gibson:teaching:fall-2013:math445:lab1
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gibson:teaching:fall-2013:math445:lab1 [2013/08/26 18:37] gibson |
gibson:teaching:fall-2013:math445:lab1 [2013/08/28 18:33] (current) gibson |
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| ====== Math 445 Lab #1 ====== | ====== Math 445 Lab #1 ====== | ||
| - | These problems are taken from Attaway chapter 1, both 2nd and 3rd editions. | + | These problems are taken from Attaway chapter 1, both 2nd and 3rd editions. Remember, Matlab's //help// function is your friend. |
| **Problem 1:** Evaluate these expressions in your head and write down the answer. Then evaluate them with Matlab. If you made a mistake, figure out what it was. | **Problem 1:** Evaluate these expressions in your head and write down the answer. Then evaluate them with Matlab. If you made a mistake, figure out what it was. | ||
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| - | **Problem 2:** What is the type of the answers in problem 5? | + | **Problem 2:** What is the type of the answers in problem 1? |
| - | **Problem 3:** Use //intmin// and //intmax// to determine the range of values that can be stored in the types //uint32// and //unint64//? Express the answer both as an integer and in scientific notation. | + | **Problem 3:** Use //intmin// and //intmax// to determine the range of values that can be stored in the types //uint32// and //unint64//. Express the answers as integers and in scientific notation. |
| **Problem 4:** Wind chill factor: The WCF conveys how cold it feels with a given air | **Problem 4:** Wind chill factor: The WCF conveys how cold it feels with a given air | ||
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| is fix(-3.2) == floor(-3.2)? | is fix(-3.2) == floor(-3.2)? | ||
| - | is fix(-3.2) === ceil(-3.2)? | + | is fix(-3.2) == ceil(-3.2)? |
| - | What is the type of //fix(-3.2) === ceil(-3.2)//? | + | What is the type of //fix(-3.2) == ceil(-3.2)//? |
| **Problem 6:** Find Matlab expressions for | **Problem 6:** Find Matlab expressions for | ||
| Line 56: | Line 56: | ||
| tangent of pi | tangent of pi | ||
| - | Evaluate the expressions. Do you notice anything unexpected? | + | Evaluate the expressions. Do you notice anything unexpected? Can you explain it? |
| **Problem 7:** Generate random numbers | **Problem 7:** Generate random numbers | ||
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| xor(5 < 6, 8 > 4) | xor(5 < 6, 8 > 4) | ||
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| + | What is the type of each of the answers? | ||
| + | |||
| **Problem 10:** The geometric mean g of n numbers $x_1, x_2, \ldots, x_n$ is given by | **Problem 10:** The geometric mean g of n numbers $x_1, x_2, \ldots, x_n$ is given by | ||
| <latex> | <latex> | ||
| - | g = sqrt[n]{x_1 x_2 \ldots x_n} | + | g = \sqrt[n]{x_1 x_2 \ldots x_n} |
| </latex> | </latex> | ||
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| <latex> | <latex> | ||
| - | sqrt[3]{1.15 \cdot 1.05 \cdot 1.10} | + | \sqrt[3]{1.15 \cdot 1.05 \cdot 1.10} |
| </latex> | </latex> | ||
gibson/teaching/fall-2013/math445/lab1.1377567434.txt.gz · Last modified: 2013/08/26 18:37 by gibson
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