Date: Mar 19, 2013 2:21 PM
Subject: Re: ploting in db
On 3/19/2013 12:05 PM, Steven_Lord wrote:
> "Yousef " <email@example.com> wrote in message
>> Hi Guys,
>> Can anybody help me to change my y-axis to (db) logarithmic scale..
>> part of my code looks like:
>> c=sqrt(abs(data(:,2)).^2 + abs(data(:,3)).^2);
Steven answered the axis question, I'll simply note that the above can
be written more succinctly as
The abs() in your expression are purely superfluous since squaring a
value makes it positive.