replace in opening quotations

This commit is contained in:
2022-04-12 23:17:03 -03:00
parent 1ca5c25706
commit 19822c017f
89 changed files with 282 additions and 282 deletions

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@@ -103,11 +103,11 @@ the <IMG
One customarily marks each of the <IMG
WIDTH="21" HEIGHT="30" ALIGN="MIDDLE" BORDER="0"
SRC="img898.png"
ALT="$Q_i$"> with an ``o" (calling it a ``zero")
ALT="$Q_i$"> with an "o" (calling it a "zero")
and each of the <IMG
WIDTH="19" HEIGHT="30" ALIGN="MIDDLE" BORDER="0"
SRC="img899.png"
ALT="$P_i$"> with an ``x" (a ``pole"); their names are borrowed
ALT="$P_i$"> with an "x" (a "pole"); their names are borrowed
from the field of complex analysis. A plot showing the poles and zeroes
associated with a filter is unimaginatively called a <A NAME="10312"></A><I>pole-zero plot</I>.