pencil
- companion — companion matrix
- ereduc — computes matrix column echelon form by qz transformations
- fstair — computes pencil column echelon form by qz transformations
- glever — inverse of matrix pencil
- kroneck — Kronecker form of matrix pencil
- lyap — Lyapunov equation
- pen2ea — преобразование пучка матриц в E, A
- pencan — canonical form of matrix pencil
- penlaur — Laurent coefficients of matrix pencil
- quaskro — quasi-Kronecker form
- randpencil — random pencil
- rowshuff — shuffle algorithm