Out: 03/04 19:00
Due: 03/18 19:00

Instructions

Collaboration:

Collaboration on solving the assignment is allowed, after you have thought about the problem sets on your own. It is also OK to get clarification (but not solutions) from online resources, again after you have thought about the problem sets on your own. There are two requirements:

  • Cite your collaborators fully and completely (e.g., “XXX explained to me what is asked in problem set 3”). Or cite online resources (e.g., “I got inspired by reading XXX”) that helped you.

  • Write your scripts and report independently - the scripts and report must come from you only.

Submitting your assignment:

Submit your R scripts and report to TA ()

Late Submission:

Late submissions will not receive any credit.

1. Solving problems

1.1 [10 points] [RS], p23, Exercise #8.

1.2 [10 points] [RS], p24, Exercise #17.

1.3 [10 points] [RS], p24, Exercise #18.

2. Flowchart

[10 points] Write a function Print_values with arguments a, b, and c to reflect the following flowchart. Here the purple parallelogram operator is to print values in the given order.

Report your output with some random a, b, and c values.

drawing

3. Matrix multiplication

3.1 [5 points] Generate two matrices M1 (5 rows and 10 columns ) and M2 (10 rows and 5 columns ); both are filled with random integers from 0 and 50.

[Hint: use the sample function to draw random integers]

3.2 [10 points] Write a function Matrix_multip to do matrix multiplication. Here you are only allowed to use for loop, * operator, and + operator.