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First use of arrayfun() and anonymous function @(x)
Create an anonymous function using @(x) for a parabola equation for the given coefficients stored in s with s(1)x2 + s(2)x + s(...

2 years ago

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Vector of digits (★★)
Given a positive integer x, construct a vector y with all the digits of x in the order of appearance in x. Thus, if x = 172...

2 years ago

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microseconds passed today
Calculate the amount of microseconds passed for a given date string. Return the value, rounded to the nearest integer, as a stri...

2 years ago

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Solve t^(a*x^2+b*x+c)=s
Solve t^(a*x^2+b*x+c)=s. Return x vector as result. Example a=1, b=2, c=1, t=3, s=15. Result x(1)= 0.5700 x(2)=-2.5700 H...

2 years ago

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find number of times of occurrence of the most frequent number in a row vector
In a given row vector, find the number of times a mode of a row vector has occurred example: in [2 5 5 5 5 3], output is 4 ...

2 years ago

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Count given word x in text.
Count how many times given word x repeats in text.

2 years ago

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Determina el número de cifras de un número
Crea una función que te devuelva el número de cifras de un número. Algunos ejemplos para ayudarte serían: El número 125 tie...

2 years ago

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Look Up Mapping
Let the input is A = {[] [] [] [1] []}; B = {'A','B','C','D','E'}; Mapped Output = 'D';

2 years ago

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polar inertia
given locations of a set of unit masses on complex plane, find polar moment of inerta about the origin. for example output 4 if ...

2 years ago

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Chess performance
After Problems <http://www.mathworks.com/matlabcentral/cody/problems/3054-chess-elo-rating-system/ 3054> and <http://www.mathwor...

2 years ago

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Scrabble Scores
Given a word, determine its score in <http://en.wikipedia.org/wiki/Scrabble Scrabble>. The input string will always be provi...

2 years ago

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Scrabble Scores - 2
An <https://www.mathworks.com/matlabcentral/cody/problems/56-scrabble-scores introductory Cody problem> asks the user to score a...

2 years ago

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Rule of mixtures (composites) - weighted bound
The <http://en.wikipedia.org/wiki/Rule_of_mixtures rule of mixtures> is used in the mechanical design of composite structures to...

2 years ago

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Find the next square number
Given one or more integers n, find the next integer that is a square, for each of them. Example 1: n = 1; out = 4; ...

2 years ago

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Fill the matrix - 1
Input is a column vector and n. n columns will be added to the left of the input column. The first value of the row is the s...

2 years ago

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Odd elimination
Inspired by Project Euler problem #539 You'll be given a vector from 1 to n; Going from left to right, remove the first n...

2 years ago

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Maximum of each diagonal
The well-known <http://www.mathworks.com/help/matlab/ref/max.html max> function can operate along either the rows or the columns...

2 years ago

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Minimum of each diagonal
The well-known <http://www.mathworks.com/help/matlab/ref/min.html min> function can operate along either the rows or the columns...

2 years ago

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Produce the following matrix
Produce the following matrix x = [2 3 4] y_correct = [1 1/2 1/3; 2 1 1/4; 3 4 1];

2 years ago

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Global usage
This Challenge is to utilize Global variables. Global variables are risky as the subroutine may inadvertently and unwantingly...

2 years ago

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Intersection points of a polynomial
Find the intersection points of a polynomial, given by its vector of coefficients with the X-axis and the Y-axis. Input: a poly...

2 years ago

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deconvolution
* Suppose there is a vector v like [1 0 0 -1], representing polynomial coefficients. * In this example, the polynimial is 1*x^3...

2 years ago

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Find the summation, mean, median, mode and standard deviation of a given array.
An array is given. Find out the summation, mean, median, mode and standard deviation of a given array. If x=[1,2,2,3,3,3,4,4,4,...

2 years ago

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Logarithm with base other than 'e'
The standard log() function in Matlab returns the natural logarithm (base equal to Euler's constant). Compute the logarithm for ...

2 years ago

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Primes Checker
Given variable inputs Check if they are prime numbers

2 years ago

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Binary Inversion
Given the unsigned 8-bit integer x, return the number y which is the binary inversion of x. For example if x is 5, y should b...

2 years ago

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Tax Season ! How much is my salary?
Tax Season! I was employed for a period from x until y in a year and I get pay check of amount z on every alternate Friday of th...

2 years ago

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Check if integer
Given a vector of elements, determine if each element is an integer and return true or false accordingly.

2 years ago

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Probability of Choosing a Red Ball
Given two jars of red and blue balls, find the probability of choosing a red ball from Jar 1 after going through the steps. ...

2 years ago

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Error handling
If the input is a negative number, generate an error. Otherwise, return the number.

2 years ago