JJ Redick Posted June 29, 2015 Report Share Posted June 29, 2015 I've been working on my math IA on sine periodic functions to predict annual sales of a company. I used a local company's sales data for my IA, and i don't know what should I do with the data gathered and what to present. Any help with the development to make a good Math SL IA? All replies appreciated Reply Link to post Share on other sites More sharing options...
UncleChopChop Posted July 5, 2015 Report Share Posted July 5, 2015 If you're trying to fit a function to data, you can use curve fitting software (available through programs like Logger Pro and MATLAB) to find constants such that a function (eg a sinusoid) fits a dataset well. I would question the validity of a sinusoidal model though - there's so many external factors and you might just be arguing "this looks like a sinusoidal curve so I'm fitting one to it". You'll need to justify the validity of such a model somehow. Reply Link to post Share on other sites More sharing options...
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