Using Polyfit in Simulink

Sheetansh Kaushik

2013 7 16

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Hi! Please consider the following:

1. X[501x1]

2. Y[501x1]

I am trying to use the polyfit block simulink. After setting the Order for 8, the last 4 values are always zero. similarly, for order 7, last 3 values are always zero and so on until 5, where i get no zeros. Please advise whether i am using the system in-correctly or my understanding is flawed??

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Sheetansh Kaushik 2013-7-16

编辑：Sheetansh Kaushik 2013-7-16

http://i40.tinypic.com/316krib.jpg

Here is the link for the Model Screenshot.

Kilian 2015-5-25

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Sebastian Castro 2015-5-25

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Did you try double-clicking the Display block and changing the Format options? The default is "short", which may not show the smaller higher-order values.

- Sebastian