Binbin Qi
China University of Petroleum
Professional Interests: Machine Learning/ Math/ Geophysics
Statistics
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REPUTATION
28
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2 Questions
14 Answers
ANSWER ACCEPTANCE
50.0%
VOTES RECEIVED
4
RANK
4 176 of 17 360
REPUTATION
303
AVERAGE RATING
3.70
CONTRIBUTIONS
7 Files
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2934
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Completed both Cody 5th anniversary groups
Awarded to Binbin Qi on 23 Dec 2017
15-year anniversary Triathlon participant badge
Awarded to Binbin Qi on 09 Nov 2016
3 of your answers have been accepted
Awarded to Binbin Qi on 20 Aug 2020
Accept 1 answer given by other contributors
Awarded to Binbin Qi on 20 Jul 2017
Solve all the problems in Divisible by x
Awarded to Binbin Qi on 01 Nov 2021
Solve all the problems in Logic problem group
Awarded to Binbin Qi on 13 Apr 2020
Your submissions were downloaded 10 or more times in a month
Awarded to Binbin Qi on 01 Nov 2019
Publish your first review
Awarded to Binbin Qi on 09 Oct 2019
Solve all the problems in Computation Geometry I
Awarded to Binbin Qi on 29 Mar 2020
Solve all the problems in Matrix Patterns II
Awarded to Binbin Qi on 14 Dec 2019
Solve all the problems in Introduction to MATLAB problem group
Awarded to Binbin Qi on 14 Dec 2019
Receive 25 likes on a problem you have created
Awarded to Binbin Qi on 17 Oct 2019
Content Feed
Solved
make histogram
You probably know the function hist(x,n) to get the histogram. Now try to write the function yourself! For the cheaters wanting...
ungefär 4 timmar ago
Solved
A little bit of luck needed
This one may require a little bit of guess work, but it is possible. Hints: - The same solution might fail the tests once and ...
ungefär 4 timmar ago
Solved
ICFP2021 Hole-In-Wall: Calculate Score
The ICFP held its annual 3-day contest in July 2021 with Hole-In-Wall. Contest Specification. The contest folds the figure in R...
ungefär 6 timmar ago
Solved
Which Prime
Given two prime numbers, specify the relation between them i.e. - 'Twin Prime', 'Cousin Prime', 'Sexy Prime' or 'None'
ungefär 7 timmar ago
Solved
Create array of all Distances between two Sets of Points
This Challenge is a subsection of Martian Pranks based on Tim's efficient Distance calculation between sets of points. Given Po...
en dag ago
Solved
Sum the rows
Sum the rows of the given matrix. Example x = [ 1 2 3 4 ] y = [ 3 7 ]
20 dagar ago
Solved
Plotting Practice
Plot cos(x) vs x as shown in the figure below. Include the appropriate title, x-label, and y-label. Note, it is case sensitive. ...
ungefär 2 månader ago
Equivalent of c++'s NULL or python' s None in MATLAB
I think you can use class.empty for null in matlab classdef A < handle properties empty = A.empty; end end...
ungefär 2 månader ago | 0
Solved
Divisible by n, prime divisors (including powers)
For this problem, you will be provided an array of numbers (not necessarily in order). Return the array of numbers with only pri...
3 månader ago
Solved
Functionality 1
It's all about functionality. *Cheating is allowed but not required*
3 månader ago
Solved
Generate a matrix as follows
write a Function that gives like the following for a random n: n=2 ans= [ 0 1 1 0] n=6 ans= [ 0 ...
3 månader ago
Solved
Sort Except Zeros
Sort the numbers in a vector. But the position of zeros should not be changed. Example: sort_except_zeros( [5 3 0 0 2 4] ) == [...
5 månader ago
Solved
UICBioE240 problem 1.11
Store a series of numbers into a 4 by 4 matrix, starting with the first few positions going right and down, and leaving the rest...
6 månader ago
Solved
MATLAB Basics: Complex Conjugates
For a given complex number, x, return the complex conjugate, y.
7 månader ago
Solved
MATLAB Basics: Complex Argument
For a given complex number, x, return the argument, y, in degrees.
7 månader ago
Solved
MATLAB Basics: Complex Numbers
For a given complex number, x, return the real and imaginary parts as a vector, y = [Real Imaginary].
7 månader ago
Solved
Matrix convolution
A certain convolution step involves an elementwise multipication between two 3x3 matrices and taking the resulting sum of the el...
7 månader ago
Solved
Matrix Indexing
Given a matrix A and scalars r,c,i, find the product of two elements, with the first element located at row r and column c (doub...
7 månader ago
Solved
Stacking vectors into a matrix
Given a 4x1 vector a, and a 2x2 matrix b, create a matrix M in which the first 2 rows are each identical to a and the last two r...
7 månader ago
Solved
Vector creation using colon operator
Create a vector y containing n uniformly spaced values between a and b, with a < b. Use the colon (:) operator.
7 månader ago
Solved
Vector creation using linspace
Create a vector y containing n uniformly spaced values between a and b, with a < b. Use linspace.
7 månader ago
Solved
Logarithmically spaced vector creation using logspace
Create a vector y containing n logarithmically spaced values between a and b, with a < b. Use the logspace operator.
7 månader ago
Solved
Logarithmically spaced vector creation using linspace
Create a vector y containing n logarithmically spaced values between a and b, with a < b. Avoid using logspace and use the linsp...
7 månader ago
