From Wikipedia, the free encyclopedia
First iterations of the quadratic type 2 Koch curve, the Minkowski sausage [a]
First iterations of the quadratic type 1 Koch curve [b]
Alternative generator with dimension of ln 18/ln 6 ≈ 1.61 [c]
Higher iteration of type 2 [a]
Example of a fractal antenna: a space-filling curve called a "Minkowski Island" [1] or "Minkowski fractal" [2] [b]
Generator
island [c]

The Minkowski sausage [3] or Minkowski curve is a fractal first proposed by and named for Hermann Minkowski as well as its casual resemblance to a sausage or sausage links. The initiator is a line segment and the generator is a broken line of eight parts one fourth the length. [4]

The Sausage has a Hausdorff dimension of . [a] It is therefore often chosen when studying the physical properties of non-integer fractal objects. It is strictly self-similar. [4] It never intersects itself. It is continuous everywhere, but differentiable nowhere. It is not rectifiable. It has a Lebesgue measure of 0. The type 1 curve has a dimension of ln 5/ln 3 ≈ 1.46. [b]

Multiple Minkowski Sausages may be arranged in a four sided polygon or square to create a quadratic Koch island or Minkowski island/[snow]flake:

Islands
Island formed by a different generator [5] [6] [7] with a dimension of ≈1.36521 [8] or 3/2 [5] [b]
Island formed by using the Sausage as the generator [a] [d]
Anti-island (anti cross-stitch curve), iterations 0-4 [b]
Anti-island: the generator's symmetry results in the island mirrored [a]
Same island as the first formed from a different generator , [6] which forms 2 right triangles with side lengths in ratio: 1:2:√5 [7] [b]
Quadratic island formed using curves with a different generator [c]

See also

Notes

  1. ^ a b c d e Quadratic Koch curve type 2
  2. ^ a b c d e f Quadratic Koch curve type 1
  3. ^ a b c Neither type 1 nor 2
  4. ^ This has been called the "zig-zag quadratic Koch snowflake". [9]

References

  1. ^ Cohen, Nathan (Summer 1995). "Fractal antennas Part 1". Communication Quarterly: 7–23.
  2. ^ Ghosh, Basudeb; Sinha, Sachendra N.; and Kartikeyan, M. V. (2014). Fractal Apertures in Waveguides, Conducting Screens and Cavities: Analysis and Design, p. 88. Volume 187 of Springer Series in Optical Sciences. ISBN  9783319065359.
  3. ^ Lauwerier, Hans (1991). Fractals: Endlessly Repeated Geometrical Figures. Translated by Gill-Hoffstädt, Sophia. Princeton University Press. p.  37. ISBN  0-691-02445-6. The so-called Minkowski sausage. Mandelbrot gave it this name to honor the friend and colleague of Einstein who died so untimely (1864-1909).
  4. ^ a b Addison, Paul (1997). Fractals and Chaos: An illustrated course, p. 19. CRC Press. ISBN  0849384435.
  5. ^ a b Weisstein, Eric W. (1999). " Minkowski Sausage", archive.lib.msu.edu. Accessed: 21 September 2019.
  6. ^ a b Pamfilos, Paris. " Minkowski Sausage", user.math.uoc.gr/~pamfilos/. Accessed: 21 September 2019.
  7. ^ a b Weisstein, Eric W. "Minkowski Sausage". MathWorld. Retrieved 22 September 2019.
  8. ^ Mandelbrot, B. B. (1983). The Fractal Geometry of Nature, p. 48. New York: W. H. Freeman. ISBN  9780716711865. Cited in Weisstein MathWorld.
  9. ^ Schmidt, Jack (2011). " The Koch snowflake worksheet II", p. 3, UK MA111 Spring 2011, ms.uky.edu. Accessed: 22 September 2019.

External links

From Wikipedia, the free encyclopedia
First iterations of the quadratic type 2 Koch curve, the Minkowski sausage [a]
First iterations of the quadratic type 1 Koch curve [b]
Alternative generator with dimension of ln 18/ln 6 ≈ 1.61 [c]
Higher iteration of type 2 [a]
Example of a fractal antenna: a space-filling curve called a "Minkowski Island" [1] or "Minkowski fractal" [2] [b]
Generator
island [c]

The Minkowski sausage [3] or Minkowski curve is a fractal first proposed by and named for Hermann Minkowski as well as its casual resemblance to a sausage or sausage links. The initiator is a line segment and the generator is a broken line of eight parts one fourth the length. [4]

The Sausage has a Hausdorff dimension of . [a] It is therefore often chosen when studying the physical properties of non-integer fractal objects. It is strictly self-similar. [4] It never intersects itself. It is continuous everywhere, but differentiable nowhere. It is not rectifiable. It has a Lebesgue measure of 0. The type 1 curve has a dimension of ln 5/ln 3 ≈ 1.46. [b]

Multiple Minkowski Sausages may be arranged in a four sided polygon or square to create a quadratic Koch island or Minkowski island/[snow]flake:

Islands
Island formed by a different generator [5] [6] [7] with a dimension of ≈1.36521 [8] or 3/2 [5] [b]
Island formed by using the Sausage as the generator [a] [d]
Anti-island (anti cross-stitch curve), iterations 0-4 [b]
Anti-island: the generator's symmetry results in the island mirrored [a]
Same island as the first formed from a different generator , [6] which forms 2 right triangles with side lengths in ratio: 1:2:√5 [7] [b]
Quadratic island formed using curves with a different generator [c]

See also

Notes

  1. ^ a b c d e Quadratic Koch curve type 2
  2. ^ a b c d e f Quadratic Koch curve type 1
  3. ^ a b c Neither type 1 nor 2
  4. ^ This has been called the "zig-zag quadratic Koch snowflake". [9]

References

  1. ^ Cohen, Nathan (Summer 1995). "Fractal antennas Part 1". Communication Quarterly: 7–23.
  2. ^ Ghosh, Basudeb; Sinha, Sachendra N.; and Kartikeyan, M. V. (2014). Fractal Apertures in Waveguides, Conducting Screens and Cavities: Analysis and Design, p. 88. Volume 187 of Springer Series in Optical Sciences. ISBN  9783319065359.
  3. ^ Lauwerier, Hans (1991). Fractals: Endlessly Repeated Geometrical Figures. Translated by Gill-Hoffstädt, Sophia. Princeton University Press. p.  37. ISBN  0-691-02445-6. The so-called Minkowski sausage. Mandelbrot gave it this name to honor the friend and colleague of Einstein who died so untimely (1864-1909).
  4. ^ a b Addison, Paul (1997). Fractals and Chaos: An illustrated course, p. 19. CRC Press. ISBN  0849384435.
  5. ^ a b Weisstein, Eric W. (1999). " Minkowski Sausage", archive.lib.msu.edu. Accessed: 21 September 2019.
  6. ^ a b Pamfilos, Paris. " Minkowski Sausage", user.math.uoc.gr/~pamfilos/. Accessed: 21 September 2019.
  7. ^ a b Weisstein, Eric W. "Minkowski Sausage". MathWorld. Retrieved 22 September 2019.
  8. ^ Mandelbrot, B. B. (1983). The Fractal Geometry of Nature, p. 48. New York: W. H. Freeman. ISBN  9780716711865. Cited in Weisstein MathWorld.
  9. ^ Schmidt, Jack (2011). " The Koch snowflake worksheet II", p. 3, UK MA111 Spring 2011, ms.uky.edu. Accessed: 22 September 2019.

External links


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