AB:Taille de AB
invcoeff:Inversibilit et coefficients
invertib:Inversibilit
matop:Oprations de matrices
multiplicab:Multiplicabilit
multone4x4:Mult-un 4x4
multpart3x3:Multiplication partielle 3x3
multpart4x4:Multiplication partielle 4x4
propalg:Proprits algbriques
propalg2:Proprits algbriques II
propmult:Proprits de multiplication
trace2x2:Trace 2x2
trace3x3:Trace 3x3
trace4x4:Trace 4x4
trianginv3x3:Inversibilit triangulaire 3x3
