Community Profile

photo

Binbin Qi


China University of Petroleum

Last seen: Today Active since 2009

Professional Interests: Machine Learning/ Math/ Geophysics

Statistics

All
  • Cody 5th Anniversary Finisher
  • Triathlon Participant
  • Knowledgeable Level 2
  • Thankful Level 1
  • Divisible by x Master
  • Logic
  • Personal Best Downloads Level 1
  • First Review
  • Computational Geometry I Master
  • Matrix Patterns II Master
  • Introduction to MATLAB Master
  • Famous

View badges

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


Find the maxmum value of N*N Matrix
Input x=[1 2 3; 4 5 6; 7 8 9] output: y=9

2 dagar 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

Solved


arrayfun bomb

ungefär 2 månader ago

Answered
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


What? Paradox?
What's going on here?

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

Load more