Matrix Addition
Denote the sum of two Matrices 
and 
(of the same dimensions) by 
. The sum is definedby adding entries with the same indices
over all
and 
. For example,
Matrix addition is therefore both Commutative and Associative.See also Matrix, Matrix Multiplication
- Rank (Group)
- Rank (Quadratic Form)
- Rank (Sequence)
- Rank (Statistics)
- Rank (Tensor)
- Ranunculoid
- RAT-Free Set
- Ratio
- Ratio Distribution
- Rational Approximation
- Rational Canonical Form
- Rational Cuboid
- Rational Distances
- Rational Domain
- Rational Double Point
- Rational Function
- Rational Integer
- Rational Number
- Rational Point
- Rational Quadrilateral
- Rational Triangle
- Ratio Test
- RATS Sequence
- Ray
- Rayleigh Differential Equation