A résolu


Flip the vector from right to left
Flip the vector from right to left. Examples x=[1:5], then y=[5 4 3 2 1] x=[1 4 6], then y=[6 4 1]; Request not ...

environ 4 ans il y a

A résolu


Whether the input is vector?
Given the input x, return 1 if x is vector or else 0.

environ 4 ans il y a

A résolu


Find max
Find the maximum value of a given vector or matrix.

environ 4 ans il y a

A résolu


Get the length of a given vector
Given a vector x, the output y should equal the length of x.

environ 4 ans il y a

A résolu


Inner product of two vectors
Find the inner product of two vectors.

environ 4 ans il y a

A résolu


Arrange Vector in descending order
If x=[0,3,4,2,1] then y=[4,3,2,1,0]

environ 4 ans il y a

A résolu


Given two arrays, find the maximum overlap
Given two arrays s1 and s2, create a new array s3 which is as short as possible and contains both arrays. If s1 = [1 2 3 4 5]...

environ 4 ans il y a

A résolu


Target sorting
Sort the given list of numbers |a| according to how far away each element is from the target value |t|. The result should return...

environ 4 ans il y a

A résolu


It dseon't mettar waht oedrr the lrettes in a wrod are.
An internet meme from 2003 (read more here) asserted that readers are relatively insensitive to letter order in words, so long a...

environ 4 ans il y a

A résolu


Indexed Probability Table
This question was inspired by a Stack Overflow question forwarded to me by Matt Simoneau. Given a vector x, make an indexed pro...

environ 4 ans il y a

A résolu


Remove the polynomials that have positive real elements of their roots.
The characteristic equation for a dynamic system is a polynomial whose roots indicate its behavior. If any of the roots of the p...

environ 4 ans il y a

A résolu


Longest Divisor Run
Given the vector a, find the longest run of consecutive numbers that can be evenly divided by the same number d where d > 1. ...

environ 4 ans il y a

A résolu


Remove the small words from a list of words.
Your job is to tidy up a list of words that appear in a string. The words are separated by one or more spaces. Remove all words ...

environ 4 ans il y a

A résolu


Prime factor digits
Consider the following number system. Calculate the prime factorization for each number n, then represent the prime factors in a...

environ 4 ans il y a

A résolu


Mandelbrot Numbers
The <http://en.wikipedia.org/wiki/Mandelbrot_set Mandelbrot Set> is built around a simple iterative equation. z(1) = c z...

environ 4 ans il y a

A résolu


Test for balanced parentheses
Given the input inStr, give the boolean output out indicating whether all the parentheses are balanced. Examples: * If ...

environ 4 ans il y a

A résolu


DNA N-Gram Distribution
Given a string s and a number n, find the most frequently occurring n-gram in the string, where the n-grams can begin at any poi...

environ 4 ans il y a

A résolu


Implement a ROT13 cipher
Replace each character in string s1 with the character that is shifted 13 positions from it (wrap back to the beginning if neces...

environ 4 ans il y a

A résolu


Clean the List of Names
Given a list of names in a cell array, remove any duplications that result from different capitalizations of the same string. So...

environ 4 ans il y a

A résolu


De-dupe
Remove all the redundant elements in a vector, but keep the first occurrence of each value in its original location. So if a =...

environ 4 ans il y a

A résolu


Find the palindrome
Given the string a, find the longest palindromic sub-string b. So when a = 'xkayakyy'; you should return b = 'kayak';

environ 4 ans il y a

A résolu


Balanced number
Given a positive integer find whether it is a balanced number. For a balanced number the sum of first half of digits is equal to...

environ 4 ans il y a

A résolu


Replace NaNs with the number that appears to its left in the row.
Replace NaNs with the number that appears to its left in the row. If there are more than one consecutive NaNs, they should all ...

environ 4 ans il y a

A résolu


Interpolator
You have a two vectors, a and b. They are monotonic and the same length. Given a value, va, where va is between a(1) and a(end...

environ 4 ans il y a

A résolu


Read a column of numbers and interpolate missing data
Given an input cell array of strings s, pick out the second column and turn it into a row vector of data. Missing data will be i...

environ 4 ans il y a

A résolu


Alphabetize by last name
Given a list of names in a cell array, sort the list by the last name. So if list = {'Barney Google','Snuffy Smith','Dagwood ...

environ 4 ans il y a

A résolu


Find the peak 3n+1 sequence value
A Collatz sequence is the sequence where, for a given number n, the next number in the sequence is either n/2 if the number is e...

environ 4 ans il y a

A résolu


Kaprekar Steps
6174 is the <http://en.wikipedia.org/wiki/6174_%28number%29 Kaprekar constant>. All natural numbers less than 10,000 (except som...

environ 4 ans il y a

A résolu


Find common elements in matrix rows
Given a matrix, find all elements that exist in every row. For example, given A = 1 2 3 5 9 2 5 9 3 2 5 9 ...

environ 4 ans il y a

A résolu


The Goldbach Conjecture, Part 2
The <http://en.wikipedia.org/wiki/Goldbach's_conjecture Goldbach conjecture> asserts that every even integer greater than 2 can ...

environ 4 ans il y a

Charger plus