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Remove multiples of N
in the vector x remove all multiples of N. x = [1 2 3 4 5 6]; N = 2; Then y = [1 3 5];

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Magnitude of a vector
Given a vector x, what is its magnitude?

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Create tangent function out of cosine only
Please don't use tangent and sine functions

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Ratio between sums of prime and non-prime numbers
Write a function that calculates the ratio between the sum of the prime numbers lower or equal than x, and the sum of the non-pr...

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Double the next!
Given two numbers, m and n, find a matrix [m,n] where each element value is twice the value of the previous element. Starting fr...

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Alternate elements!
Write a function that combines two lists by alternating the elements, e.g. ['a','b','c'], ['1','2','3'] → 'a1b2c3'.

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Vector Magnitude Calculator
'a' is a vector that starts at the origin and ends at (x, y). Find ||a||. Hint: It is as simple as "ABC".

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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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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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Throw common elements of two vector arrays
Throw common elements as output of two given input vector arrays

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To convolve two vectors
To convolve two vectors

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Try and Catch Simple Example
Try and Catch Simple Example <http://in.mathworks.com/help/matlab/ref/try.html Example> Vector x=[1 4 6 8 10]; Create...

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Add two hex numbers
Add two hex numbers

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Add two different item as shown in example
Add two different item as shown in example x=5; y='ab'; Then output must be'5ab';

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Find the rank of a matrix
Determine the rank of a matrix without using the MATLAB function of the same name.

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find out eigenvector of matrix
find out eigenvector of matrix A =eye(3); Answer is [0 0 1; 0 1 0; 1 0 0];

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Generate vector according to sign of vector
Generate vector according to sign of vector Example: If A=[-2 0 5] then output must be[-1 0 1] meaning that for negative n...

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Create Vector containing following elements
Create Vector containing following elements A=[pi eps NaN inf -inf flintmax];

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Create an array from 1 to x in steps of 1.

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More Simple String Concatenation
Take the first string input, reverse the order of the string from the end to beginning (i.e. apple becomes elppa), add a space a...

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Simple String Concatenation
This is a simple problem involving taking two incoming strings, and outputting the concatenated string with a space separating t...

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Resizing Matrices
Take an 4x3 matrix, and resize it to a 2x6 matrix

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Matrix element wise multiplication
Take two incoming vectors, and multiply them element wise

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Matrix Ax=B problem
Take a incoming A and B vector, and solve for x

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Return median of a matrix
Compute median of a matrix of any dimension. Exclude the NaNs if any.

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Remove white spaces at the end of the input string
Remove all trailing white spaces at the end of the input strings

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Nth root of a number
Given an input and a number N, find the Nth root of the number(s)

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Sum of unique multiples of 3 and 5
If we list all the natural numbers up to 15 that are multiples of 3 or 5, we get 3, 5, 6, 9, 10, 12 and 15. The sum of these mul...

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

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Find NaNs in the matrix
Return 1s wherever there is a NaN in the input matrix

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