goc3
Last seen: 4 days ago
2,953 total contributions since 2014Materials Scientist / Metallurgist / Mechanical Engineer
goc3's Badges
MATLAB Central Treasure Hunt finisher badge
Awarded to goc3 on 23 Sep 2020
Completed both Cody 5th anniversary groups
Awarded to goc3 on 21 Dec 2017
Contributed problems to the Cody 5th anniversary groups
Awarded to goc3 on 16 Oct 2017
1 of your answers has been accepted
Awarded to goc3 on 20 Jul 2017
Provide your first answer ever to someone else's question
Awarded to goc3 on 20 Jul 2017
Receive 10 likes on a problem you have created
Awarded to goc3 on 01 May 2021
Solve a community group
Awarded to goc3 on 06 Apr 2021
Solve all the problems in Introduction to MATLAB problem group
Awarded to goc3 on 08 Aug 2019
Publish your first comment or rating
Awarded to goc3 on 09 Oct 2019
Obtained 200 Solvers for the group created
Awarded to goc3 on 16 Jan 2019
Solve all the problems in Matrix Patterns II
Awarded to goc3 on 19 Sep 2018
Solve all the problems in Matrix Patterns III problem group
Awarded to goc3 on 19 Sep 2018
Solve Project Euler problems using Matlab
Awarded to goc3 on 11 Sep 2018
Solve all the problems in Matrix Manipulation II
Awarded to goc3 on 02 Aug 2018
Matrix Patterns I Master
Awarded to goc3 on 02 Aug 2018
Solved
Which permutation is it?
Let write some permutations of positive integers. 1: 1 2 3 4 5 6 ... 2: 2 1 3 4 ... 3: 1 3 2 4 ....
12 days ago
Solved
Get ranking of a combination looking for speed.
I have the numbers pulled without replacement from the set [1 2 3 4 5 6 7 8 9 10 11 12 13]; They are then ordered from least to...
13 days ago
Solved
Usage of java.math : N Choose K with unlimited precision
Calculate the binomial coefficient nchoosek with full accuracy. This challenge may use the wonderful word of java.math that allo...
13 days ago
Solved
NCHOOSEK - Time Optimization
*Input* * *V* —— Set of all choices, a vector of N, 1 < N < 100 * *K* —— Number of selected choices, a scalar, 0 <= K <=...
14 days ago
Solved
Create Combination
Motivation: In many problems, we need to create combinations with the function nchoosek. In some cases, however, choices are lim...
14 days ago
Solved
Next lexicographic - permutation
Find next lexicographic - permutation (permutations as it would occur in a dictionary order). E.g: nextP('ABCD') = ABDC If you...
14 days ago
Solved
Square root
Given x (a matrix), give back another matrix, where all the elements are the square roots of x's elements.
14 days ago
Solved
Calculate the average value of the elements in the array
Calculate the average value of the elements in the array
14 days ago
Solved
the average value of the elements
Calculate the average value of the elements in the array
14 days ago
Solved
Rescale Scores
Each column (except last) of matrix |X| contains students' scores in a course assignment or a test. The last column has a weight...
14 days ago
Solved
Calculate Inner Product
Given two input matrices, |x| and |y|, check if their inner dimensions match. * If they match, create an output variable |z|...
14 days ago
Solved
Find the Best Hotels
Given three input variables: * |hotels| - a list of hotel names * |ratings| - their ratings in a city * |cutoff| - the rat...
14 days ago
Solved
Find MPG of Lightest Cars
The file |cars.mat| contains a table named |cars| with variables |Model|, |MPG|, |Horsepower|, |Weight|, and |Acceleration| for ...
14 days ago
Solved
Crop an Image
A grayscale image is represented as a matrix in MATLAB. Each matrix element represents a pixel in the image. An element value re...
19 days ago
Solved
Calculate BMI
Given a matrix |hw| (height and weight) with two columns, calculate BMI using these formulas: * 1 kilogram = 2.2 pounds * 1 ...
19 days ago
Solved
Plot Damped Sinusoid
Given two vectors |t| and |y|, make a plot containing a blue ( |b| ) dashed ( |--| ) line of |y| versus |t|. Mark the minimum...
20 days ago
Solved
Calculate a Damped Sinusoid
The equation of a damped sinusoid can be written as |y = A.ⅇ^(-λt)*cos(2πft)| where |A|, |λ|, and |f| ...
20 days ago
Solved
Solve a System of Linear Equations
*Example*: If a system of linear equations in _x₁_ and _x₂_ is: 2 _x₁_ + _x₂_ = 2 _x₁...
20 days ago
Solved
Verify Law of Large Numbers
If a large number of fair N-sided dice are rolled, the average of the simulated rolls is likely to be close to the mean of 1,2,....
20 days ago
Solved
Find the Oldest Person in a Room
Given two input vectors: * |name| - user last names * |age| - corresponding age of the person Return the name of the ol...
20 days ago
Solved
Convert from Fahrenheit to Celsius
Given an input vector |F| containing temperature values in Fahrenheit, return an output vector |C| that contains the values in C...
20 days ago
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