Select the appropriate link:

Download for use with Matlab version 7 (Also see "New easy way" below)

Download for use with Matlab (older versions). Please read the file readme.txt for installation instructions.

Download zip archive for Octave. Please read the Octave installation instructions.

Newer versions of MATLAB can unzip files (with the unzip command). You should use Matlab's unzip command to decompress the packages.. If you have difficulties decompressing these files on older versions of MATLAB, I recommend using StuffIt Expander for Mac or PC. They are free. An occurrence that can happen on the PC using other utilities is that the decompression software will fail to recognize the ASCII (text) files in the archive. The resulting files will lack the carriage returns necessary on a PC to recognize the end of a line. StuffIt Expander accounts for this and includes them on the PC. StuffIt Expander for the Mac performs similarly. A version is also available for Linux. It may be necessary to set a preference to do this correctly... something like "Automatically convert end of line characters".

Setting Up The Toolbox:

New easy way:

Download the vtbud script by right-clicking (Mac-users: Control-click) and saving to your hard drive. Do NOT change the extension. The extension must be '.m'.

Alternatively copy and paste this into your MATLAB command console:
urlwrite('http://www.cs.wright.edu/people/faculty/jslater/vtoolbox/vtbud.m','vtbud.m');
and press RETURN
Run this (by typing vtbud in the MATLAB command window) while connected to the internet to automatically download and install the newest version. You will get an error if vtbud is not in your path. If that happens, open the file 'vtbud.m' in the MATLAB editor and press the F5 key. This will download vtoolbox.zip, expand it in the desired location, and add the path to it in your default MATLAB path.
Alternatively, you can use vtbud to install/update from a copy of vtoolbox.zip on your hard drive.

Less easy way:

Only if the easy way fails for some reason (Please report to me which versions of MATLAB fail to run vtbud successfully):

1. Download the toolbox in zip compressed format.
2. Put vtoolbox.zip in the directory where you want the Engineering Vibration Toolbox to be installed. It should be in your personal document space so that when MATLAB gets updated in the future it doesn't delete the toolbox.
3. Later versions of MATLAB have the unzip command for expanding zip files. Also, free utilities exist on UNIX, Windows, and MAC for uncompressing zip files. Some of these have been posted to the web site. The documentation for the software you use will explain how to uncompress the files. Please talk to your computer support people if you have difficulty decompressing the files.
4. The toolbox can go in any directory as long as the MATLAB path to it is set properly.
5. Open the file 'vtbsetup.m' in the MATLAB editor and press the F5 key.
   
6. Please report any installation problems.

A list of updates since 1/1/98 can be obtained for your current version by typing "help vtbud" in MATLAB. That can be compared to the most up-to-date release.

Notes:

They will load/run on all platforms supported by MATLAB. The binary files are all .mat files, and the different extensions represent different parts of a project group. To load them type:

» load filename -mat

(» is the MATLAB prompt, the filename must include the extension unless it is .mat)

If you can't execute any of the .m files (try for example typing "vtbud" from the MATLAB prompt), they are either not in the MATLAB path, or did not get transferred in the correct format. Use the "cd" command (like DOS) from within MATLAB to move to the vtoolbox directory. If you can see the files using "dir", and still cannot execute them, then try transferring the text files again, being sure that they are transferred in ASCII (text) format.

Removing the Engineering Vibration Toolbox:

Type vtbud.m from the MATLAB prompt.

For MATLAB 3.5 and other older versions:

The old version of the Engineering Vibration Toolbox can be obtained here: vtoolbox 3.5. Please read the readme.txt file.

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Please send questions or comments about this page to Joseph C. Slater .