Gaussian Elimination
A method for solving Matrix Equations of the form
 | (1) |
 | (2) |
 | (3) |
 | (4) |
th row for 
, then substitute back into the equation of the 
st row obtain a solutionfor 
, etc., according to the formula | (5) |
- Descartes' Sign Rule
- Descartes Total Angular Defect
- Descriptive Set Theory
- Design
- Design Theory
- de Sluze Conchoid
- de Sluze Pearls
- Desmic Surface
- Destructive Dilemma
- Determinant
- Determinant (Binary Quadratic Form)
- Determinant Expansion by Minors
- Determinant (Knot)
- Determinant Theorem
- Developable Surface
- Deviation
- Devil on Two Sticks
- Devil's Curve
- Devil's Staircase
- Diabolical Cube
- Diabolical Square
- Diabolo
- Diacaustic
- Diagonalization
- Diagonal Matrix