Cris Luengo
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http://www.crisluengo.net/ Professional Interests: Image analysis
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DURCHSCHNITTLICHE ANZAHL DER LIKES
1 of your answers has been accepted
Awarded to Cris Luengo on 20 Jul 2017
Provide your first answer ever to someone else's question
Awarded to Cris Luengo on 20 Jul 2017
Solve all the problems in Cody Challenge
Awarded to Cris Luengo on 23 Jul 2024
Obtain 50 solvers for a problem you have created
Awarded to Cris Luengo on 19 Jul 2024
Your submissions received 10 five star ratings
Awarded to Cris Luengo on 30 May 2020
Your submissions were downloaded 30 or more times in a month
Awarded to Cris Luengo on 01 Nov 2019
Publish your first review
Awarded to Cris Luengo on 09 Oct 2019
Have 1 submission connected to GitHub
Awarded to Cris Luengo on 09 Oct 2019
Publish your first submission
Awarded to Cris Luengo on 09 Oct 2019
Create a problem
Awarded to Cris Luengo on 17 Jul 2012
Comment on a problem or solution
Awarded to Cris Luengo on 10 Jul 2012
Like a problem or solution
Awarded to Cris Luengo on 28 Feb 2012
Feeds
Gelöst
Scrabble Scores
Given a word, determine its score in <http://en.wikipedia.org/wiki/Scrabble Scrabble>. The input string will always be provi...
fast 4 Jahre vor
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Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...
fast 4 Jahre vor
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Factorize THIS, buddy
List the prime factors for the input number, in decreasing order. List each factor only once, even if the factorization includes...
mehr als 12 Jahre vor
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Bottles of beer
Given an input number representing the number of bottles of beer on the wall, output how many are left if you take one down and ...
mehr als 12 Jahre vor
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radius of a spherical planet
you just measured its surface area, that is the input.
mehr als 12 Jahre vor
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Reverse the vector
Reverse the vector elements. Example: Input x = [1,2,3,4,5,6,7,8,9] Output y = [9,8,7,6,5,4,3,2,1]
mehr als 12 Jahre vor
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Find the palindrome
Given the string a, find the longest palindromic sub-string b. So when a = 'xkayakyy'; you should return b = 'kayak';
mehr als 12 Jahre vor
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Prime factor digits
Consider the following number system. Calculate the prime factorization for each number n, then represent the prime factors in a...
mehr als 12 Jahre vor
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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...
mehr als 12 Jahre vor
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It dseon't mettar waht oedrr the lrettes in a wrod are.
An internet meme from 2003 (read more <http://www.snopes.com/language/apocryph/cambridge.asp here>) asserted that readers are re...
mehr als 12 Jahre vor
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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 ...
mehr als 12 Jahre vor
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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...
mehr als 12 Jahre vor
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Distance walked 1D
Suppose you go from position 7 to 10 to 6 to 4. Then you have walked 9 units of distance, since 7 to 10 is 3 units, 10 to 6 is 4...
mehr als 12 Jahre vor
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Rotate input square matrix 90 degrees CCW without rot90
Rotate input matrix (which will be square) 90 degrees counter-clockwise without using rot90,flipud,fliplr, or flipdim (or eval)....
mehr als 12 Jahre vor
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Mandelbrot Number Test [Real+Imaginary]
The <http://en.wikipedia.org/wiki/Mandelbrot_set Mandelbrot Set> is built around a simple iterative equation. z(1) = c z...
mehr als 12 Jahre vor
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Solve Quadratic : No * - or key functions permitted
Solve the quadratic equation *ax^2+bx+c=0*. However, some of the normal functions and symbols are not allowed. x=[ -b +/- sq...
mehr als 12 Jahre vor
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Find third Side of a right triangle given hypotenuse and a side. No * - or other functions allowed
Find the remaining side of a triangle given the hypotenuse and a side. However, the normal functions and symbols are not allowe...
mehr als 12 Jahre vor
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Multiply 2 numbers
Very easy, you just have to multiply 2 numbers but you cannot use the following signs (*, /, - ,^) ,mtimes , times, cross, pro...
mehr als 12 Jahre vor
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Top of the Hour : Return from your routine within 1 second of the hour
*Top of the Hour* Submit your routine such that it returns to Cody after the hour and within 1 second of the hour. The tes...
mehr als 12 Jahre vor
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Cody Computer Part 4 : Are you a morning Cody player Addicted ?
This is a stupid Cody challenge. You just have to *click "Submit" between 7 and 9 AM.* ... Greenwich Mean Time (GMT). To see ...
mehr als 12 Jahre vor
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Fill a zeros matrix
The aim is to fill an array of all zeros given a numerical value and the index of row and columns for this value. 3 Inputs: ...
mehr als 12 Jahre vor
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Change a specific color in an image
The ability to change colors can be a useful tool in image processing. Given an m x n x 3 array (much like CData in images), fin...
mehr als 12 Jahre vor
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Cody Computer Part 5 - Guess the Name of Cody Computer
Network computers have generally a nickname to be identified. Can you guess the nickname of the Cody Computer? No inpu...
mehr als 12 Jahre vor
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Find all the zeros of sinus , cosinus and tangent in a given interval
The aim is to find all the zeros of a function within an interval. *Input* : * fcn : an anonymous function (@sin, @cos......
mehr als 12 Jahre vor
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Check if number exists in vector
Return 1 if number _a_ exists in vector _b_ otherwise return 0. a = 3; b = [1,2,4]; Returns 0. a = 3; b = [1,...
mehr als 12 Jahre vor
Problem
Compute the dilation of a binary image
A basic operation in image analysis is the dilation. Given an image where each pixel is either on or off (black/white, true/fals...
mehr als 12 Jahre vor | 2 | 51 Lösungsvorschläge
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Compute the dilation of a binary image
A basic operation in image analysis is the dilation. Given an image where each pixel is either on or off (black/white, true/fals...
mehr als 12 Jahre vor
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Find the two-word state names
Given a list of states, remove all the states that have two-word names. If s1 = 'Alabama Montana North Carolina Vermont N...
mehr als 12 Jahre vor
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Find state names that start with the letter N
Given a list of US states, remove all the states that start with the letter N. If s1 = 'Alabama Montana Nebraska Vermont Ne...
mehr als 12 Jahre vor
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"Low : High - Low : High - Turn around " -- Create a subindices vector
Let two vectors *lo* and *hi* be given. The job is to create a index vector like so idx = [lo(1):hi(1) lo(2):hi(2) ...]...
mehr als 12 Jahre vor
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