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: | 3178 |
| Cumulative OTA Rating: | 4.8/5 What is OTA Rating? |
- In the real world, what might be a situation where it is preferable for the data to form a relation but not a function? - 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 ...
- 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. ...
- 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 ...
- 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, ...
- 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 ...
- Java Programming/Mortgage Calculator - Please help me create a mortgage 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 and the u ...
- Problem Set - 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 fro ...
- 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 ...
- Graphing - (See attached file for full problem description with diagrams) --- • For non-integer answers, use a fraction rather than a decimal. • Include o the formula with substituted values. o the final ...
- 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 ...
- Pipe Diameter Questions - 6. A V-gauge is used to find the diameters of pipes. In the figure on p. 373 in the text, the measure of angle AVB is 54°. A pipe is placed in the V-shaped slot and the distance VP is used to predict ...
- 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 ...
- 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 ...
- Logarithmic scale and sound - The loudness of sound is based on intensity level measured in decibels using a logarithmic scale and is relative to ( a ratio of) the weakest sound the ear can hear. A. The formula for measuring s ...
- 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.
- Number Game - Take any number (except for 1). - 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 ...
- Using the index of a series as the domain and the value of the series as the range, is a series a function? - Using the index of a series as the domain and the value of the series as the range, is a series a function? Include the following in your answer: Which one of the basic functions (linear, quad ...
- Probability - National Park Service - A study by the National Park Service revealed that 50% of vacationers going to the Rocky Mountain region visit Yellowstone Park, 40% visit the Tetons, and 35% visit both. A. What is the probability ...
- The mean starting salary for college graduates in the spring of 2004 was $36,280... - The mean starting salary for college graduates in the spring of 2004 was $36,280. Assume that the distribution of starting salaries follows the normal distribution with a standard deviation of $3,300. ...
- Sampling methods and central limit theorem - The mean score of a college entrance test is 500, the standard deviation is 75 and the scores are normally distributed. (a) What percent of the students scored below 320? (b) What percent of ...