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

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: .
, .

Size ABA

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?

Size ABC

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Invertibility and coefficients

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, .

Invertibility

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, .
.

Matrix operations

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Multiplicability

. ?
, .

Mult-one 4x4

?

Partial multiplication 3x3

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Partial multiplication 4x4

.

Algebraic properties

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Algebraic properties II

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Properties of multiplication

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, .
.

Trace 2x2

?

Trace 3x3

?

Trace 4x4

?

Triangular invertibility 3x3

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