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Mathematik-Online problems:

Problem 21: Products of Matrices

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Given the matrices

$\displaystyle A=(1\quad 2), \quad B=\left(\begin{array}{l} 1 \\ 2 \end{array}\r... ...\quad D= \left( \begin{array}{lll} 2 & 0 & 1 \\ 4 & 1 & 3 \end{array} \right). $

Calculate the following products, as far as they exist.

$\displaystyle AB, \ BA, \ CD, \ DC^{{\operatorname t}}, \ DC, \ D^{{\operatorname t}} C, \ D^{{\operatorname t}} D, \ DD^{{\operatorname t}} $

(Authors: Werner/Höfert)

see also:

[Solutions]
  automatisch erstellt am 14. 10. 2004