cokakola
Last seen: 2 days ago
1,033 total contributions since 2016tomato salad and guacamole
cokakola's Badges
Completed both Cody 5th anniversary groups
Awarded to cokakola on 20 Nov 2017
15-year anniversary Scavenger Hunt finisher badge
Awarded to cokakola on 09 Nov 2016
Solve all the problems in Combinatorics I Master problem group
Awarded to cokakola on 14 Nov 2020
Solve all the problems in Logic problem group
Awarded to cokakola on 02 Oct 2020
Solve a community group
Awarded to cokakola on 30 Oct 2019
Comment on a problem or solution
Awarded to cokakola on 27 Nov 2018
Solve all the problems in Cody Challenge
Awarded to cokakola on 23 Nov 2018
Solve Project Euler problems using Matlab
Awarded to cokakola on 20 Sep 2018
Solve all the problems in Strings III
Awarded to cokakola on 18 Sep 2018
Solve all the problems in Strings II
Awarded to cokakola on 07 Sep 2018
Solve all the problems in Strings I
Awarded to cokakola on 05 Sep 2018
Solve all the problems in Draw Letters problem group
Awarded to cokakola on 09 Aug 2018
Solve all the problems in Sequences & Series II
Awarded to cokakola on 02 Aug 2018
Solve all the problems in Sequences & Series I
Awarded to cokakola on 01 Aug 2018
Solve all the problems in Sequences & Series III
Awarded to cokakola on 01 Aug 2018
Solved
Hilbert numbers
Given a positive integer, n, return h as follows: 1. If n is not a <https://en.wikipedia.org/wiki/Hilbert_number Hilbert numb...
3 days ago
Solved
Lah Numbers
Create a square lower diagonal matrix containing the first n Lah number coefficients. In mathematics, the Lah numbers are coeffi...
3 days ago
Solved
Nth roots of unity
First, find the n nth roots of unity. eg if n = 6, find the n distinct (complex) numbers such that n^6 = 1. <https://en.wiki...
3 days ago
Solved
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...
7 days ago
Solved
Index of neighbor pixel with steepest gradient
Unlike in various applications, where the gradient of a two dimensional matrix is calculated in x and y direction, the gradient ...
7 days ago
Solved
2D - Mean Filter
Assume you are given an "image" matrix of size NxM. Reduce the image noise by implementing a mean filter window of size 9 (a 3x3...
7 days ago
Solved
Sum of the pixel values for the blue color
Calculate the sum of the pixel values for the blue color, with a picture as an input. *NOTE:* The picture will be provided as...
7 days ago
Solved
Create an 8-color version of an image
This problem was inspired by a tweet I saw from @MATLAB regarding <http://www.mathworks.com/matlabcentral/fileexchange/37816-the...
7 days ago
Solved
Create different color vectors.
When producing figures with multiple lines on, you often want the lines to all be visible and different colors. Given the need f...
7 days ago
Solved
Perimeter of a semicircle
Given the diameter d, find the perimeter of a semicircle
7 days ago
Solved
Given a square and a circle, please decide whether the square covers more area.
You know the side of a square and the diameter of a circle, please decide whether the square covers more area.
7 days ago
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