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Rotate Matrix Clockwise (45 Degree)
*Matrix (3x3 only) rotation clockwise*: 2 inputs: *x* matrix and *n* times. output: *y* matrix with *n x 45* degree ro...

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Iccanobif numbers 1
There are a lot of problems in Cody that deal with Fibonacci numbers (1, 1, 2, 3, 5, 8, 13, 21 etc...) so let's turn things arou...

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What digit is it?
The function you are being asked to write will take three numbers (n,x,q) as input. The object of the function is to determine ...

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Reverse Concatenation
Suggest methods to form a Matrix after deleting one of the input's elements. Input should be element's position and output shou...

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Cipher and Decipher the message - 3 key

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Sort numbers by outside digits
Sort the array so that they are sorted as if their value was a 5 digit number made from the first three and last two digits of t...

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Max Change in Consecutive Elements
If an array is given as input then find the index of consecutive elements that represent maximum change. Example: Input ...

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Fault in our Stars - 02
Create a window pattern with h-horizontal bars and v-vertical bars. For example, for h=4,v=4 '**********' '* ...

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Make a logical diamond using GALLERY function
Inspired from <http://www.mathworks.com/matlabcentral/cody/problems/1078-make-a-diamond Problem 1078. Make a diamond> In thi...

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linear least squares fitting
Inputs: * |f|: cell-array of function handles * |x|: column vector of |x| values * |y|: column vector of |y| values, same l...

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Tax Season ! How much is my salary?
Tax Season! I was employed for a period from x until y in a year and I get pay check of amount z on every alternate Friday of th...

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Decipher the number 3 - 10 keys

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Rule of mixtures (composites) - upper bound
The <http://en.wikipedia.org/wiki/Rule_of_mixtures rule of mixtures> is used in the mechanical design of composite structures to...

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Rule of mixtures (composites) - lower bound
The <http://en.wikipedia.org/wiki/Rule_of_mixtures rule of mixtures> is used in the mechanical design of composite structures to...

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Percentage profit:3
x% product is sold at r1% profit. However, our target overall profit is rt%. What is the required percentage profit to meet the ...

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Determine the area of square if length of the diagonal is given

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Given perimeter of a circle(P) and radius(r) find out what is the area of circle.

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Percentage profit:4
If a shopkeeper is selling W gram of salt in 1 dollar he will face r% loss. How much salt he should sell in grams to make r% pro...

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Gauss Eliminate 2-by-2 example
Use forward elimination to make the coefficient matrix, A, an upper triangular matrix, and then solve using back substitution, f...

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Recursive Standard Deviation
When you have a large set of data, it can be resource consuming to calculate standard deviation at every step. So why not calcul...

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Slicing the cube
A bored matlab enthusiast has a cube with volume n^3. He decides to paint the entire surface of the cube red. Then, with slices...

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Grid traversal
Given a line defined by (x1,y1) & (x2,y2),return the number of squares that the line crosses on the grid (a square is 1x1). ...

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Frugal number
check whether n is a frugal number * a frugal number is a natural number in a given number base that has more digits than the...

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lucky
check whether n is a lucky number <https://oeis.org/A000959>

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feeling VERY lucky?
Just like Matthew's problem <http://www.mathworks.com/matlabcentral/cody/problems/2793 2793> and Edward's problem <http://www.ma...

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i was a mistake

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ZigZag - 03
Given a matrix of any size, print its elements from the zigzag form of the matrix. For example, a=[1 2 3; 4 5 6; ...

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ZigZag - 05
Given a matrix, print all its elements in the alpha form. For example - a=[16 2 3 13 5 11 10 8 ...

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Recursion - Fun
Generate the first k terms in the sequence a(n) define recursively by a(n+1)=p*a(n)+(1+a(n)) with p=0.9 and a(1)=0.5 ...

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Three grind is shipsstraigt
A function that returns either 'Rock', 'Scissors', or 'Paper' (string). You may succeed or you may fail the (case insensitive) t...

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