gibson:teaching:fall-2012:math445:lab2
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gibson:teaching:fall-2012:math445:lab2 [2012/09/03 19:17] gibson |
gibson:teaching:fall-2012:math445:lab2 [2012/09/04 06:58] (current) gibson |
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| Attaway 37: Create a 3 x 5 matrix of random real numbers, and then delete the third row. | Attaway 37: Create a 3 x 5 matrix of random real numbers, and then delete the third row. | ||
| - | **Problem 2:** Use Matlab to solve the problem. Nilanjana has 51 coins worth $9.25. They're all quarters and nickels. How many nickels and how many quarters does she have? | + | **Problem 2:** Use Matlab to solve the problem. Nilanjana has 50 coins worth $9.10. They're all quarters and nickels. How many nickels and how many quarters does she have? |
| **Problem 3:** Use Matlab to solve the problem. Flying against the wind, a plane travels 2880 miles in 4.5 hours. Flying with the wind, it travels the same distance in 4 hours. How fast is the wind? How fast is the plane on a windless day? | **Problem 3:** Use Matlab to solve the problem. Flying against the wind, a plane travels 2880 miles in 4.5 hours. Flying with the wind, it travels the same distance in 4 hours. How fast is the wind? How fast is the plane on a windless day? | ||
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| **Problem 4:** (bonus) Use Matlab to solve the problem. A man is three times as old as his son was at the time when the father was twice as old as his son will be two years from now. Find the present age of each if their ages now sum to 55. | **Problem 4:** (bonus) Use Matlab to solve the problem. A man is three times as old as his son was at the time when the father was twice as old as his son will be two years from now. Find the present age of each if their ages now sum to 55. | ||
| + | **Problem 5:** From //Numerical Computing with Matlab// by Clive Moler. | ||
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| + | {{:gibson:teaching:fall-2012:math445:truss3.png?direct&600}} | ||
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| + | {{:gibson:teaching:fall-2012:math445:truss4.png?direct&600}} | ||
gibson/teaching/fall-2012/math445/lab2.1346725050.txt.gz ยท Last modified: 2012/09/03 19:17 by gibson
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