アルキメデスの螺旋
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*アルキメデスの螺旋 :Archimedean spiral [#n91b3b1a]
アルキメデスの螺旋(らせん Archimedes' spiral)は極座標...
-The Archimedes' spiral (or spiral of Archimedes) is a ki...
Archimedes' spiral
r=a・θ .
-Sometimes the term Archimedean spiral is used for the mo...
#ref(Spiral.png)
The normal Archimedean spiral occurs when x = 1. Other sp...
-The Archimedean spiral (also known as the arithmetic spi...
r=a+b・θ
with real numbers a and b.
Changing the parameter a will turn the spiral, while b co...
-This Archimedean spiral is distinguished from the logari...
#ref(ArchmedeanSpiral.JPG)
*フェルマーの螺旋 Fermat's spiral [#n4183ec4]
Fermat's spiral (also known as a parabolic spiral) follow...
in polar coordinates (the more general Fermat's spiral fo...
Fermat's spiral traverses equal annuli in equal turns. Th...
#ref(FermatSpiral2.JPG)
where θ is the angle, r is the radius or distance from th...
#ref(FermatSpiral.JPG)
終了行:
*アルキメデスの螺旋 :Archimedean spiral [#n91b3b1a]
アルキメデスの螺旋(らせん Archimedes' spiral)は極座標...
-The Archimedes' spiral (or spiral of Archimedes) is a ki...
Archimedes' spiral
r=a・θ .
-Sometimes the term Archimedean spiral is used for the mo...
#ref(Spiral.png)
The normal Archimedean spiral occurs when x = 1. Other sp...
-The Archimedean spiral (also known as the arithmetic spi...
r=a+b・θ
with real numbers a and b.
Changing the parameter a will turn the spiral, while b co...
-This Archimedean spiral is distinguished from the logari...
#ref(ArchmedeanSpiral.JPG)
*フェルマーの螺旋 Fermat's spiral [#n4183ec4]
Fermat's spiral (also known as a parabolic spiral) follow...
in polar coordinates (the more general Fermat's spiral fo...
Fermat's spiral traverses equal annuli in equal turns. Th...
#ref(FermatSpiral2.JPG)
where θ is the angle, r is the radius or distance from th...
#ref(FermatSpiral.JPG)
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