Binbin Qi

China University of Petroleum

Last seen: 16 dagen ago | Active since 2009

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Professional Interests: Machine Learning/ Math/ Geophysics

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CVRP Problem
Solve CVRP Problem both Integer program and huristic methods

2 maanden ago | 6 downloads |

Solved

Compute the drag on a moving vehicle
We assume no rolling resistance, and the simple rule for Drag : , where is the density of the fluid (assumed at 1.2 ), is the ...

3 maanden ago

Solved

Check if a year is a leap year or not
Return 1 if a given year is a leap year or 0 if it is not

3 maanden ago

Solved

Remove Duplicates
Remove duplicates from the vector of integers and display in sorted order

3 maanden ago

Solved

Cricket - Report the Result (Part II: Test Matches)
Given two scalar strings representing the scores for a test match, return a string reporting the result in the appropriate form:...

3 maanden ago

Solved

Cricket - You Miss, I Hit (Rank Bowlers by Proportion of Bowled and LBW Wickets)
Which bowlers threaten your stumps the most? Given a table of all wickets taken during some particular set of matches and two th...

3 maanden ago

Solved

Cricket - Most Frequent Bowler-Batter Wicket Combinations
Given a table representing all wickets taken in a particular set of matches, return a table of the bowler-batter pairs that occu...

3 maanden ago

Solved

Cricket - Report the Result (Part I: Limited Overs)
Given two scalar strings representing the scores for a limited-overs match, return a string reporting the result in the form "Te...

3 maanden ago

Solved

Cricket - Peak Batting Average
Given a vector s of strings representing a batter's individual innings scores (in chronological order), return the highest batti...

3 maanden ago

Solved

Cricket - Represent Average in "Dulkars" and "Ses"
Sachin Tendulkar's Test average was 53.78. So if Tendulkar = 53.78, one dulkar = 5.378. Similarly, Roger Twose's average was 25....

3 maanden ago

Solved

Cricket - Career Bowling Statistics
Given a vector s of strings representing a bowler's individual innings records, return their career statistics as a 3-element (n...

3 maanden ago

Solved

Create the Ulam spiral
Have you ever seen this wonderful spiral ? The Ulam Spiral is arranging prime numbers in a clockwise spiral starting in 0. Give...

3 maanden ago

Solved

Determine if vector has any zeroes
Return 1 if vector has atleast 1 zero, else return 0

3 maanden ago

Solved

Cricket - Career Batting Statistics
Given a vector s of strings representing a batter's individual innings scores, return their career statistics as a 4-element (nu...

3 maanden ago

Solved

Cricket - How Much More to Beat Bradman?
Sir Don Bradman famously needed only 4 runs in his final innings to retire with an average of 100. Out for a duck, he ended inst...

3 maanden ago

Solved

Cricket - Average Partnership Contribution
The (infamous) Duckworth-Lewis method uses statistical models of how much each wicket partnership is worth to an innings (on ave...

3 maanden ago

Solved

Cricket - Sort Batters by Distance Run
Given a string vector of batters' names, a vector of the total number of runs they scored, a vector of the number of 4s they sco...

3 maanden ago

Solved

Multiply each matrix element by its row index and add its column index.
Return a matrix the same size as the input, multiply each element by its row index and add its column index. Example: x = [ 1 ...

3 maanden ago

Solved

Pick the die most likely to win
After discussing Rock, Paper, Scissors, Lizard, Spock in The Simpsons and their Mathematical Secrets, Simon Singh writes that in...

3 maanden ago

Solved

Convert Hexadecimal Number to Decimal Number

3 maanden ago

Solved

Text processing - Help Johnny write a letter home from camp
Johnny overuses the word 'great'. Write a script that will help him with this and future letters. If a sentence contains more th...

3 maanden ago

Solved

Roman numbers: how old is that building?
The front of old buildings sometimes show the year when they were built in roman numbers. These number are rather confusing and ...

3 maanden ago

Solved

Power Outages Histogram
Create a function that takes power outage data as an input and creates a histogram of the number of outages as a function of Reg...

3 maanden ago

Solved

3D Plots and Colorbars
Use the matrices X, Y, and Z provided in the function template to create a surface plot. Add a colorbar to the surface plot and ...

3 maanden ago

Solved

Reproduce this plot!
Write a function that will take a dataset (x,y), a best fit model (model), and the upper and lower prediction bounds (lb,ub) for...

3 maanden ago

Solved

Adding Inset Plots
You can use the axes function to define the position of an empty x/y axis. The position is measured relative the the bottom left...

3 maanden ago

Solved

Jack O'Lantern
If visualized correctly, the data contained in the matrix A will look like a jack-o'-lantern. Create a function that will visu...

3 maanden ago

Solved

Sum of two number using (regexp, varargin) comand?
Sum two number a &b and get there result in c using the rexp and varargin comand.

3 maanden ago

Solved

Area under the curve
Compute area under the curve specified by points stored in y, where y is in range (0,inf) and x time step is 1. note: please r...

3 maanden ago

Solved

List numbers that are not squares
The numbers 2, 3, 5, 6, 7, 8, 10, 11, 12, 13, 14, 15, 17, etc. are not perfect squares. Write a function to list the th term in ...

3 maanden ago

Binbin Qi

China University of Petroleum

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