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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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Replace 0 to NaN!
In given matrix A=[1 nan nan; 2 2 nan; nan nan 1]; replace NaN to 0. Use matrix A as a input.

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Finding sum of even numbers in a vector.
Find the sum of all the even numbers present in the input vector x. Examples: Input x = [1 2 3 4] Output y is 6 Input...

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Sort by absolute value
Given a list of numbers, arrange them in ascending order based on their absolute values. For example, for the list [-30, -5, 1...

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Remove Unique Elements
Given a list of integers, we want to keep only the non-unique elements in this list. To do this, we need to remove all the uniqu...

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Solving a quadratic equation
Given a, b and c, Return the solution of the following quadratic equation: a*x^2 + b*x + c = 0.

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Divisors of an integer
Given a number N, return a vector V of all integers that divide N. For example, N = 10 Then V=[1 2 5 10]

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What's Your BMI?
Find the body mass index. For reference, please refer to Wikipedia here: <http://en.wikipedia.org/wiki/Body_mass_index body ...

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Find hen's weight.
If hen weights x kilos on two legs, how much does it weights on one leg? Output the result.

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intervals
Write a function that takes an interval from a to b, and divides it into 6 parts.

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vectors counting by 5
Create a vector with numbers from x_min to x_max in increments of 5.

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Stacking vectors into a matrix
Given a 4x1 vector a, and a 2x2 matrix b, create a matrix M in which the first 2 rows are each identical to a and the last two r...

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Check if inputted variable is a string or a number
Check if a inputted variable is a number or a string, given a string input (i.e. '1' is 1 and thus a number, 'a' is a string).

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Determine if the square root is an integer.
Write code that returns true if perfect square and returns false if square root is not an integer.

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

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Bag of apples
find probabilty of getting red apples from a bag of 'r' red and 'g' green apples.

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Convert hex color specification to MATLAB RGB
Here's something that comes up all the time if you deal with web pages. Given a <http://www.w3schools.com/html/html_colors.as...

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Getting the absolute index from a matrix
This is a basic MATLAB operation. It is for instructional purposes. --- You may already know how to get the <http://www.ma...

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Calculate the height of an object dropped from the sky
Assume that an object is dropped from 1000 meters above the surface of the earth at time t=0. The object is dropped such that t...

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Getting the row and column location from a matrix
This is a basic MATLAB operation. It is for instructional purposes. --- You may already know how to get <http://www.mathwo...

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Basic arrays operations.
Apply element-by-element binary operation 'fun' to two arrays (A and B).

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Determine if Input is Oddish or Evenish (Odd/Even Sum of Digits)
Given a positive integer n, determine whether n is "oddish" or "evenish" - that is, whether the sum of the digits of n is odd or...

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Generate a NaN...on purpose
The goal is to create a function that will return a single "NaN" without using the nan function. I am interested to see how many...

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Add more zeros
Find code that adds one 0 to each sequence of 0 in a string (composed with only 0 or 1). For example: '1010' -> '100100' ...

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Coefficient of Sliding Friction
A weight of W1 N rests on a horizontal plane. The plane is gradually inclined until at an angle θ = Ao with the horizontal, the ...

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Coefficient of Kinetic friction
A robot exerts a F1 lb. force horizontally on a W lb. crate across a concrete floor at a constant speed. What is the coefficien...

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Sideways sum
Given natural number calculate its _population count_.

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Find out if the given number is a square of natural number.
For example , Input =4,output =1 Input=1,output=1 Input=0,output=0 Input=8,output=0

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Perimeter of a Triangle

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Surface area of a sphere
Given the radius of a sphere, find it's Surface area

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