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Topic: query about function output
Replies: 4   Last Post: Dec 26, 2013 7:45 AM

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Nasser Abbasi

Posts: 5,686
Registered: 2/7/05
Re: query about function output
Posted: Dec 26, 2013 7:45 AM
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On 12/26/2013 6:22 AM, Loren Shure wrote:

> As stated earlier and with this code, it looks like dB must be a function.
> In MATLAB, try
>
> which dB
>
> to see if there's such a file on your matlabpath. Then you can either get
> help for it or edit it to see what it does.
>
> --Loren
>
> http://blogs.mathworks.com/loren
>


dB is a matlab function. In signal processing toolbox

EDU>> help db
db Convert to decibels.
db(X) converts the elements of X to decibel units
across a 1 Ohm load. The elements of X are assumed
to represent voltage measurements.

EDU>> which db
C:\Program Files (x86)\MATLAB\R2013a Student\toolbox\signal\signal\db.m

http://www.mathworks.com/help/signal/ref/db.html
"Convert energy or power measurements to decibels"






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