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The dagger should not be confused with the symbols U+271D LATIN CROSS, U+253C ┼ BOX DRAWINGS LIGHT VERTICAL AND HORIZONTAL, or other cross symbols. The double dagger should not be confused with the U+2628 ☨ CROSS OF LORRAINE, or U+2626 ☦ ORTHODOX CROSS, or U+01C2 ǂ LATIN LETTER ALVEOLAR CLICK in IPA, or U+167E ᙾ CANADIAN SYLLABICS ...
In mathematics, the first symbol is mainly used in Anglophone countries to represent the mathematical operation of division and is called an obelus. [3] In editing texts, the second symbol, also called a dagger mark † is used to indicate erroneous or dubious content; [4] [5] or as a reference mark or footnote indicator. [6]
Typographical symbols and punctuation marks are marks and symbols used in typography with a variety of purposes such as to help with legibility and accessibility, or to identify special cases. This list gives those most commonly encountered with Latin script. For a far more comprehensive list of symbols and signs, see List of Unicode characters.
In mathematics, the conjugate transpose, also known as the Hermitian transpose, of an complex matrix is an matrix obtained by transposing and applying complex conjugation to each entry (the complex conjugate of + being , for real numbers and ).
The second is preferred in physics, where dagger (†) is used for the conjugate transpose, as well as electrical engineering and computer engineering, where bar notation can be confused for the logical negation ("NOT") Boolean algebra symbol, while the bar notation is more common in pure mathematics.
Picture this: a tomb hiding a jaw-dropping 5,000-year-old dagger made from rock crystal, stretching about 8.7 inches of pure craftsmanship, complete with an opulent ivory hilt and sheath.
A mathematical symbol is a figure or a combination of figures that is used to represent a mathematical object, an action on mathematical objects, a relation between mathematical objects, or for structuring the other symbols that occur in a formula. As formulas are entirely constituted with symbols of various types, many symbols are needed for ...
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