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Re: How can I reduce the frequency of a sine wave tia sal22
*To*: mathgroup at smc.vnet.net
*Subject*: [mg104760] Re: How can I reduce the frequency of a sine wave tia sal22
*From*: Bill Rowe <readnews at sbcglobal.net>
*Date*: Sun, 8 Nov 2009 06:52:23 -0500 (EST)
On 11/7/09 at 6:51 AM, ratulloch at gmail.com (Rick T) wrote:
>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.
Reduce the factor multiplying x by 2. That is
Plot[Sin[5 x], {x, 0, 2 Pi}]
has 5 cycles
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