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Sum of big primes without primes
Inspired by Project Euler n°10 (I am quite obviously a fan). With problem n°250 by Doug, you can find some global methods to ...

5 years ago

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Number of even divisors of a given number
Given a Number n, return the number of its even divisors without listing them. example: n=14 ; EvenDivisors={2,14} ; y=2 ...

5 years ago

Solved

Divisors for big integer
Inspired by Problem 1025 and Project Euler 12. Given n, return the number y of integers that divide N. For example, with ...

5 years ago

Solved

Rearrange the given matrix to have all its zeros climb up to the top of each column - using for loops.
Given a matrix x, *using loops only* return a matrix y, in which all the zeros have "climbed" up to the top. That is, any zeros ...

5 years ago

Solved

Given a matrix A return a vector of the product of the elements in each column using a loop without using prod.
--------------------- for m: 3 1 3 3 10 1 9 1 9 4 1 4 5 6 5 ...

5 years ago

Solved

Sum of the pixel values for the blue color
Calculate the sum of the pixel values for the blue color, with a picture as an input. *NOTE:* The picture will be provided as...

5 years ago

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Find the next Fibonacci number
In the sequence of Fibonacci numbers, every number is the sum of the two preceding ones: 1, 1, 2, 3, 5, 8, 13, 21, 34, 55...

5 years ago

Solved

Is X a Fibonacci Matrix?
In honor of Cleve's new blog and post: <http://blogs.mathworks.com/cleve/2012/06/03/fibonacci-matrices/> Is X a Fibonacci ...

5 years ago

Question

Error while using Polyval
While solving a problem using polyval, I encountered an error. Here is the screenshot of the code attached (just the part which ...

5 years ago | 1 answer | 0

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answer

Solved

How many jokers?
* Given DNA codes of a group of suspects, * and a code for certain types of jokers, * Count how many jokers of that type. * ...

5 years ago

Solved

Make blocks of color
Given a (Nx3) sequence of RGB colors, I want to create a (numRowBlocks x numColBlocks x 3) image comprising (blockSize x blockSi...

5 years ago

Solved

Create an 8-color version of an image
This problem was inspired by a tweet I saw from @MATLAB regarding <http://www.mathworks.com/matlabcentral/fileexchange/37816-the...

5 years ago

Solved

Classification metrics

5 years ago

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F-score

5 years ago

Solved

Swap Red and Blue

5 years ago

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Gray Image

5 years ago

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LASER Tracker - Mirror Distance and Angle
Determine the mirror's distance and relative angle to the LASER Tracker given the distances to a reference SMR (Spherical Mounte...

5 years ago

Solved

Mersenne Primes
A Mersenne prime is a prime number of the form M = 2^p - 1, where p is another prime number. For example, 31 is a Mersenne prim...

5 years ago

Solved

Combine the first and last names
MATLAB R2016 provides a rich set of functions to work with string arrays. In this problem, you will be given two string arrays o...

5 years ago

Solved

cos for boss?
a programmer had too much coffee and his boss needs cos(alpha+beta) correctly, especially when alpha or beta are close to pi/2 a...

5 years ago

Solved

Rotate the Image

5 years ago

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find the index of local maximum in matrix

5 years ago

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Flip the Image

5 years ago

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Divisors

5 years ago

Solved

Mean Square Error

5 years ago

Solved

Solve the recursion

5 years ago

Solved

find the index of local minimum in the matrix

5 years ago

Solved

Sum multiples

5 years ago

Solved

Taxi vs Euclides

5 years ago

Solved

Minkowski distance

5 years ago