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