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Area of a disk
Find the area of a disk or circle. x= radius of the disk.

alrededor de 12 años hace

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Find the Nth Root of a Given Number
Find the Nth root of a given number x. Examples x = 4096 n = 4 y = 8 x = 625 n = 5 y = 3.6239

alrededor de 12 años hace

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Obscured by Earth
Given two points in <http://en.wikipedia.org/wiki/Earth-centered_inertial ECI> reference frame, check wheather they are in line-...

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Determine connected components of a graph
Adjacency matrix of an undirected graph is given. Return the number of connected components in the graph.

alrededor de 12 años hace

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Integer sequence - 2 : Kolakoski sequence
Get the n-th term of <https://oeis.org/A000002 Kolakoski Sequence>.

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Fermat's last theorem - again
For a given integer n, express it as a sum of two squares if possible. Return empty matrix otherwise. Solution may not be unique...

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Tribute to Ramanujan
The nth taxicab number, denoted as T(n), is defined as the smallest number that can be expressed as a sum of two positive algebr...

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Convert a numerical matrix into a cell array of strings
Given a numerical matrix, output a *cell array of string*. For example: if input = 1:3 output is {'1','2','3'} whic...

alrededor de 12 años hace

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I want eval
A valid MATLAB statement containing a definition of a vector is passed as a string S. Determine the length of the vector. Inp...

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Neither minima nor maxima
Input v is a vector. Return all the elements of v which are not a local minimum or maximum. Example: v = [1 2 3 4 5] Ou...

alrededor de 12 años hace

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Generate this matrix
For a given odd integer n, generate a matrix as follows: Input: n = 5; Output: [ 2 1 0 0 0 1 ...

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Convert a vector into numbers
Suppose a vector x = [ 1 2 4 7] is given. You have to convert this vector into string number y = '1247'. Examples x = [ 1...

alrededor de 12 años hace

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What day is it?
Tell me what day is it. Return the full name of the day of the week as a string. e.g. It's June 12th 2014, so your function s...

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Integer Sequence - 1
Check the test suite to determine the relationship between input integer scalar and output integer scalar.

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Sort the vector with the given index
Given x = [1 2 4 8 17] and t = [1 3 2 5 4] then y = [1 4 2 17 8].

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Sum of the Matrix Elements
Add up all the elements in a NxM matrix where N signifies the number of the rows and M signifies the number of the columns. E...

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Replace Nonzero Numbers with 1
Given the matrix x, return the matrix y with non zero elements replaced with 1. Example: Input x = [ 1 2 0 0 0 ...

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Elements with highest local average
Input v is a row vector such that length(v)>3. Consider a sliding window of length 3 that is used to calculate the local average...

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Tic Tac Toe Solver
Create a function that checks n number of tic tac toe boards housed in a 3x3xn matrix where the x's are represented as 1's (and ...

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row-th maximum row elements
Input a is a square matrix of size n*n. Output vector v is of size 1*n. The ith element of output v is the ith largest element o...

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N-Dimensional Sorting
Given two N-dimensional matrices A and B, first sort A in increasing order and then sort B with respect to the index of A. Y...

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Sort numbers by outside digits
Sort the array so that they are sorted as if their value was a 5 digit number made from the first three and last two digits of t...

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Wrapping the Tower of Pisa
The famous artist Christo Vladimirov Javacheff, who likes pizza, wants to wrap the well-known Italian tower in paper. It is a ci...

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Find maximum value of a curve
Two vectors shall be already defined: - Input vector x (e.g. x = 0:1:10) - Result vector y (e.g. y = sin(x)) Create a n...

más de 12 años hace

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Numbers spiral diagonals (Part 2)
Inspired by Project Euler n°28 and 58. A n x n spiral matrix is obtained by starting with the number 1 and moving to the righ...

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Path calculation with polynomials
Let a vector x be the input to our function. 1. If a value of an input vector element x is lower than 0, set this value to 0....

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Numbers spiral diagonals (Part 1)
Inspired by Project Euler n°28 et 58. A n x n spiral matrix is obtained by starting with the number 1 and moving to the right...

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Sum the entries of each column of a matrix which satisfy a logical condition.
Given a numeric matrix A and a logical array L of the same size as A, return a row vector S containing the columnwise sums of th...

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Vectorizing, too easy or too hard?
Please insert a . before any ^, * or / in the string. That's it!!

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Is the Point in a Circle?
Check whether a point or multiple points is/are in a circle centered at point (x0, y0) with radius r. Points = [x, y]; c...

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