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In mathematics, the discriminant of a polynomial is a quantity that depends on the coefficients and allows deducing some properties of the roots without computing them. More precisely, it is a polynomial function of the coefficients of the original polynomial. The discriminant is widely used in polynomial factoring, number theory, and algebraic ...
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.
The following table lists many common symbols, together with their name, how they should be read out loud, and the related field of mathematics. Additionally, the subsequent columns contains an informal explanation, a short example, the Unicode location, the name for use in HTML documents, [1] and the LaTeX symbol.
Arrow (symbol) Chevron (insignia) ∆ (disambiguation) D, d; Д, д ẟ – Latin delta; ∂ – the partial derivative symbol, a curved d, sometimes mistaken for a lowercase Greek letter Delta. ð – the small eth appears similar to a small delta and also represents a d sound in some contexts; Th (digraph) Thorn (letter)
The discriminant of K is 49 = 7 2. Accordingly, the volume of the fundamental domain is 7 and K is only ramified at 7. In mathematics, the discriminant of an algebraic number field is a numerical invariant that, loosely speaking, measures the size of the (ring of integers of the) algebraic number field.
The post 96 Shortcuts for Accents and Symbols: A Cheat Sheet appeared first on Reader's Digest. Ever wondered how to add an accent, or where the degree symbol is? These printable keyboard shortcut ...
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 ...
The real part of the discriminant as a function of the square of the nome q on the unit disk. The modular discriminant Δ is defined as the discriminant of the characteristic polynomial of the differential equation ℘ ′ 2 ( z ) = 4 ℘ 3 ( z ) − g 2 ℘ ( z ) − g 3 {\displaystyle \wp '^{2}(z)=4\wp ^{3}(z)-g_{2}\wp (z)-g_{3}} as follows ...