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use the previous result of a function in the calculation

1 Ansicht (letzte 30 Tage)

Matthew Rademacher am 2 Jul. 2020

Geschlossen: MATLAB Answer Bot am 20 Aug. 2021

I want to perform a calculation:

, how can I include the Y(i-1) part? Obviously a loop would work, but my data set is quite large so a loop takes a while to execute.

Is there a better way?

David Goodmanson am 2 Jul. 2020

Bearbeitet: David Goodmanson am 2 Jul. 2020

Hi Matthew,

there is definitely a better way.

Y = filter(B,[1 -A],X)

Here the assumption is that X is an input vector and B is a scalar constant. See help for filter for the input conventions.

R2017a

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