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hw1.md 426B
hw1.md 426B
Innlevering 1
Del 1
A) M = \mmatrix{
0.8 && 0 && 0 \\
0 && 1.2 && 1.0 \\
0 && 0 && 1.0
}
B)
det(M - \lambda I\sub{3}) = 0;
det $\left ( \mmatrix{
0.8 && 0 && 0 \\
0 && 1.2 && 1.0 \\
0 && 0 && 1.0
} - \mmatrix{
\lambda && 0 && 0 \\
0 && \lambda && 1.0 \\
9 && 0 && \lambda
} \right )$ = 0
det $\left ( \mmatrix{
0.8 - \lambda && 0 && 0 \\
1.2 - \lambda && 1.0 \\
0 && 0 && 1.0 - \lambda
} \right )$
C)