A résolu

prime to each other
Given two integers n1, n2 greater than 1, find out if they have common divisors or are prime to each other. Return "true" if the...

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A résolu

Delete the column with all 0 !
Delete the column with all 0 data in a matrix(x). e.g. input x = 1 0 0 4 5 0 7 0 ...

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Find Factrorial without using built-in function
A number is given, you have to find the factorial of the number without using built-in factroial function. You may use loops....

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Average of even-numbered columns
Given a vector, find the average of even-numbered columns. e.g x　=　[ 4 6 8 9 1 2 7 ] y =　( 6 + 9 + 2 ) / 3

presque 6 ans il y a

A résolu

multiple of nine?
Given a positive number n, return true if n is a multiple of 9 and false if not. Do not make the division and do not use functio...

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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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metre to feet converter
The idea is to make a converter, which exchange meters to feets. We use a factor of 1m = 3.281*1f. so 3m are equals to 9.843 m...

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A résolu

imaginary results
Return the value of the imaginary number i to the power of input argument n.

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Réponse apportée
Moving Specific Values In Matrix By One Column
check this circshift(x,-1,2)

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Réponse apportée
CALCULATE norms: l2 and l1 distances
check here L1 norm: norm(v,1) L2 norm: norm(v,2) norm between a and b: norm((b-a),p) where p can be 1,2 or inf.

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Create a code for XNOR
Given two inputs, output XNOR of those two

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Create cosine function out of sine
Please dont use cos(x) directly

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sign function

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step function

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find the index of a number

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Test

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Guess Cipher
Guess the formula to transform strings as follows: 'Hello World!' --> 'Ifmmp Xpsme!' 'Can I help you?' --> 'Dbo J ifm...

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Calculate the Hamming distance between two strings
Inspired by a similar Cody problem found <http://www.mathworks.com/matlabcentral/cody/problems/93-calculate-the-levenshtein-dist...

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A résolu

frame of the matrix
Given the matrix M, return M without the external frame.

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Pernicious Anniversary Problem
Since Cody is 5 years old, it's pernicious. A <http://rosettacode.org/wiki/Pernicious_numbers Pernicious number> is an integer w...

presque 6 ans il y a

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Matrix problem for beginners
Make a matrix [0,0,0;1,1,1;2,2,2]. X=[0,1,2]

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Mid-term report
You just got your mid-term report, but it's full of ones and twos :(. So before you give it to your parents, you change it, in o...

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Box
Give the volume of a box, x is equal to the body diagonal.

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Stairs
Make an n by n matrix, where the elements are ones and zeros. In the main diagonal, and under that, there should be only ones (...

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Square
X is a number, write a code, where Y should be the square of X.

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How many bytes an image requires from RAM?

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Matrix for beginners
Multiply x and y elemwise.

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Estimate Pi by Monte Carlo method

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Get the side length by using the law of cosines.

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Distance Travelled by Vehicle

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