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Find max prime number
Given integer number n. Find the max prime number (mpn) that smaller than or equal to n. Example: n = 10 --> mpn = 7

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Find the number that has most primes those less than it
Given an vector x of integer numbers, find the element of x that has the most primes less than it.

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Usage of varargout
This Challenge is to demonstrate usage of varargout. Output a cell array using varargout of magic squares of size 1 thru n. ...

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How to multiply?
* Imagine you are in 3012 Anno Domini, when everyone must learn how to multiply, * and competing for the highly prestigious pos...

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How to add?
* Imagine you are in 2222 Anno Domini, when everyone must learn how to add, * and competing for the highly prestigious post of,...

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Solving Quadratic Equations (Version 2)
Before attempting this problem, solve version 1: <https://www.mathworks.com/matlabcentral/cody/problems/2510-solving-quadratic-...

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Perl 2: pop
_This is part of a series of perl function which were very helpful for many perl programmers. Could you implement it in Matlab?_...

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Infinite precision division
Develop a function that will divide a very very large integer numerator, supplied to function as a string (e.g., '12233344445555...

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Array ex-OR
There are in MATLAB logical functions such as _<http://www.mathworks.co.uk/help/matlab/ref/and.html and>,_ _<http://www.math...

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Please check the last row
We have data of matrix, that is input. That contains 2 or more rows and the last row should contain the average of each column,...

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Perl 1: push
_This is part of a series of perl function which were very helpful for many perl programmers. Could you implement it in Matlab?_...

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The Birthday Phenomenon
First off, leap years are not being considered for this. In fact the year that people are born shouldn't be taken into considera...

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Interior angles
Find the sum of interior angles for polygon of x sides.

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Convert number from given base to other base
Convert number from given base to other base. Example 400 in base 5, find equivalent number in base 8, it is 144.

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Find difference of two set as per example
Find difference of two set as per example Say x=[1:5] and y=[2:6] then, set_diff(x,y) should give output[1] and set_diff(y...

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Find scalar product of two polynomials a and b, given as vector array.
Find scalar product of two polynomials given as vector array. Example a=[1 -1 2]; b=[2 4 1]; result=0

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Calculate roots of polynomial given as vector array.
Calculate roots of polynomial given as vector array. Example x=[1 2 0 5 0 3] result=[-2.7267 ; ...

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Solve t^(a*x^2+b*x+c)=s
Solve t^(a*x^2+b*x+c)=s. Return x vector as result. Example a=1, b=2, c=1, t=3, s=15. Result x(1)= 0.5700 x(2)=-2.5700 H...

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given number is power of n or not?
Check weather The input is power of n or not? for example x=8,n=2 --> true x=6,n=2 --> false

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

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Create incremental spiral WITHOUT USING EVAL or FEVAL
Constructions that use feval or eval are used to cheat with cody. This test-suite tries to avoid that trick. The goal of this...

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Adding Numbers
Add the input numbers to the original.

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Calculate the CIRCUMFERENCE of circle.
Given the radius is 2, the circumference will be 12.5663.

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Permutations of input vector
Find and output all permutations of given vector

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Adding Cells with numbers defined as strings
Given a cell, with strings representing numbers, add each value. For example: a = {'9','33'}; the output should be: ...

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cube of number
find cube of number

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square of a number
find square of a given number

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square root
Find square root of given number

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