View/Fenster CAS
Eine Matrix A
A:={{1,2,3},{4,5,6},{7,8,9}}
\(\small A \, := \, \left(\begin{array}{rrr}1&2&3\\4&5&6\\7&8&9\\\end{array}\right)\)
B:={A(1), -4 A(1)+A(2) , -7 A(1)+A(3)}
\(\small \left(\begin{array}{rrr}1&2&3\\0&-3&-6\\0&-6&-12\\\end{array}\right)\)
Deine Aufgabe von oben
{{2,-8, -14},{2,-7,-13},{3,-2,-10}}*(-200,-181,-90)
\(\small \left(2308, 2037, 662 \right)\)