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sum all digits
input = 123456789, output = 1+2+3+4+5+6+7+8+9 = 45

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Change Vector Value
Change the element of the vector with respect to the element of the direction vector If the element of the direction vecto...

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Get 1-4-3-4-4
Get the value of the indices in the title and assign it to an array

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Replace Negative(-) by 0 and positive by 1
In a given Matrix Replace all element having *Negative sign with 0* and *Positive elements with 1* .

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Determine the Anti-diagonal of a Magic Square
Determine the anti-diagonal (crossing from top right to lower left) of a magic square of size n. Examples If n = 3 y =...

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0<=x<=pi?
Check whether the given angle is between zero and pi. Return logical true or false.

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Is It a Palindrome?
Given a string or array, determine if it is a palindrome.

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Add two hex numbers
Add two hex numbers

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Decide whether determinant is zero.
Given a 3 x 3 matrix, find the determinant. Let y = true if the determinant is zero, and let y = false if the determinant is no...

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Is it prime?
Given a number, check whether it is prime or not. If prime output is true, otherwise false.

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Find out Harmonic mean.
Find out Harmonic mean.

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Powers Of
Fill the vector with powers of 2, so that vector(1) is 2^1, vector(2) is 2^2, etc. Stop with vector(10). Complete the function ...

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Reshape a Vector
Write a function that accept three inputs. The first one is a row vector S. The second and third arguments are m and n which de...

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Union of two set decreasing order
Union of two set decreasing order Say, x=[1 2 5] and y=[5 7 8] then answer must be [8 7 5 2 1]

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Perimeters/Circumference
Given an array. Determine whether the perimeter is of a circle, triangle or square. Then calculate the perimeter.

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Try and Catch Simple Example
Try and Catch Simple Example <http://in.mathworks.com/help/matlab/ref/try.html Example> Vector x=[1 4 6 8 10]; Create...

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Make a Star Pyramid
Create a star pyramid. First line will have 1 star, second will have two stars and so on... a basic program which is easily done...

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Feeling lucky?
Guess which number Cody is thinking (1 to 10)? (This is a game of luck more than skill. Good luck!)

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MPS to MPH
Given the speed in miles per second, find the speed in miles per hour.

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Compare two strings.
Compare two strings, whether they are equal or not.

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Find the mean of two vectors
Take two vectors, and output the mean of them (bonus if you don't use the in-built mean function)

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Create a vector of the first n natural numbers (★)
If n = 7, your program should return a vector y, where y = [1 2 3 4 5 6 7].

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Find the sum of the largest two elements in a vector
With this one, you have to find the two largest elements in a vector and output the sum of those numbers.

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Create logarithmically spaced values (★)
Given three numbers a,b,n with b>a, create a vector y with n logarithmic spaced values between 10^a and 10^b. Thus, if a = -2, ...

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Calculate the volume of the cube.
Example n = 3; a = volume(n); a = 27

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Adding Numbers
Add the input numbers to the original.

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Average of odd values
Find the average of odd values in given a matrix. e.g x=[ 4 11 8 ; 9 2 7 ] y =( 11 + 9+ 7 ) / 3

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Product of all elements in an array
Compute the product of all elements in an array.

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Slope of the line passing through two points
Determine the slope of a line passing through the points a=[x1 y1] and b=[x2 y2].

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Find the index of the lowest number in a matrix
Take a matrix, and find the [row cal] index of the lowest number

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