Re: Sine wave code

On 29/12/2020 11:04, Blaz wrote:
> Hello coders
>
> I have a request for some sine wave code. I need to create a modified sine
> wave where I cuttof the wave at certain value and hold this until the next
> zero crossing (Please refer to the red marked line on the picture). The sine
> wave (or some other for that matter) comes in as an input vector with 20
> samples per period (this can change though from 20 to up to 40 max, but I
> don't think this has any consequence though).
>
> This is part of a longer code, but I can not get this section done properly.
> I would appreciate any kind of ideas.
>
> Thanks.
>
> <https://octave.1599824.n4.nabble.com/file/t373917/untitled.png>
>
>
>
> --
> Sent from: https://octave.1599824.n4.nabble.com/Octave-General-f1599825.html
>
>

Have you ever heard of 'asin', 'acos' functions ? 
https://en.wikipedia.org/wiki/Inverse_trigonometric_functions would be a 
good start.

--Sergei.