Quizz Matrices
 Introduction 
This module contains 17 training exercises on basic notions of
matrices: multiplication, inverse, trace, rank. See
Quizz determinant for similar exercises on the determinant.
Students may use them as a training tool for a better memorization of the lesson,
while teachers may put them into a work sheet with activated time limit, so that
proficiency can be tested.
Size of AB
.
:
.
,
.
Size ABA
?
?
Size ABC
?
.
Invertibility and coefficients
. ? , .
Invertibility
. ? , .
.
Matrix operations
.
Multiplicability
. ? , .
Multone 4x4
?
Partial multiplication 3x3
.
Partial multiplication 4x4
.
Algebraic properties
, ? 



Algebraic properties II
. ?
(
.)
Properties of multiplication
. ? , .
.
Trace 2x2
?
Trace 3x3
?
Trace 4x4
?
Triangular invertibility 3x3
The most recent version
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 Description: elementary questions on matrices. interactive exercises, online calculators and plotters, mathematical recreation and games
 Keywords: interactive mathematics, interactive math, server side interactivity, algebra, linear_algebra, matrix, rank,quizz