Re: How can I reduce the frequency of a sine wave tia sal22
- To: mathgroup at smc.vnet.net
- Subject: [mg104731] Re: How can I reduce the frequency of a sine wave tia sal22
- From: David Bailey <dave at removedbailey.co.uk>
- Date: Sun, 8 Nov 2009 06:46:18 -0500 (EST)
- References: <hd3mup$9u7$1@smc.vnet.net>
Rick T wrote:
> Greetings All
>
> I have the example below which produces 10 cycles
> a = Sin[10 x]
> Plot[a, {x, 0, 2 Pi}]
>
> What Type of signal would I need to add/multiple/divide to reduce it's
> signal/frequency to 5 cycles? I know I can just change the number 10
> to 5
> but I need to combine it with another signal. what mathematical
> operation/signal do I need to use.
>
> tia sal2
>
I wonder what course you are taking - do we get to share your marks!
Seriously, what is the point in asking others to do your homework!
David Bailey
http://www.dbaileyconsultancy.co.uk