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How many days in a month?
Return the number of days in a given month in 2017. If the input is not a valid month number, return -1. Examples: Input...

2 months ago

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Testing for randomness: uniform distribution of real numbers (distribution checking)
You will be presented with a variety of sequences of real numbers. Your job is to answer the question: "Is this a uniformly di...

2 months ago

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Funny problems
Generate the following vector： if n=1 then q=1; elseif n=2 then q=[2 2 1]; elseif n=3 then q=[3 3 3 2 2 1]; ... end

2 months ago

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Make your own Test Suite (part 0)
_Have no knowledge of <https://au.mathworks.com/help/matlab/matlab_prog/floating-point-numbers.html "floating-point numbers">? ...

2 months ago

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surface areas of a cylinder
There are 3 inputs: option, radius and height. If option= '1', compute the lateral surface area of the cylinder, for option 2 ca...

2 months ago

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Make your own Test Suite (part 1)
In this task you need to imagine that you — _yes, YOU_ — have developed a problem on Cody for _me_ to solve, and now *you need t...

2 months ago

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Repetition of matrices
*A is a bold matrix: [1 2 3; 4 5 6;7 8 9]* Given an integer 'n' , a matrix B exists such that has n copies of A in the row an...

2 months ago

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Basic matrix operations using standard MATLAB commands
Create the matrix: 1.0e+15 * 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000...

2 months ago

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Sum of diagonals
Compute the sum of diagonal elements of a square matrix and store the larger sum to s. Eg : a = [1 2 3; 2 3 4; 4 5 10] ...

2 months ago

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Find parts of a circle.
Given radius (r) of a circle find the diameter (d), circumference (c), an area (a).

2 months ago

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The other half of the Fibonacci sequence
The <http://mathworld.wolfram.com/FibonacciNumber.html "Fibonacci sequence"> — F = [1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144,...

2 months ago

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Implement str2cell
You are given a String that is equivalent to a cell array of scalars or vectors. Transform this String to its equivalent Cell ar...

2 months ago

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The answer to life the universe and everything
Write a function that gives the answer to life the universe and everything to every input except the input is 42. In this case t...

2 months ago

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Return median of a matrix
Compute median of a matrix of any dimension. Exclude the NaNs if any.

2 months ago

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Basic matlab numeric and string manipulations
If entered input (n) is _numeric_ , compute its *log to the base (n+2)* , if it is a _lower case_ alphabet, *convert it to i...

2 months ago

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Check for keywords
If the entered string is a MATLAB keyword, return true else false

2 months ago

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Product of all elements in an array
Compute the product of all elements in an array.

2 months ago

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generate capital english alphabets
Based on the numeric input 'n', generate the capital english alphabet starting from A till the english alphabet at the 'n'th pos...

2 months ago

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Capitalized string operations
Convert the input sentence to upper case and replace all vowels with an underscore ('_')

2 months ago

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Make your own Test Suite (part 2)
In this task you need to imagine that you — _yes, YOU_ — have developed a problem on Cody for _me_ to solve, and now *you need t...

2 months ago

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¡Puntos de corte!
Crea una función que permita calcular los puntos de corte con los ejes X e Y de una función cuadrática indicada por el usuario e...

2 months ago

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¡Busca el extremo!
Crea una función que calcule el extremo de una parábola (máximo o mínimo absoluto) cuyos datos son proporcionados por el usuario...

2 months ago

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¿Es una parábola?
Dados los datos de las magnitudes _*x*_ e _*y*_, crear una función que permita conocer si se trata de una parábola o no, indican...

2 months ago

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Calcular la razón de proporcionalidad
Dadas dos magnitudes (a y b) en forma de vectores, crear una función que permita obtener la razón de proporcionalidad _*m*_ sólo...

2 months ago

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¿Es una función exponencial?
Crea una función que permita analizar si los datos dados por el usuario ( *x* e *y*) se relacionan por medio de una función expo...

2 months ago

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Find NaNs in the matrix
Return 1s wherever there is a NaN in the input matrix

2 months ago

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The maximum sum of squares
Create a function file with an input maxval to determine the maximum number of terms for the series 1^2 + 2^2 + 3^2 + ... such t...

2 months ago

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Find the missing numbers.
Total *N* numbers are in the series of natural numbers ( *1,2,3,...,N* ). The input is an array (unsorted) of those natural num...

2 months ago

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ASCII sum of phrases
Find the sum of the numeric equivalents of all characters entered in a phrase. For example: for the phrase 'My name is test', th...

2 months ago

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Calculating the total earnings of a factory
The row vector, prods contains the number of various products manufactured per hour. The second row vector, prices holds values ...

2 months ago