# Binbin Qi

### China University of Petroleum

Professional Interests: Machine Learning/ Math/ Geophysics

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**Content Feed**

Submitted

CVRP Problem

Solve CVRP Problem both Integer program and huristic methods

2 dagen ago | 2 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 ...

17 dagen 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

17 dagen ago

Solved

Remove Duplicates

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

17 dagen 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:...

19 dagen 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...

20 dagen 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...

20 dagen 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...

20 dagen 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...

20 dagen 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....

20 dagen 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...

21 dagen 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...

21 dagen ago

Solved

Determine if vector has any zeroes

Return 1 if vector has atleast 1 zero, else return 0

21 dagen 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...

21 dagen 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...

21 dagen 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...

22 dagen 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...

22 dagen 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 ...

22 dagen 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...

22 dagen 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...

23 dagen 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 ...

23 dagen 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...

23 dagen 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 ...

23 dagen 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...

23 dagen 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...

24 dagen 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...

24 dagen 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.

24 dagen 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...

24 dagen 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 ...

24 dagen ago