Date: Mar 19, 2013 6:49 PM
Subject: Re: ploting in db
On 3/19/2013 4:25 PM, Steven_Lord wrote:
> "dpb" <email@example.com> wrote in message
>> On 3/19/2013 12:05 PM, Steven_Lord wrote:
>>> "Yousef " <firstname.lastname@example.org> 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,
> Yes, I did focus on that piece and didn't look at the code.
>> 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.
> Even more succinctly, you can probably just replace this with a call to
If have recent-enough version, yes...
>> help hypot
hypot.m not found.
I've not yet learned all the new functions and generally don't use the
gratis new release owing to it overwhelming my old machine, unfortunately...