LIFESCIENC 30B

Homework 5 Solutions Next State Contribution from Cn Contribution from Sn Contribution from An Cn+1 0 (Since cubs only remain cubs for a year, none of the cubs from the current year will remain as cubs for the next year) 0 (Since no subadult from the current year will become cubs for the next year) 0.5 (Since on average, adults give birth to 0.5 female cubs each year) Sn+1 0.83 (Since cubs only remain cubs for a year, all of the cubs from the current year will become t...

Solutions to Homework 6 LS30B-2 Due February 27, 2017 6.2 FE 5 Carry out the following matrix multiplications. For each problem, say what the function represented by each matrix does to the standard basis vectors and what the product of the two matrices would do to these vectors. a. = b. = c. = Multiplying any matrix in 2-D by vector [1,0] gives the first column of the matrix and multiplying it by a vector [0,1] g

LS 30B: MATHEMATICS FOR LIFE SCIENTISTS WINTER 2018 - LECTURE 2 Jukka Keranen MIDTERM SOLUTIONS Your Name The Last Six Digits of Your Student ID number Your TA Section By signing below, you confirm that you did not cheat on this exam. No exam booklet without a signature will be graded. INSTRUCTIONS • Please do not open this booklet until you are told to do so. • Your cell phone must be turned off completely and stowed away where you cannot see it. • In addition to basic writing ...

Solutions: 5.1.2: Choose an initial value for X and use values of r that are less than, greater than, and equal to one to test the above statements by computing two values of X for each value of r. Solution: Choose X0 = 1, r = 1: X1 = 1 ∗ 1 = 1, X2 = 1 ∗ X1 = 1 ∗ 1 = 1. r = 2: X1 = 2 ∗ 1 = 2, X2 = 2 ∗ 2 = 4. r = 1/2: X1 = 1 2 ∗ 1 = 1 2 , X2 = 1 2 1 2 = 1 4 . 5.1.3: An inedible alga is growing on a pond in a city park. Only a small part of the pond is now cove...

Homework 2 Solutions Exercise 4.2.FE 1 Some people have difficulty maintaining a stable weight. Instead, they gain a lot of weight, go on a diet, lose the weight, but then gain it back. This pattern is sometimes referred to as yo-yo dieting. a) What kind of feedback loop is involved in this situation? b) Use your understanding of feedback loops and oscillations to suggest what might help such a person to stabilize their weight. Part a: Negative Feedback Loop (since a gain in weight will ...

Homework 2 Solutions Rubric 4 problems were graded in the following scale for a total of 10 points. 4.1.Exercise 7: (2 points) • 2 points: Have 3 graphs (Trajectory + Time Series for both V and X) AND a description of the trend of the graph as the value of a changes • 1 point: Either the description is missing or one of the graphs is missing • 0 point: Blank answer 4.1.Further Exercise 2: (2 points) • 2 points: Able to state that the trajectory will never reach the limit cycle...