (2)
Given two matrices, a and b, concatenate the two matrices vertically, i.e., the number of rows of the result should be equal to ...

3 years ago

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Convert a given Character to its decimal equivalent value
Convert a given character to its decimal equivalent value according to the ascii table. if x = '!'; y = 33; if x = 'u'; ...

3 years ago

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Find all prime factors of the input
Given an input x, find its all prime factors. Return the vector with all factors in ascending order. Efficiency is the key here...

3 years ago

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Draw 'W'
For any given n, return a matrix of height n and width 4n-3 containing a W of ones. Example: n=2 ans= [1 0 1 0 1 0 1 0 1 0...

3 years ago

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Minkowski distance

3 years ago

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Acid and water
⚖ ⚖ ⚖ ⚖ ⚖ ⚖ ⚖ ⚖ Assume that there is a 100 liter tank. It is initially fi...

3 years ago

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time of day
Calculate the time of day in days, hours, minutes or seconds passed since the beginning of the day, depending on the unit. The u...

3 years 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...

3 years ago