3-D Coordinate Systems
Main Concept
The Cartesian coordinate system is the default 3-D coordinate system used by Maple.
Additionally, Maple supports the following 3-D coordinate systems:
bipolarcylindrical
bispherical
cardioidal
cardioidcylindrical
casscylindrical
confocalellip
confocalparab
conical
cylindrical
ellcylindrical
ellipsoidal
hypercylindrical
invcasscylindrical
invellcylindrical
invoblspheroidal
invprospheroidal
logcoshcylindrical
logcylindrical
maxwellcylindrical
oblatespheroidal
paraboloidal
paraboloidal2
paracylindrical
prolatespheroidal
rectangular
rosecylindrical
sixsphere
spherical
tangentcylindrical
tangentsphere
toroidal
Conversions
The conversions from the various coordinate systems to cartesian coordinates in three dimensions
u,v,w→x,y,z
are given as follows:
bipolarcylindrical (Spiegel)
x=asinhvcoshv−cosu
y=asinucoshv−cosu
z=w
x=sinucoswd
y=sinusinwd
z=sinhvd where d=coshv−cosu
x=uvcoswu2+v22
y=uvsinwu2+v22
z=u2−v22u2+v22
x=u2−v22u2+v22
y=uvu2+v22
casscylindrical (Cassinian-oval cylinder)
x=a2ⅇ2u+2ⅇucosv+1+ⅇucosv+12
y=a2ⅇ2u+2ⅇucosv+1−ⅇucosv−12
confocalellip (confocal elliptic)
x=a2−ua2−va2−wa2−b2a2−c2
y=b2−ub2−vb2−w−a2+b2b2−c2
z=c2−uc2−vc2−w−a2+c2−b2+c2
confocalparab (confocal parabolic)
x=a2−ua2−va2−w−a2+b2
y=b2−ub2−vb2−w−a2+b2
z=a22+b22−u2−v2−w2
x=uvwab
y=u−b2+v2b2−w2a2−b2b
z=ua2−v2a2−w2a2−b2a
x=ucosv
y=usinv
ellcylindrical (elliptic cylindrical)
x=acoshucosv
y=asinhusinv
y=−b2+u2−b2+v2b2−w2a2−b2b
z=−a2+u2a2−v2a2−w2a2−b2a
hypercylindrical (hyperbolic cylinder)
x=u2+v2+u
y=u2+v2−u
invcasscylindrical (inverse Cassinian-oval cylinder)
x=a2ⅇ2u+2ⅇucosv+1+ⅇucosv+12ⅇ2u+2ⅇucosv+1
y=a2ⅇ2u+2ⅇucosv+1−ⅇucosv−12ⅇ2u+2ⅇucosv+1
invellcylindrical (inverse elliptic cylinder)
x=acoshucosvcoshu2−sinv2
y=asinhusinvcoshu2−sinv2
invoblspheroidal (inverse oblate spheroidal)
x=acoshusinvcoswcoshu2−cosv2
y=acoshusinvsinwcoshu2−cosv2
z=asinhucosvcoshu2−cosv2
invprospheroidal (inverse prolate spheroidal)
x=asinhusinvcoswcoshu2−sinv2
y=asinhusinvsinwcoshu2−sinv2
z=acoshucosvcoshu2−sinv2
logcylindrical (logarithmic cylinder)
x=alnu2+v2π
y=2aarctanvuπ
logcoshcylindrical (ln cosh cylinder)
x=alncoshu2−sinv2π
y=2aarctantanhutanvπ
x=au+1+ⅇucosvπ
y=av+ⅇusinvπ
x=acoshusinvcosw
y=acoshusinvsinw
z=asinhucosv
paraboloidal (Spiegel)
x=uvcosw
y=uvsinw
z=u22−v22
paraboloidal2 (Moon)
x=2u−aa−va−wa−b
y=2u−bb−vb−wa−b
z=u+v+w−a−b
x=u22−v22
y=uv
x=asinhusinvcosw
y=asinhusinvsinw
z=acoshucosv
x=u
y=v
x=u2+v2+uu2+v2
y=u2+v2−uu2+v2
sixsphere (6-sphere)
x=uu2+v2+w2
y=vu2+v2+w2
z=wu2+v2+w2
x=ucosvsinw
y=usinvsinw
z=ucosw
x=uu2+v2
y=vu2+v2
x=ucoswu2+v2
y=usinwu2+v2
z=vu2+v2
x=asinhvcoswd
y=asinhvsinwd
z=asinud where d=coshv−cosu
Instructions: Adjust the sliders to see how the surface depends on each parameter.
Coordinate System:bipolarcylindricalbisphericalcardioidalcardioidcylindricalcasscylindricalconfocalellipconfocalparabconicalcylindricalellcylindricalellipsoidalhypercylindricalinvcasscylindricalinvellcylindricalinvoblspheroidalinvprospheroidallogcoshcylindricallogcylindricalmaxwellcylindricaloblatespheroidalparaboloidalparaboloidal2paracylindricalprolatespheroidalrectangularrosecylindricalsixspheresphericaltangentcylindricaltangentspheretoroidal
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