• Thumbnail for Cross-ratio
    In geometry, the cross-ratio, also called the double ratio and anharmonic ratio, is a number associated with a list of four collinear points, particularly...
    30 KB (4,844 words) - 16:01, 15 October 2024
  • Thumbnail for Ratio
    triangle. Cross ratio Dilution ratio Displacement–length ratio Dimensionless quantity Financial ratio Fold change Interval (music) Odds ratio Parts-per...
    24 KB (3,682 words) - 13:28, 9 October 2024
  • Cohen's h Cross-ratio Diagnostic odds ratio Forest plot Hazard ratio Likelihood ratio Rate ratio Szumilas M (August 2010). "Explaining Odds Ratios". Journal...
    49 KB (7,072 words) - 06:11, 16 October 2024
  • Thumbnail for Projective harmonic conjugate
    projective geometry, harmonic conjugacy can also be defined in terms of the cross-ratio as (A, B; C, D) = −1. The four points are sometimes called a harmonic...
    16 KB (2,611 words) - 17:50, 16 March 2024
  • Thumbnail for Circle
    Circle (section Cross-ratios)
    indicated circle satisfies the given ratio. A closely related property of circles involves the geometry of the cross-ratio of points in the complex plane....
    45 KB (6,119 words) - 10:31, 8 October 2024
  • Thumbnail for Cayley–Klein metric
    complement of a fixed quadric in a projective space which is defined using a cross-ratio. The construction originated with Arthur Cayley's essay "On the theory...
    26 KB (3,691 words) - 20:52, 11 February 2024
  • the point at infinity, then the cross-ratio has to be defined by taking the appropriate limit; e.g. the cross-ratio of z 1 , z 2 , z 3 , ∞ {\displaystyle...
    70 KB (10,560 words) - 11:25, 17 October 2024
  • Thumbnail for Golden ratio
    In mathematics, two quantities are in the golden ratio if their ratio is the same as the ratio of their sum to the larger of the two quantities. Expressed...
    113 KB (12,932 words) - 06:03, 15 October 2024
  • call the collineation group the automorphism group of the design. The cross-ratio of four collinear points is an invariant under the homography that is...
    30 KB (3,641 words) - 01:24, 25 February 2024
  • Thumbnail for Poisson's ratio
    In materials science and solid mechanics, Poisson's ratio (symbol: ν (nu)) is a measure of the Poisson effect, the deformation (expansion or contraction)...
    33 KB (4,418 words) - 22:05, 2 October 2024
  • calculation can be achieved by considering the ratios as those of similar triangles. In practice, the method of cross-multiplying means that we multiply the numerator...
    11 KB (1,636 words) - 14:41, 18 July 2024
  • Thumbnail for Financial ratio
    ". Two types of ratio comparisons can be made, cross-sectional and time-series. Cross-sectional analysis compares the financial ratios of different companies...
    18 KB (2,033 words) - 16:32, 7 October 2024
  • PMID 19127890. S2CID 1908108. Lee, James (1994). "Odds Ratio or Relative Risk for Cross-Sectional Data?". International Journal of Epidemiology. 23...
    11 KB (1,450 words) - 14:37, 14 August 2024
  • monohybrid cross to create the dihybrid cross. From these experiments, he determined the phenotypic ratio (9:3:3:1) seen in dihybrid cross for a heterozygous...
    6 KB (773 words) - 23:06, 22 April 2024
  • Thumbnail for Flag of Switzerland
    federal cross. Its arms are equilateral, and their ratio of length to width is 7:6. The size of the cross in relation to the field was set in 2017 as 5:8...
    37 KB (4,331 words) - 08:18, 28 September 2024
  • Thumbnail for Projective line over a ring
    line points U[0, 1], U[1, 1], U[1, 0] is called the cross-ratio homography. Sometimes the cross-ratio is taken as the value of h on a fourth point x : (x...
    25 KB (2,976 words) - 15:01, 30 June 2024
  • R is the ratio of the hadronic cross section to the muon cross section in electron–positron collisions: R = σ ( 0 ) ( e + e − → h a d r o n s ) σ ( e...
    3 KB (420 words) - 00:26, 15 June 2024
  • The price-to-book ratio, or P/B ratio, (also PBR) is a financial ratio used to compare a company's current market value to its book value (where book value...
    8 KB (1,059 words) - 04:15, 7 June 2024
  • In statistics, the likelihood-ratio test is a hypothesis test that involves comparing the goodness of fit of two competing statistical models, typically...
    17 KB (2,098 words) - 09:11, 20 July 2024
  • Thumbnail for Monohybrid cross
    the monohybrid ratio. Generally, the monohybrid cross is used to determine the dominance relationship between two alleles. The cross begins with the...
    11 KB (1,421 words) - 10:14, 21 November 2023
  • Thumbnail for Digit ratio
    The digit ratio is the ratio taken of the lengths of different digits or fingers on a hand. The most commonly studied digit ratio is that of the 2nd (index...
    63 KB (7,365 words) - 20:55, 4 October 2024
  • them conforming to a pattern: a blue rectangle, with ten instances of the Cross of Vytis appearing in gold, acts as a fringe to the central feature of the...
    11 KB (91 words) - 20:44, 27 September 2024
  • Thumbnail for Slenderness ratio
    In architecture, the slenderness ratio, or simply slenderness, is an aspect ratio, the quotient between the height and the width of a building. In structural...
    4 KB (299 words) - 01:03, 17 April 2024
  • Thumbnail for Projective linear group
    and is the unique such map that does so. This is the cross-ratio (x, b; a, c) – see Cross-ratio § Transformational approach for details. For n ≥ 3, PGL(n...
    44 KB (5,611 words) - 09:09, 9 September 2024
  • The loan-to-value (LTV) ratio is a financial term used by lenders to express the ratio of a loan to the value of an asset purchased. In real estate, the...
    8 KB (1,121 words) - 12:40, 9 April 2024
  • algebras have been styled the "generalized complex numbers". The idea of cross-ratio of four complex numbers can be extended to the 2-dimensional real algebras...
    27 KB (3,216 words) - 14:48, 11 October 2024
  • Thumbnail for Lift-to-drag ratio
    In aerodynamics, the lift-to-drag ratio (or L/D ratio) is the lift generated by an aerodynamic body such as an aerofoil or aircraft, divided by the aerodynamic...
    16 KB (1,830 words) - 02:53, 12 August 2024
  • the cross ratio invariant: (g(a),g(b);g(c),g(d)) = (a,b:c,d). Since the Möbius group acts simply transitively on triples of points, the cross ratio can...
    90 KB (12,928 words) - 15:02, 27 September 2024
  • Thumbnail for Display aspect ratio
    The display aspect ratio (DAR) is the aspect ratio of a display device and so the proportional relationship between the physical width and the height...
    25 KB (2,376 words) - 17:56, 23 June 2024
  • original post. Twitter users may "initiate" a ratio by replying or quote retweeting a tweet with the text "ratio" in the hopes that their tweet acquires more...
    96 KB (9,968 words) - 07:41, 16 October 2024