Calculus Volume 3 · 免费预览

柱坐标与球坐标

柱坐标把极坐标推广到三维空间并加上高度,球坐标则使用径向距离和两个角;每种坐标系统都能简化对称区域上的三重积分。

1. Cylindrical coordinates

Cylindrical coordinates

2. Spherical coordinates

Spherical coordinates

3. Choosing the system

Choosing the system

4. The Jacobian preview

The Jacobian preview

5. Cylindrical definition

Cylindrical coordinates are which combination?

6. Spherical phi meaning

In spherical coordinates, the angle phi measures what?

7. Volume element Jacobian

The spherical volume element is which expression?

8. Conversion example

The point (1, 1, 0) in Cartesian has cylindrical coordinates which triple?

9. When spherical wins

A triple integral over a solid ball is simplest in which coordinate system?

10. Cylinder surface constant

In cylindrical coordinates, the surface r = 2 is which solid's boundary? Answer with one word.

11. Rho constant surface

In spherical coordinates, the surface rho = 3 is a sphere. As a single word, what surface? Answer with one word.

12. Phi constant surface

The surface phi = pi/4 is a cone about the z axis. As a single word, what surface? Answer with one word.

13. Theta range uniqueness

The spherical and cylindrical systems share the azimuthal angle theta. Over what range does a full turn run? Answer like 0 to 2 pi.

14. Z conversion cylindrical

Cylindrical coordinates leave which coordinate unchanged from Cartesian? Answer with one lowercase letter.

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