gibson:teaching:fall-2013:math445:hw4
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gibson:teaching:fall-2013:math445:hw4 [2013/11/06 14:18] gibson created |
gibson:teaching:fall-2013:math445:hw4 [2013/11/14 09:43] (current) gibson |
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| * **plotting:** ''plot, semilogy, semilogx, loglog, contour, mesh'' | * **plotting:** ''plot, semilogy, semilogx, loglog, contour, mesh'' | ||
| * **loops:** ''for'' and ''while'' | * **loops:** ''for'' and ''while'' | ||
| - | * **anonynmous functions:** defining and using | + | * **anonymous functions:** defining and using |
| * **solving equations:** with ''fzero'' or ''newtonsearch'' | * **solving equations:** with ''fzero'' or ''newtonsearch'' | ||
| + | \\ | ||
| **Problem 1:** Write a Matlab function named ''farenheit2celsius'' that converts | **Problem 1:** Write a Matlab function named ''farenheit2celsius'' that converts | ||
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| Write the function in a file ''farenheit2celsius.m''. | Write the function in a file ''farenheit2celsius.m''. | ||
| + | \\ | ||
| **Problem 2:** Write a for-loop that prints a Farenheit to Celsius conversion table | **Problem 2:** Write a for-loop that prints a Farenheit to Celsius conversion table | ||
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| six spaces for the floating-point //C// numbers, with 1 digit after the decimal point. | six spaces for the floating-point //C// numbers, with 1 digit after the decimal point. | ||
| - | **Problem 3:** Make a plot of C versus F over the range -50 <= F <= 212. Put symbols | + | \\ |
| + | |||
| + | **Problem 3:** Make a plot of C versus F over the range %%-50 <= F <= 212%%. Put symbols | ||
| on the line where water freezes and boils: a circle for freezing and a square for | on the line where water freezes and boils: a circle for freezing and a square for | ||
| boiling. Label the axes and give the graph an appropriate title. | boiling. Label the axes and give the graph an appropriate title. | ||
| + | \\ | ||
| - | **Problem 4:** Use Matlab's **anonymous function** facility to define a | + | **Problem 4:** Use Matlab's anonymous function facility to define a |
| - | ''farenheit2celsius'' at the Matlab prompt, instead of writing it in a file | + | ''farenheit2celsius'' function at the Matlab prompt, instead of writing it in a file |
| as in problem 1. | as in problem 1. | ||
| + | |||
| + | \\ | ||
| **Problem 5:** Use matlab's ''fsolve'' function or your ''newtonsearch'' function | **Problem 5:** Use matlab's ''fsolve'' function or your ''newtonsearch'' function | ||
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| the equation with algebra. | the equation with algebra. | ||
| - | **Problem 6: Verify your answer from problem 5 by evaluating your ''farenheit2celsius'' | + | \\ |
| + | |||
| + | **Problem 6:** Verify your answer from problem 5 by evaluating your ''farenheit2celsius'' | ||
| function at the value found as an answer to problem 5. | function at the value found as an answer to problem 5. | ||
| + | \\ | ||
| **Problem 7:** Write a script that produces a multiplication table like this | **Problem 7:** Write a script that produces a multiplication table like this | ||
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| ''fprintf'' function with a formatting code like in problem 2 to get uniform spacing. | ''fprintf'' function with a formatting code like in problem 2 to get uniform spacing. | ||
| + | \\ | ||
| **Problem 8:** Find a solution to the system of equations | **Problem 8:** Find a solution to the system of equations | ||
| Line 73: | Line 84: | ||
| using Matlab's ''fsolve'' function or your ''newtonsearch''. | using Matlab's ''fsolve'' function or your ''newtonsearch''. | ||
| + | \\ | ||
| **Problem 9:** Deduce the functional relationship ''y(x)'' for the data in this plot. | **Problem 9:** Deduce the functional relationship ''y(x)'' for the data in this plot. | ||
| + | {{:gibson:teaching:fall-2013:math445:prob9.png?nolink&300|}} | ||
| + | |||
| + | \\ | ||
| **Problem 10:** Assume you have a file ''data.asc'' containing the data for the above graph, | **Problem 10:** Assume you have a file ''data.asc'' containing the data for the above graph, | ||
gibson/teaching/fall-2013/math445/hw4.1383776313.txt.gz · Last modified: 2013/11/06 14:18 by gibson
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