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Chapter 1: Problem 2

Get help on the MATLAB function exp using: (a) The "help exp" command typed in the Command Window, and \((b)\) the Help Browser.

Short Answer

Expert verified
To get help on the MATLAB function exp, you can use two methods: (a) Type "help exp" in the Command Window and press Enter. This will display detailed information about the exp function, including its description, syntax, and examples. (b) Use the Help Browser by clicking the "Help" tab on the MATLAB main window's toolbar. In the search bar, type "exp" and press Enter or click the search button. Open the exp function's documentation from the search results, which provides a comprehensive guide including its functionalities, syntax, input/output arguments, and examples. Both methods can be used to learn about other functions in MATLAB as well.

Step by step solution

01

Open MATLAB

To begin, open the MATLAB software. This should bring you to the main window with a toolbar at the top, the Command Window in the center, and some other windows surrounding it.
02

Use the Help command in the Command Window

In the Command Window, type "help exp" (without quotes) and press Enter. This will give you detailed information about the exp function, including a brief description, syntax, and some examples.
03

Access Help Browser

To use the Help Browser, navigate to the top of the main MATLAB window where the toolbar is located. Click on the "Help" tab (or button) to open the Help Browser. Alternatively, you can type "doc" (without quotes) in the Command Window and press Enter.
04

Search for exp function in Help Browser

Once the Help Browser is open, use the search bar to find information about the exp function. Type "exp" (without quotes) in the search bar, and press Enter or click the search button. A list of results should appear, with the exp function usually being the first one in the list.
05

Open the exp function documentation in Help Browser

Click on the exp function result, which should lead you to its documentation page. The documentation page provides a comprehensive guide on the function, including how it works, its syntax, input and output arguments, examples, and other relevant information. This is a more visually-organized approach compared to the "help exp" command in Step 2. Now you know how to get help on the exp function in MATLAB using the Command Window and the Help Browser. These methods can be used to learn about other functions in MATLAB as well.

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Most popular questions from this chapter

Suppose that \(u=1\) and \(v=3\). Evaluate the following expressions asing MATLAB. a. \(\frac{4 u}{3 v}\) b. \(\frac{2 v^{-2}}{(u+v)^{2}}\) c. \(\frac{v^{3}}{v^{3}-u^{3}}\) d. \(\frac{4}{3} \pi v^{2}\)

Assume that array array 1 is defined as shown, and determine the contents of the following sub-arrays. $$ \operatorname{array} 1=\left[\begin{array}{rrrrr} 1.1 & 0.0 & 2.1 & -3.5 & 6.0 \\ 0.0 & 1.1 & -6.6 & 2.8 & 3.4 \\ 2.1 & 0.1 & 0.3 & -0.4 & 1.3 \\ -1.4 & 5.1 & 0.0 & 1.1 & 0.0 \end{array}\right] $$ a. array \(1(3,4)\) b. array \(1(:, 3)\) c. arxay \(1\left(1: 2: 3,\left[\begin{array}{lll}3 & 3 & 4\end{array}\right]\right)\) d. array \(1(\\{1 \quad 1], 4)\)

Close the Figure Window, and change back to the original directory that MATLAB started in. Next type "test2" in the Command Window. What happens, and why?

Change the current directory to mynewdir. Then open an Edit Window and add the following lines: 8\. Create an input array from \(-2\) *pi to 2 *pi \(t=-2 * \mathrm{pi}: \mathrm{p} i / 10: 2^{\circ} \mathrm{pi}\); of Calculate |sin(t)| \(x=a b s(\sin (t))\); \- Plot result plot \((t, x)=\) Save the file with the name test2. \(m\), and execute it by typing test 2 in the Command Window. What happens?

The following MATLAB statements plot the function \(y(x)=2 e^{-02 x}\) for the range \(0 \leq x \leq 10\). \(x=0: 0.1: 10 ;\) \(y=2 * \exp (-0.2 \cdot x) ;\) \(p 10 t(x, y):\) Use the MATLAB Edit Window to create a new empty M-file, type these statements into the file, and save the file with the name teat. 1 .m. Then, execute the program by typing the name test 1 in the Command Window. What result do you get?
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