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Assigning a sum
* Write a statement that assigns numCoins with numNickels + numDimes.

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Delete 2nd and 5th column of Given 6*6 matrix
Delete the 2nd and 5th columns of the given 6*6 matrix. Example Suppose A = magic(6) 35 1 6 26 19 ...

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Change the first and last diagonal element of the identity matrix to zero
Starting with the identity matrix, change first and last diagonal element to zero. Example If n=5 A = 0 0 ...

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Find out total non zero element of matrix
Find out Non zero element of matrix A=magic(5) 17 24 1 8 15 23 5 7 14 16 4 6...

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Convert given decimal number to binary number.
Convert given decimal number to binary number. Example x=10, then answer must be 1010.

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Remove the Zero
Given an array n, remove all zeros

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Find Out sum of principal diagonal element of given matrix
Find out sum of principal diagonal element of given matrix If A=[1 0 0; 0 1 0;0 0 1], then answer must be 3.

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Remove the middle element from a vector
Remove the middle element of a vector? *Example:* [1,2,3] should return 2 [1,2,3,4] should return 2 [] should return...

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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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vector to string
Determine what the ASCII characters spell out. Example: input = [ 72 73 71 72] output = 'HIGH'

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Coordinate geometry
Assign pointsDistance with the distance between point (x1, y1) and point (x2, y2). The distance is calculated by: Distance =...

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It's race time again! Write a function that is at least twice as fast as the test suite call of repmat().
Given an input element x, and the dimensions, (m, n) return a matrix of size m x n filled with element x. This must be done in l...

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Fix the last element of a cell array
Note: this is lifted directly from <http://www.mathworks.com/matlabcentral/answers/82825-puzzler-for-a-monday Puzzler for a Mond...

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Community Problem 500!
In honor of this being the 500th Community problem, see if you can create a function that has a Cody size of 500. It can do any...

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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...

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Determine if input is a Narcissistic number
<http://en.wikipedia.org/wiki/Narcissistic_number Narcissistic number> is a number that is the sum of its own digits each raised...

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Determine whether a vector is monotonically increasing
Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...

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COUNT VOWEL
Count, how many times vowels occurred. EXAMPLE: x='string the MaTLaBiAn' then the answer will be 6. x='coUnt the vowEl' th...

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Sum the 'edge' values of a matrix
Sum the 'edge' values of an input matrix (the values along the perimeter). Example [1 2 3 4 5 6 7 8 9] Output = ...

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

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Half-Swap
Given a vector with an even number of elements, rearrange it so that the elements in its first half are switched with those i...

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Cell Counting: How Many Draws?
You are given a cell array containing information about a number of soccer games. Each cell contains one of the following: * ...

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Vector of numbers divisible by 3
* Input(n) - any integer * Output(v) - vector with numbers divisible by 3(exept 0) starting from n to 0 Examples: * n=6...

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Find nth maximum
Find nth maximum in a vector of integer numbers. Return NaN if no such number exists. x = [2 6 4 9 -10 3 1 5 -10]; So ...

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Find and replaces spaces from a input string with *
For a given input string str, find how many spaces are there in the string and replace those spaces with * e.g. str = 'this is ...

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

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Create One Large Eye of size N x N Quickly?
*<http://en.wikipedia.org/wiki/Aye_(yes) Aye !!!>*

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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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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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Max of a Vector
Write a function to return the max of a vector

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