ellipsoid

The three axial planes are planes of symmetry. All non‐empty plane sections of the ellipsoid are ellipses.

An ellipsoid in normal form

• characteristic function
• characteristic function
• characteristic of a field
• characteristic polynomial
• characteristic value
• characteristic vector
• character table
• chart
• chart
• Chebyshev, Pafnuty Lvovich
• Chebyshev polynomials
• Chebyshev's inequality
• Chebyshev's Theorem
• check digit
• Chen's theorem
• Chinese postman problem
• Chinese remainder theorem
• chirality
• chi-squared contingency table test
• chi-squared distribution
• chi-squared test
• Cholesky's decomposition
• chord
• Christoffel symbol
• chromatic number