[sdiy] DSP book recommendation wanted

Aaron Lanterman lanterma at ece.gatech.edu
Sat Sep 26 03:05:17 CEST 2009


On Sep 24, 2009, at 5:36 PM, Aaron Lanterman wrote:

> On Sep 24, 2009, at 3:15 PM, Nathan M. Reeves wrote:
>
> In the below three, remove the d/dx in front and put dx at the end  
> and an indefinite integral symbol in front
>
>> d/dx(cos(a x)) =-asin(a x) <- yup
>>
>> d/dx sin(a x) = acos(a x) <- yup
>>
>> d/dx e^(a x) = axe^(a x) <- remove the first x on the RHS, so it's  
>> a e^(a x)

Doh! I was smoking crack there or something. Those are indeed  
derivatives, not integrals as I erroneously stated.

- Aaron



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