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Mathematica 字符名称

\[DiscreteRatio]

Unicode: F4A4

Alias: Esc dratio Esc.

Prefix operator with built-in evaluation rules.

is by default interpreted as DiscreteRatio[y, k].

You can use \[InvisibleComma] in the subscript to to give several variables without having them separated by visible commas.

Not the same as the Greek letter \[CapitalTheta].

Letters and Letter-like Forms

\[DifferenceDelta] \[DiscreteShift] \[Product] \[CapitalTheta]

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