• century and has been referred to as Fourier's, Budan–Fourier, Fourier–Budan, and even Budan's theorem. Budan's original formulation is used in fast modern...
    15 KB (2,241 words) - 06:14, 27 January 2025
  • roots in (M(b), M(+∞)) */ if w = 0 then exit /* Budan's theorem */ if w = 1 then /* Budan's theorem again */ add (M(0), M(b)) to Isol if w > 1 then add...
    32 KB (4,602 words) - 20:55, 5 February 2025
  • Thumbnail for François Budan de Boislaurent
    method; Horner comments there and elsewhere on Budan's results, at first being sceptical of the value of Budan's work, but later warming to it. Thus, these...
    5 KB (570 words) - 14:36, 21 April 2025
  • Thumbnail for Bisection method
    existence of a root in an interval (Descartes' rule of signs, Sturm's theorem, Budan's theorem). They allow extending the bisection method into efficient algorithms...
    56 KB (6,161 words) - 05:24, 3 June 2025
  • Thumbnail for Descartes' rule of signs
    Descartes' rule of signs (category Theorems about polynomials)
    count roots in any interval. This is the basic idea of Budan's theorem and the Budan–Fourier theorem. Repeated division of an interval in two results in...
    10 KB (1,797 words) - 00:18, 1 June 2025
  • there are other methods such as Descartes' rule of signs, Budan's theorem and Sturm's theorem for bounding or determining the number of roots in an interval...
    17 KB (2,724 words) - 15:10, 4 May 2025
  • 1807, the French mathematician François Budan de Boislaurent generalized Descarte's result into Budan's theorem which counts the real roots in a half-open...
    28 KB (4,030 words) - 00:15, 29 May 2025
  • the Alesina–Galuzzi "a_b roots test" is Budan's "0_1 roots test". A detailed discussion of Vincent's theorem, its extension, the geometrical interpretation...
    62 KB (8,103 words) - 09:14, 10 January 2025
  • a list of things named after Joseph Fourier: Budan–Fourier theorem, see Budan's theorem Fourier's theorem Fourier–Motzkin elimination Fourier algebra Fourier...
    2 KB (267 words) - 11:51, 21 February 2023
  • S2CID 154334522. Akritas, Alkiviadis G. (1982). "Reflections on a pair of theorems by Budan and Fourier". Math. Mag. 55 (5): 292–298. doi:10.2307/2690097. JSTOR 2690097...
    19 KB (2,807 words) - 17:03, 2 July 2024
  • using Budan's theorem for separation of roots was given in 1842, by James R. Christie; it was noted by Young. In 1843 Young commented that Budan's approach...
    13 KB (1,411 words) - 17:22, 8 December 2024
  • Thumbnail for Joseph Fourier
    Fourier's theorem on polynomial real roots, published in 1820. François Budan, in 1807 and 1811, had published independently his theorem (also known...
    24 KB (2,291 words) - 15:23, 31 May 2025