step function
where the Ik are bounded intervals. This step function can then be assigned (in a well-defined manner) the integral
where l(I) denotes the length of the interval I. Consequently step functions are a natural starting point for theorems of integration.
- right angle
- right-angled triangle
- right-circular
- right derivative
- right-handed system
- right inverse
- right-regular
- rigid body
- rigid motion
- ring
- ring of integers
- rise
- risk
- Rn
- Robin boundary condition
- Robinson, Julia (Hall Bowman)
- robust
- rod
- Rodrigues' formula
- Rolle, Michel
- Rolle's Theorem
- rolling condition
- Roman numeral
- root
- root