3-D Coordinate Systems - Maple Help
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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=a⁢sinh⁡vcosh⁡v−cos⁡u

  

y=a⁢sin⁡ucosh⁡v−cos⁡u

  

z=w

bispherical

  

x=sin⁡u⁢cos⁡wd

  

y=sin⁡u⁢sin⁡wd

  

z=sinh⁡vd  where d=cosh⁡v−cos⁡u

cardioidal

  

x=u⁢v⁢cos⁡wu2+v22

  

y=u⁢v⁢sin⁡wu2+v22

  

z=u2−v22⁢u2+v22

cardioidcylindrical

  

x=u2−v22⁢u2+v22

  

y=u⁢vu2+v22

  

z=w

casscylindrical (Cassinian-oval cylinder)

  

x=a⁢2⁢ⅇ2⁢u+2⁢ⅇu⁢cos⁡v+1+ⅇu⁢cos⁡v+12

  

y=a⁢2⁢ⅇ2⁢u+2⁢ⅇu⁢cos⁡v+1−ⅇu⁢cos⁡v−12

  

z=w

confocalellip (confocal elliptic)

  

x=a2−u⁢a2−v⁢a2−wa2−b2⁢a2−c2

  

y=b2−u⁢b2−v⁢b2−w−a2+b2⁢b2−c2

  

z=c2−u⁢c2−v⁢c2−w−a2+c2⁢−b2+c2

confocalparab (confocal parabolic)

  

x=a2−u⁢a2−v⁢a2−w−a2+b2

  

y=b2−u⁢b2−v⁢b2−w−a2+b2

  

z=a22+b22−u2−v2−w2

conical

  

x=u⁢v⁢wa⁢b

  

y=u⁢−b2+v2⁢b2−w2a2−b2b

  

z=u⁢a2−v2⁢a2−w2a2−b2a

cylindrical

  

x=u⁢cos⁡v

  

y=u⁢sin⁡v

  

z=w

ellcylindrical (elliptic cylindrical)

  

x=a⁢cosh⁡u⁢cos⁡v

  

y=a⁢sinh⁡u⁢sin⁡v

  

z=w

ellipsoidal

  

x=u⁢v⁢wa⁢b

  

y=−b2+u2⁢−b2+v2⁢b2−w2a2−b2b

  

z=−a2+u2⁢a2−v2⁢a2−w2a2−b2a

hypercylindrical (hyperbolic cylinder)

  

x=u2+v2+u

  

y=u2+v2−u

  

z=w

invcasscylindrical (inverse Cassinian-oval cylinder)

  

x=a⁢2⁢ⅇ2⁢u+2⁢ⅇu⁢cos⁡v+1+ⅇu⁢cos⁡v+12⁢ⅇ2⁢u+2⁢ⅇu⁢cos⁡v+1

  

y=a⁢2⁢ⅇ2⁢u+2⁢ⅇu⁢cos⁡v+1−ⅇu⁢cos⁡v−12⁢ⅇ2⁢u+2⁢ⅇu⁢cos⁡v+1

  

z=w

invellcylindrical (inverse elliptic cylinder)

  

x=a⁢cosh⁡u⁢cos⁡vcosh⁡u2−sin⁡v2

  

y=a⁢sinh⁡u⁢sin⁡vcosh⁡u2−sin⁡v2

  

z=w

invoblspheroidal (inverse oblate spheroidal)

  

x=a⁢cosh⁡u⁢sin⁡v⁢cos⁡wcosh⁡u2−cos⁡v2

  

y=a⁢cosh⁡u⁢sin⁡v⁢sin⁡wcosh⁡u2−cos⁡v2

  

z=a⁢sinh⁡u⁢cos⁡vcosh⁡u2−cos⁡v2

invprospheroidal (inverse prolate spheroidal)

  

x=a⁢sinh⁡u⁢sin⁡v⁢cos⁡wcosh⁡u2−sin⁡v2

  

y=a⁢sinh⁡u⁢sin⁡v⁢sin⁡wcosh⁡u2−sin⁡v2

  

z=a⁢cosh⁡u⁢cos⁡vcosh⁡u2−sin⁡v2

logcylindrical (logarithmic cylinder)

  

x=a⁢ln⁡u2+v2π

  

y=2⁢a⁢arctan⁡vuπ

  

z=w

logcoshcylindrical (ln cosh cylinder)

  

x=a⁢ln⁡cosh⁡u2−sin⁡v2π

  

y=2⁢a⁢arctan⁡tanh⁡u⁢tan⁡vπ

  

z=w

maxwellcylindrical

  

x=a⁢u+1+ⅇu⁢cos⁡vπ

  

y=a⁢v+ⅇu⁢sin⁡vπ

  

z=w

oblatespheroidal

  

x=a⁢cosh⁡u⁢sin⁡v⁢cos⁡w

  

y=a⁢cosh⁡u⁢sin⁡v⁢sin⁡w

  

z=a⁢sinh⁡u⁢cos⁡v

paraboloidal (Spiegel)

  

x=u⁢v⁢cos⁡w

  

y=u⁢v⁢sin⁡w

  

z=u22−v22

paraboloidal2 (Moon)

  

x=2⁢u−a⁢a−v⁢a−wa−b

  

y=2⁢u−b⁢b−v⁢b−wa−b

  

z=u+v+w−a−b

paracylindrical

  

x=u22−v22

  

y=u⁢v

  

z=w

prolatespheroidal

  

x=a⁢sinh⁡u⁢sin⁡v⁢cos⁡w

  

y=a⁢sinh⁡u⁢sin⁡v⁢sin⁡w

  

z=a⁢cosh⁡u⁢cos⁡v

rectangular

  

x=u

  

y=v

  

z=w

rosecylindrical

  

x=u2+v2+uu2+v2

  

y=u2+v2−uu2+v2

  

z=w

sixsphere (6-sphere)

  

x=uu2+v2+w2

  

y=vu2+v2+w2

  

z=wu2+v2+w2

spherical

  

x=u⁢cos⁡v⁢sin⁡w

  

y=u⁢sin⁡v⁢sin⁡w

  

z=u⁢cos⁡w

tangentcylindrical

  

x=uu2+v2

  

y=vu2+v2

  

z=w

tangentsphere

  

x=u⁢cos⁡wu2+v2

  

y=u⁢sin⁡wu2+v2

  

z=vu2+v2

toroidal

  

x=a⁢sinh⁡v⁢cos⁡wd

  

y=a⁢sinh⁡v⁢sin⁡wd

  

z=a⁢sin⁡ud  where d=cosh⁡v−cos⁡u

 

Instructions: Adjust the sliders to see how the surface depends on each parameter.

Coordinate System:

 

 

 

 

 

 

 

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