[sdiy] DSP book recommendation wanted

[Nathan M. Reeves]

lol

if remember correctly...

d/dx(cos(x))= -sin(x)

d/dx(sin(x))= cos(x)

so...

d/dx(cos(a x)) =-asin(a x)

d/dx sin(a x) = acos(a x)

d/dx e^(a x) = axe^(a x)


is that right?

cheers,

nate


On Sep 24, 2009, at 2:02 PM, Aaron Lanterman wrote:

>
> On Sep 24, 2009, at 12:33 PM, Antti Huovilainen wrote:
>
>> Understanding the concept of derivative and integral is required.  
>> Actually needing to calculate non-trivial cases is rather rare  
>> though.
>> Basic numerical methods come in handy too.
>
> When I teach ECE2025: Introduction to Signal Processing, I tell  
> students they need to be able to integrate and differentiate:
>
> sin(a x)
> cos(a x)
> exp(a x)
>
> ...
>
> and that's it. :)
>
> - Aaron
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