Online TA Profiles
Yupei Xiong, PhD
OTA ID#: 101298
| Education Experience: |
BSc, Mathematics, Peking University, 1996 MA, Mathematics, Peking University, 1999 PhD, Mathematics, University of Maryland - College Park Campus, 2004 |
|---|---|
| Focus of Study: | Applied Mathematics and Computer Science | Outside Interests: | Software |
| Postings Answered: | 4074 |
| Cumulative OTA Rating: | 4.8/5 What is OTA Rating? |
- Write a Java Program that implements the Mortgage Calculator Change - Write the program in Java (with a graphical user interface) and have it calculate and display the mortgage payment amount from user input of the amount of the mortgage, the term of the mortgage, and t ...
- Relations vs Functions and Celsius-Fahrenheit Temperature Conversion - In the real world, what might be a situation where it is preferable for the data to form a relation but not a function? There is a formula that converts temperature in degrees Celsius to temperatu ...
- Business Math : Price Index, Dara Analysis, Return on Investment (ROI), Inventory and Expenses - 12. Key Question The following table shows nominal GDP and an appropriate price index for a group of selected years. Compute real GDP. Indicate in each calculation whether you are inflating or deflati ...
- A certain airplane has two independent alternators to provide electrical power. - A certain airplane has two independent alternators to provide electrical power. The probability that a given alternator will fail on a 1-hour flight is .02. What is the probability that (a) both wil ...
- Object-Oriented Data and Processes - Identify a task you perform regularly, such as cooking, mowing the lawn, or driving a car. • Write a short, structured design (pseudocode only) that accomplishes this task. • Think about this task i ...
- Number Game - Take any number (except for 1). Square that number and then subtract one. Divide by one less than your original number. Now subtract your original number. You reached 1 for an answer, didn't you? How ...
- Java: How to Program - Modify the Inventory Program by creating a subclass of the product class that uses one additional unique feature of the product you chose (for the DVDs subclass, you could use movie title, for example ...
- Java: How to Program - Choose a product that lends itself to an inventory (for example, products at your workplace, office supplies, music CDs, DVD movies, or software). Create a product class that holds the item number, ...
- Djkstra's shortest path algorithm - Consider the following network. a) With the indicated link costs, use Djkstra's shortest path algorithm to compute the shortest path from E to all network nodes. Show how the algorithm works by co ...
- practice problem help - (See attached file for full problem description with equations and diagram) --- show all calculations and graphical representations used. 1. Find the length L from point A to the top of the pole. ...
- Inventory - Java - Modify the Inventory Program by adding a button to the GUI that allows the user to move to the first item, the previous item, the next item, and the last item in the inventory. If the first item is di ...
- Inventory - GUI - I need help getting this program I have now to use a GUI. Modify the Inventory Program to use a GUI. The GUI should display the information one product at a time, including the item number, the na ...
- Decryption algorithm - Using RSA, choose p = 5 and q = 7, encode the phrase "hello". Apply the decryption algorithm to the encrypted version to recover the original plain text message.
- GUI Components - Java - Guess the Number - Write an application that plays "guess the number" as follows: Your application chooses the number to be guessed by selecting an integer at random in the range 1-1000. The application then displays th ...
- Write a program that reads a 5 x 5 two-dimensional array of integers and then prints the row sums and the column sums - Write a program that reads a 5 x 5 two-dimensional array of integers and then prints the row sums and the column sums: Enter row 1: 8 3 9 0 10 Enter row 2: 3 5 17 1 1 Enter row 3: 2 8 6 23 1 ...
- In the Diffie-Helman protocol, g=7, p=23, x=3, and y=5. What is the value of the symmetric key? - (HW1) List some of the attacks on the Diffie-Hellman key exchange protocol we discussed in the lecture. Present your solution for avoiding such attacks. (HW2a) In the Diffie-Helman protocol, ...
- How to you determine if a polynomial is the difference of two squares? - How to you determine if a polynomial is the difference of two squares? (50 word response)
- Applications of Trigonometry Word Problems - 1. Find the length L from point A to the top of the pole. 2. Lookout station A is 15 km west of station B. The bearing from A to a fire directly south of B is S 37°50' E. How far is the fire from ...
- Java Applet - Your team has been hired as a Java programmer by Real Estates Solutions Inc. Your task is to write a Java applet for their web site that would enable customers to figure out their monthly mortgage pay ...
- Assume that Alice shares a secret s with her company's server computer. - Assume that Alice shares a secret s with her company's server computer. When Alice is on a trip, she tries to store an important message in the CEO's account directory. This message needn't be encrypt ...
