sinusoidal modelling

[wosh...@gmail.com]

I am modelling a distorted sinusoid using y=f0(sin(f1()w+f2())).

y is the distorted sinusoidal input variable set. w is a linear count from 0 to 1 that matches the y data set in number- that is, each of these two data sets is equal in length.

y is actually a series of distorted (about 6 percent distortion) sine waves.

What I am trying to do is create a polynomial that based upon a number in w will produce the corresponding value of y in my series of sinusoids.

I am using a gaussian to help the fit and the output actually looks like I expect.

I have included the file. Since I am new to Formulize, I would appreciate it if anyone has the time to look at what I have done and tell me whether they think I have expressed what I want correctly.

Thank you,

Don Morgan

[Alison Reynolds]

Hi Don,

I'm having trouble opening the project file that you uploaded.  Would you be able to try saving the project again and uploading a new copy?

Thanks!

Alison

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[wosh...@gmail.com]

Thank you Alison, I think I answered my own question regarding that, though I will include another copy that I am testing before uploading so that at least the exchange will be complete.

I have another question about outliers that I expect to open another thread on when i have something to show and talk about.

Don

[Alison Reynolds]

Great, yes, that one I can open.  I'll keep an eye out for your other question.

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[Don Morgan (E-mail)]

Hello,

I live in Beijing and it is not always easy to get to the groups page on google, though I do receive the email. 

I am replying to a response from Alison in hopes that it arrives and someone can answer this question. Sorry for the inconvenience.

Question: Am I alone in having difficulty saving and recalling files (fxp)? Is it because i am using the free trial month that it reports "error reading XML" file for so very many of my files?

I use a MacBook Pro, running the latest version of OS X. 

Thank you,

Don Morgan

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[Andrew Lamb]

We have had other reports of people on mac experiencing problem saving/loading .fxp files. We have a potential workaround we will include in the next version which we hope to release soon.

Andrew