• Thumbnail for Hyperbolic spiral
    A hyperbolic spiral is a type of spiral with a pitch angle that increases with distance from its center, unlike the constant angles of logarithmic spirals...
    22 KB (2,592 words) - 08:31, 26 August 2024
  • Thumbnail for Spiral
    Archimedean spiral hyperbolic spiral Fermat's spiral lituus logarithmic spiral Cornu spiral spiral of Theodorus Fibonacci Spiral (golden spiral) The involute...
    34 KB (4,541 words) - 02:03, 20 July 2024
  • Thumbnail for Archimedean spiral
    1. Other spirals falling into this group include the hyperbolic spiral (c = −1), Fermat's spiral (c = 2), and the lituus (c = −2). One method of squaring...
    18 KB (2,289 words) - 06:59, 7 August 2024
  • Thumbnail for Golden spiral
    logarithmic spirals, Archimedean spirals, or hyperbolic spirals, their pitch angles vary with distance from the galactic center, unlike logarithmic spirals (for...
    12 KB (1,373 words) - 06:09, 12 June 2024
  • Thumbnail for Conical spiral
    4) Example 4 is based on a hyperbolic spiral r ( φ ) = a / φ {\displaystyle \;r(\varphi )=a/\varphi \;} . Such a spiral has an asymptote (black line)...
    8 KB (1,463 words) - 15:15, 9 May 2024
  • Thumbnail for Hyperbolic functions
    In mathematics, hyperbolic functions are analogues of the ordinary trigonometric functions, but defined using the hyperbola rather than the circle. Just...
    29 KB (4,822 words) - 14:47, 7 September 2024
  • Thumbnail for Pitch angle of a spiral
    from the center of the spiral. For an Archimedean spiral the angle decreases with the distance, while for a hyperbolic spiral the angle increases with...
    3 KB (306 words) - 07:48, 4 January 2024
  • Thumbnail for Logarithmic spiral
    spiral, equiangular spiral, or growth spiral is a self-similar spiral curve that often appears in nature. The first to describe a logarithmic spiral was...
    18 KB (2,222 words) - 07:06, 5 April 2024
  • Spirals Archimedean spiral Cornu spiral Cotes' spiral Fermat's spiral Galileo's spiral Hyperbolic spiral Lituus Logarithmic spiral Nielsen's spiral Golden...
    47 KB (3,580 words) - 17:01, 29 June 2024
  • Thumbnail for Fermat's spiral
    complete Fermat's spiral (both branches) is a smooth double point free curve, in contrast with the Archimedean and hyperbolic spiral. Like a line or circle...
    13 KB (1,788 words) - 06:00, 14 August 2024
  • Thumbnail for Spiral arm
    logarithmic spiral. However, spiral arms may also be described as an Archimedean or hyperbolic spiral. In the case of the logarithmic spiral, the pitch...
    50 KB (5,491 words) - 02:09, 2 September 2024
  • list of spirals includes named spirals that have been described mathematically. Mathematics portal Catherine wheel (firework) List of spiral galaxies...
    10 KB (176 words) - 17:24, 28 July 2024
  • Thumbnail for Stairs
    Stairs (redirect from Spiral stairs)
    of the oldest structures in architectural history. The oldest example of spiral stairs dates back to the 400s BC. Medieval architecture saw experimentation...
    76 KB (9,677 words) - 16:39, 4 September 2024
  • Syntractrix Tractrix Trochoid Archimedean spiral Cornu spiral Fermat's spiral Hyperbolic spiral Lituus Logarithmic spiral Maurer rose Reuleaux triangle Blancmange...
    8 KB (206 words) - 01:55, 24 July 2024
  • Thumbnail for Tractrix
    regarded in a multitude of ways: It is the locus of the center of a hyperbolic spiral rolling (without skidding) on a straight line. It is the involute...
    12 KB (1,462 words) - 23:34, 5 April 2024
  • Sinusoid Spirals Archimedean spiral Cornu spiral Cotes' spiral Fermat's spiral Galileo's spiral [3] Hyperbolic spiral Lituus Logarithmic spiral Nielsen's...
    7 KB (528 words) - 02:32, 24 July 2024
  • first and third forms are Poinsot's spirals; the second is the equiangular spiral; the fourth is the hyperbolic spiral; the fifth is the epispiral. For more...
    9 KB (1,153 words) - 01:19, 3 June 2024
  • {\frac {rp_{c}}{p}}\right)=0.} As an example take the logarithmic spiral with the spiral angle α: r = a e cos ⁡ α sin ⁡ α θ . {\displaystyle r=ae^{{\frac...
    13 KB (1,588 words) - 16:13, 22 February 2024
  • \operatorname {sech} (n\theta )} where csch is the hyperbolic cosecant, and sech is the hyperbolic secant. They are named after the French mathematician...
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  • Thumbnail for Trigonometric integral
    treat Cin as the primary function, and derive Ci in terms of Cin. The hyperbolic sine integral is defined as Shi ⁡ ( x ) = ∫ 0 x sinh ⁡ ( t ) t d t . {\displaystyle...
    18 KB (3,230 words) - 15:34, 12 May 2024
  • Thumbnail for Mandelbrot set
    known as density of hyperbolicity, is one of the most important open problems in complex dynamics. Hypothetical non-hyperbolic components of the Mandelbrot...
    59 KB (7,732 words) - 19:34, 29 August 2024
  • Thumbnail for Inverse curve
    Archimedean spiral and hyperbolic spiral are inverse curves. Similarly, the Fermat spiral and the lituus are inverse curves. The logarithmic spiral is its...
    14 KB (2,405 words) - 08:23, 3 December 2023
  • Thumbnail for Spiral bevel gear
    (that is, the pitch surface of the hypoid gear is a hyperbolic surface), whereas the shape of a spiral bevel gear is normally conical. The hypoid gear places...
    6 KB (909 words) - 08:44, 22 May 2024
  • {\displaystyle C=1} , the solution is the hyperbolic spiral. When C > 1 {\displaystyle C>1} the solution is Poinsot's spiral. Although the Binet equation fails...
    9 KB (1,771 words) - 17:45, 22 May 2024
  • Thumbnail for List of regular polytopes
    This article lists the regular polytopes in Euclidean, spherical and hyperbolic spaces. This table shows a summary of regular polytope counts by rank....
    98 KB (5,291 words) - 09:50, 1 September 2024
  • orientation-preserving isometries of hyperbolic 3-space and therefore plays an important role when studying hyperbolic 3-manifolds. In physics, the identity...
    70 KB (10,554 words) - 05:55, 8 August 2024
  • Thumbnail for Gudermannian function
    In mathematics, the Gudermannian function relates a hyperbolic angle measure ψ {\textstyle \psi } to a circular angle measure ϕ {\textstyle \phi } called...
    38 KB (5,369 words) - 03:02, 5 August 2024
  • Thumbnail for Soboleva modified hyperbolic tangent
    Inverse hyperbolic functions List of integrals of hyperbolic functions Poinsot's spirals Sigmoid function Soboleva proposed the name "modified hyperbolic tangent"...
    17 KB (1,109 words) - 21:38, 17 July 2024
  • going to zero yields the third form of a Cotes's spiral, the so-called reciprocal spiral or hyperbolic spiral, as a solution 1 r = A θ 2 + ε {\displaystyle...
    57 KB (7,562 words) - 01:34, 5 September 2024
  • Thumbnail for Tessellation
    Voderberg tiling, a spiral, monohedral tiling made of enneagons Alternated octagonal or tritetragonal tiling is a uniform tiling of the hyperbolic plane Topological...
    58 KB (6,042 words) - 15:04, 19 August 2024