<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div dir="ltr">Hello,</div><div dir="ltr"><br></div><div dir="ltr">filter() has the same api as Matlab’s filter() ans uses Matlab convention for polynomial coefficients, which is the reverse of Scilab convention.</div><div dir="ltr"><br></div><div dir="ltr">S.</div><div dir="ltr"><br><blockquote type="cite">Le 29 mars 2020 à 12:00, Federico Miyara <fmiyara@fceia.unr.edu.ar> a écrit :<br><br></blockquote></div><blockquote type="cite"><div dir="ltr">
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<font face="Courier New">Dear all,<br>
<br>
Some t¿ime ago I observed fo a previous version, that the function
filter() required that polynomials, when expressed as vectors,
have the coefficients in decreasing power order while poly()
required them in increasing order.<br>
<br>
I'm asking whether this has been modified or not (the
documentation is still as it was), since in an application case it
seems to work as if now the required order were the same as in
poly.<br>
<br>
Regards,<br>
<br>
Federico<br>
<br>
</font>
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