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Volume of this donut
Given hole diameter a, and outermost diameter b, determine the volume y of the resulting donut.

7 years ago

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Remove white space from the string
Remove the white spaces (trailing and leading) from the input variable

7 years ago

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Back to basics 20 - singleton dimensions
Covering some basic topics I haven't seen elsewhere on Cody. Remove the singleton dimensions from the input variable (e.g. if...

7 years ago

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Remove the polynomials that have positive real elements of their roots.
The characteristic equation for a dynamic system is a polynomial whose roots indicate its behavior. If any of the <http://www.ma...

7 years ago

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Divisible by 7
Pursuant to the <http://www.mathworks.com/matlabcentral/cody/problems/42404-divisible-by-2 first problem> in this series, this o...

7 years ago

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Divisible by n, prime divisors (including powers)
For this problem, you will be provided an array of numbers (not necessarily in order). Return the array of numbers with only pri...

7 years ago

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Divisible by n, prime vs. composite divisors
In general, there are two types of divisibility checks; the first involves composite divisors and the second prime divisors, inc...

7 years ago

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Divisible by 15
Write a function to determine if a number is divisible by 15. If a number is <http://www.mathworks.com/matlabcentral/cody/proble...

7 years ago

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Divisible by 12
Write a function to determine if a number is divisible by 12. Similar to the number six, this can be done by checking for divisi...

7 years ago

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Divisible by 8
Pursuant to the <http://www.mathworks.com/matlabcentral/cody/problems/42404-divisible-by-2 first problem> in this series, this o...

7 years ago

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Divisible by 9
Pursuant to the <http://www.mathworks.com/matlabcentral/cody/problems/42404-divisible-by-2 first problem> in this series, this o...

7 years ago

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Divisible by 10
Pursuant to the <http://www.mathworks.com/matlabcentral/cody/problems/42404-divisible-by-2 first problem> in this series, this o...

7 years ago

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Indexed Probability Table
This question was inspired by a Stack Overflow question forwarded to me by Matt Simoneau. Given a vector x, make an indexed pro...

7 years ago

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NO _________ ALLOWED....
So you're given a sentence where if there is a particular word in the sentence then the output is 1, if it is not there then the...

7 years ago

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Matrix of almost all zeros, except for main diagonal
Write a program to input an integer n and build a n-by-n matrix with the numbers 1,2,...,n on the main diagonal and zeros elsewh...

7 years ago

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Matlab Basics II - Intervals
Write a function that takes an interval from a to b, and divides it into 5 parts example: a = 1, b = 2 output = 1 1.25 ...

7 years ago

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Matlab Basics II - Max & Index of Max
Write a function that takes a vector x, then returns both the max value in x and its location in the vector for example x ...

7 years ago

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Rotate a matrix for 180 degree
Rotate a matrix for 180 degree for eg: x=[1 2 3 4] y=[4 3 2 1]

7 years ago

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Rotate Matrix @180 degree
Rotate Matrix @180 degree Example A=[8 1 6; 3 5 7; 4 9 2], then answer would be [2 9 4;...

7 years ago

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Sum of Two Numbers
Given two integer numbers x and y, calculate their sum and put it in z. Examples: Inputs x = 2, y = 4 Output z is 6 ...

7 years ago

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Find the largest number
Given a vector v with 4 elements, find the largest number x. Example: Input: v = [4 7 1 6]; Output: x = 7; You mu...

7 years ago

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Sum of adjacent elements in a vector
Given a vector v, return a vector s containting the sum of every two adjacent elements in the vector. Every element s(i) cont...

7 years ago

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Back to basics 17 - white space
Covering some basic topics I haven't seen elsewhere on Cody. Remove the trailing white spaces from the input variable

7 years ago

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Back to basics 2 - Function Path
Covering some basic topics I haven't seen elsewhere on Cody. Given a string that is the name of a MATLAB function, return a s...

7 years ago

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The Tower of Hanoi
In the <http://en.wikipedia.org/wiki/Tower_of_Hanoi Tower of Hanoi problem> with 3 rods (1, 2 & 3), the goal is to move a tower ...

7 years ago

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Back to basics 19 - character types
Covering some basic topics I haven't seen elsewhere on Cody. Return the number of punctuation characters in the input variabl...

7 years ago

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Are you in XY plane?
Take a point P as an input position Vector (x,y,z). If you are in XY plane, return 1 as an output otherwise return 0. Example...

7 years ago

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Area of a disk
Find the area of a disk or circle. x= radius of the disk.

7 years ago

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Concatenate two strings
Its very easy. Just concatenate two strings.

7 years ago

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Find the area of a triangle
Given a triangle with a base b and height h, return the triangle area.

7 years ago