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Jun 25, 2018 at 19:11 comment added Francois Ziegler I think you’re right that the name “cardinal” for interpolation series goes back to Whittaker. But who first called the sinc function “cardinal sine” remains anyone’s guess. Whittaker (1915) certainly doesn’t, nor does Woodward imply that “c” is for cardinal.
Jun 25, 2018 at 15:38 history edited Carl Witthoft CC BY-SA 4.0
corrected reference trail
Jun 25, 2018 at 15:29 comment added Carl Witthoft @FrancoisZiegler I stand corrected -- the text of the WIki page was rather misleading. I'll try to update my answer shortly
Jun 25, 2018 at 14:44 comment added Francois Ziegler The Wikipedia page doesn’t say that, nor do the words “cardinal” or “cardinalis” appear in the quoted 1952 paper and 1953 book.
Jun 25, 2018 at 12:02 history answered Carl Witthoft CC BY-SA 4.0