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Determine if input is divisible by three.
Given a positive integer, n, determine if n is divisible by 3. If yes, the function should output true. If no, false.

ongeveer 7 jaar ago

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Rounding off numbers to n decimals
Inspired by a mistake in one of the problems I created, I created this problem where you have to round off a floating point numb...

ongeveer 7 jaar ago

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Largest Prime Number
Given a matrix X, find the largest prime number in X.

ongeveer 7 jaar ago

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Let's see how peculiar we can get
The task is to multiply two numbers. But do it in the most peculiar possible way.

ongeveer 7 jaar ago

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square number
Square a number

ongeveer 7 jaar ago

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Reverse a string
Reverse the given string. Example input = 'reverse' output = 'esrever'

ongeveer 7 jaar ago

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Square the input
Given a scalar or vector x, return the square of each element. Example x = [7 2] answer = [49 4]

ongeveer 7 jaar ago

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Find out value of sine given by degree.
Find out value of sine given by degree. If theta=30, it's value must be 0.5.

ongeveer 7 jaar ago

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Is My Wife Wrong?
Answer the question. (see also <http://www.mathworks.com/matlabcentral/cody/problems/149-is-my-wife-right Problem 149: Is my ...

ongeveer 7 jaar ago

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Integer or Float?
Test an input to see whether it is an integer or a floating point number. If it is an integer return 1 for 'true'. Otherwise ret...

ongeveer 7 jaar ago

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reverse string
input='rama' output='amar'

ongeveer 7 jaar ago

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letter yes yes & letter no no
Split a string into two strings, wherein the first string has all alphabetic letters and the second string has all the remaining...

ongeveer 7 jaar ago

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Negative Infinity
Round the given array a towards negative infinity.

ongeveer 7 jaar ago

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Compare two input matrices
Check which input matrix has more elements. Return "1" if matrix A has more elements than matrix B. Otherwise return "0". Exa...

ongeveer 7 jaar ago

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Sum the Digits of a Number
Given an integer, sum the digits repeatedly until you end up with a single value less than 10. For example, if you add the di...

ongeveer 7 jaar ago

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Roots
Find out the roots of a given polynomial equation.Given are the coefficients of the equation.

ongeveer 7 jaar ago

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Volume of a box
Given a box with a length a, width b, and height c. Solve the volume of the box.

ongeveer 7 jaar ago

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Wrapping the Tower of Pisa
The famous artist Christo Vladimirov Javacheff, who likes pizza, wants to wrap the well-known Italian tower in paper. It is a ci...

ongeveer 7 jaar ago

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Sum of the Matrix Elements
Add up all the elements in a NxM matrix where N signifies the number of the rows and M signifies the number of the columns. E...

ongeveer 7 jaar ago

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Area of a Square
Inside a square is a circle with radius r. What is the area of the square?

ongeveer 7 jaar ago

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Multiply by 3
Given the variable x as your input, multiply it by three and put the result in y.

ongeveer 7 jaar ago

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multiply by three
Given the variable x as your input, multiply it by 3 and put the result equal to y. Examples: Input x = 2 Output y is ...

ongeveer 7 jaar ago

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Longest run of consecutive numbers
Given a vector a, find the number(s) that is/are repeated consecutively most often. For example, if you have a = [1 2 2 2 1 ...

ongeveer 7 jaar ago

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Construct an index vector from two input vectors in vectorized fashion
Create an index vector defined by two input vectors, one defining the beginnings of one or more index ranges, and the other defi...

ongeveer 7 jaar ago

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Put two time series onto the same time basis
Use interpolation to align two time series onto the same time vector. This is a problem that comes up in <http://www.mathwork...

ongeveer 7 jaar ago

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Get the elements of diagonal and antidiagonal for any m-by-n matrix
In the problem <http://www.mathworks.com/matlabcentral/cody/problems/858-permute-diagonal-and-antidiagonal Problem 858. Permute ...

ongeveer 7 jaar ago

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intersection of matrices
Given two matrices filled with ones and zeros, determine if they share a common row, column entry. These matrices are of identi...

ongeveer 7 jaar ago

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"Low : High - Low : High - Turn around " -- Create a subindices vector
Let two vectors *lo* and *hi* be given. The job is to create a index vector like so idx = [lo(1):hi(1) lo(2):hi(2) ...]...

ongeveer 7 jaar ago

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Getting the indices from a matrice
Getting the indices from a matrice. Inspired by Problem 645. Getting the indices from a vector by the great Doug Hull. Given a...

ongeveer 7 jaar ago

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Fill a zeros matrix
The aim is to fill an array of all zeros given a numerical value and the index of row and columns for this value. 3 Inputs: ...

ongeveer 7 jaar ago