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    Hi Jonathan,<br>
    <br>
    The half cycle would be written:<br>
    sqrt(1-x^2)<br>
    since in a circle x²+y²=1<br>
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      Then depending on how you want to use it, you'd have to figure out
      a way to have the lower portion.<br>
      See attached patch with a [phasor~]<br>
      <br>
      Hope this helps.<br>
      <br>
      Cheers<br>
      Pierre-Olivier<br>
      <br>
      <br>
      <br>
      On 28/06/2014 21:40, Jonathan Wilkes via Pd-list wrote:<br>
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      cite="mid:1403984409.85119.YahooMailNeo@web162601.mail.bf1.yahoo.com"
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              'Helvetica Neue', Helvetica, Arial, 'Lucida Grande',
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              <div id="yiv5851706051yui_3_16_0_1_1403984207039_4247">Hi
                list,</div>
              <div id="yiv5851706051yui_3_16_0_1_1403984207039_4247">   
                 If I take a circle, cut it in half horizontally, then
                move the bottom half r*2 units to the right, what is the
                waveform that results?</div>
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                  id="yiv5851706051yui_3_16_0_1_1403984207039_4275">
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              <div id="yiv5851706051yui_3_16_0_1_1403984207039_4247"
                style="color: rgb(0, 0, 0); font-size: 16px;
                font-family: HelveticaNeue, 'Helvetica Neue', Helvetica,
                Arial, 'Lucida Grande', sans-serif; font-style: normal;
                background-color: transparent;">-Jonathan</div>
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      <pre wrap="">_______________________________________________
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