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Arithmetic array operations
* Add x to each element of array temperatureReadings.

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Project Euler: Problem 7, Nth prime
By listing the first six prime numbers: 2, 3, 5, 7, 11, and 13, we can see that the 6th prime is 13. What is the Nth prime nu...

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Filter AC, pass DC
Input x is the sampled signal vector, may have both AC and DC components. Output vector y should not contain any AC component. ...

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Solving Quadratic Equations (Version 1)
Quadratic equations have the form: ax^2 + bx + c = 0. Example: x^2 + 3x + 2 = 0, where a = 1, b = 3, and c = 2. The equation has...

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Close MATLAB with keyboard
Close MATLAB with keyboard without using mouse

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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...

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Related Vectors
I have two vectors A & B. If the values in vector A is zero then the corresponding value in vector B should be zero. Example:...

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Switch matrix to a column vector
for e.g. x = [1 2 3 4] y = 1 3 2 4

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Singular Value Decomposition
Calculate the three matrices of the singular value decomposition (A = U*S*V^T) for each provided matrix. U and V are square unit...

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Approximation of Pi (vector inputs)
Pi (divided by 4) can be approximated by the following infinite series: pi/4 = 1 - 1/3 + 1/5 - 1/7 + ... For a given numbe...

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Project Euler: Problem 6, Natural numbers, squares and sums.
The sum of the squares of the first ten natural numbers is, 1^2 + 2^2 + ... + 10^2 = 385 The square of the sum of the first ...

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Approximation of Pi
Pi (divided by 4) can be approximated by the following infinite series: pi/4 = 1 - 1/3 + 1/5 - 1/7 + ... For a given numbe...

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Is this number Munchhausen Narcissistic?
In this problem, simply return 1 if a supplied number is Munchhausen narcissistic or 0 if not. Example 153 is narcissistic...

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Narcissistic number ?
Inspired by Problem 2056 created by Ted. In recreational number theory, a narcissistic number is a number that is the sum of ...

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Kaprekar numbers
Test if the input is a Kaprekar number: <http://mathworld.wolfram.com/KaprekarNumber.html>. Return a logical true or false. ...

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Find the 9's Complement
Find the 9's complement of the given number. An example of how this works is <http://electrical4u.com/9s-complement-and-10s-c...

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Evil Number
Check if a given natural number is evil or not. Read more at <https://oeis.org/A001969 OEIS>.

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Next Higher Power of B
|Given a number _n_ and a base _B_ greater than 1, return the lowest integer power of _B_ that is greater than or equal to _n_. ...

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Factorial Numbers
Factorial is multiplication of integers. So factorial of 6 is 720 = 1 * 2 * 3 * 4* 5 *6 Thus 6 factorial = factorial(720)....

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Adding and Subtracting UINT variables
Given UINT class variables output the correct solution to A-B+C. *Input:* A,B,C Three uint variables *Output:* solution ...

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Factorial: Unlimited Size : java.math
This challenge is an application of java.math that allows unlimited precision calculations. The primary reference sites are <ht...

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Usage of java.math : N Choose K with unlimited precision
Calculate the binomial coefficient nchoosek with full accuracy. This challenge may use the wonderful word of java.math that allo...

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No Twins?
Write a function that accepts as input a vector and returns the same vector, but retaining only the first occurrence of an eleme...

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Usage of java.math : Add, Multiply, Pow
This challenge is an introduction to the wonderful word of java.math that allows unlimited precision calculations. The primary ...

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Calculate the Hamming distance between two strings
Inspired by a similar Cody problem found <http://www.mathworks.com/matlabcentral/cody/problems/93-calculate-the-levenshtein-dist...

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Elapsed time is -0.005204 seconds.
Write a function that takes less than zero seconds to execute, as measured using tic and toc. For repeatability, the test case p...

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Matlab Basics - y as a function of x
write a script to calculate y as a function of x, such that y = 6x^2 + 5x - 2

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Matlab Basics - Create a row vector
Write a Matlab script to create a row vector of 10 consecutive numbers x = [1 2 3 4 5 6 7 8 9 10]

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Cumulative maximum of an array
Find the cumulative maximum of an array without using the built-in function <http://www.mathworks.com/help/matlab/ref/cummax.htm...

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Cumulative minimum of an array
Find the cumulative minimum of an array without using the built-in function <http://www.mathworks.com/help/matlab/ref/cummin.htm...

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