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Change matrix to vector2
From x = 4 3 5 1 5 1 To y = 4 3 5 1 ...

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Replace 0 to NaN!
In given matrix A=[1 nan nan; 2 2 nan; nan nan 1]; replace NaN to 0. Use matrix A as a input.

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Odd times even numbers in a matrix
First count the number of odd numbers in x, then the number of even. Return their product. example: x = [1 2] One odd ...

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Second smallest number
What is the second smallest number in x? example: x = [1 2 3 4 5 6 7 8 9] y = 2

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Add the even numbers
Add only the even numbers of x example: x = [1 2 3 4 5] the positive numbers are: 2 4, so their sum is 6

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Determinate if day D is a date that occurs during Daylight Saving Time in Italy
<https://en.wikipedia.org/wiki/Summer_Time_in_Europe>

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How many hours are there in a day in Italy?
Remember "European Summer Time"

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Calculate the answer to life the universe and everything
<https://en.wikipedia.org/wiki/42_(number)>

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Calculate the hypotenuse of a right triangle without using ^ and sqrt ()
Find out the hypotenuse of right triangle. Say a = 4, b = 3 then c = 5 Please don't use ^ and sqrt() function.

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Calculate cosine without cos(x)
Solve cos(x). The use of the function cos() and sin() is not allowed.

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Calculate sin(x) without sin(x)
Calculate y = sin(x) x = 0 -> y= 0 without the use of sin(x) or cos(x)

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calculate PI without using pi function
There are many methods to get the pi(Ratio of circumference to diameter). You should get pi without using the pi function in M...

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Calculate the number of elements in a matrix.
Calculate the number of elements in a matrix.

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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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Calculate the values of a polynomial.
Calculate the values of a polynomial.Input parameter p - vector of polynomial coefficients, x - matrix of the argument values. ...

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Find the volume of cone
Find the volume of cone, when given radius(r) and height(h).

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Volume of Cylinder
Find the volume of a cylinder

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easy problem
Find the last element of the array

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Crea un vector de enteros repitiendo sus términos de la siguiente forma 122333444455555

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Create a matrix with difference of each row of input matrix
With a given input matrix A, create a output matrix B in such a way that each row in B is a difference of rows of input matrix A...

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Find and replaces spaces from a input string with *
For a given input string str, find how many spaces are there in the string and replace those spaces with * e.g. str = 'this is ...

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Largest Prime Number
Given a matrix X, find the largest prime number in X.

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Odd row
Create a row 'y' with odd numbers where the potential maximum number is given by 'x' and the space between them by 'm'. The firs...

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Cody problems in French : Trouvez la logique Pt.2
Trouvez la logique entre x et y, aidez-vous de la test suite. Bon courage. P.S: L'utilisation de "^" est de nouveau fortement...

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Cody Problems in French : Trouvez la logique Pt.1
On rentre x = 4 et il en sort y = 160. Trouvez la logique entre x et y, aidez-vous de la test suite. Bon courage. P.S: L'...

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Calculate the square of a number (Super Easy)
The goal is to calculate the square (y) of a number (x). Good way to start MatLab for beginners.

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Number Power
Raise a number to itself.

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

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Find the minimum element of the matrix
Example: If x = [3 9; 5 2] then y = 2

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calculate linear convolution two vectors
for e.g in: a = [1 2 3] b = [4 5 6] out: y = [4 13 28 27 18]

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