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Topic: Mathematica plot not matching up to excel plot tia sal22
Replies: 3   Last Post: Sep 1, 2009 3:53 AM

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ratulloch@gmail.com

Posts: 66
Registered: 1/12/09
Mathematica plot not matching up to excel plot tia sal22
Posted: Aug 31, 2009 6:35 AM
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Mathematica plot not matching up to excel plot tia sal22

Greetings All

I have a set of data values I plot in excel then I create a polynomial
so it can be plotted in mathematica. Then I create an audio file using
the piecewise function in mathematica. The problem I'm having is when
I compare the excel plot and the mathematica plot they don't match up.

If your wondering why I use the piecewise function in mathematica it's
due to the fact it allows me to create an audio file with it. Is there
a better way to do this?

For excel file with data points---> link
http://tools.onewithall.net/mathematica/excel_mathematica_question.xls

For mathematica file---> link
http://tools.onewithall.net/mathematica/math_question.nb

For mathematica image only---> link
http://tools.onewithall.net/mathematica/mathematica_code_jpg.jpg

For excel and mathematica plots compared image only --->
http://tools.onewithall.net/mathematica/excel_mathematica_plots_compared_jpg.jpg


tia sal22

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