MathAlgebraLinear algebraLinear operators

Actions with linear operators

Multiplying the operator by a number

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You're working with the following matrix:

A=\begin{pmatrix} 2 & 1 \\ 4 & -3 \end{pmatrix}

As you know, it generates a linear operator $L_A \in L(\mathbb{R}^2)$ given by $L_A(v) = A \, v$

Compute the value of the operator $-3 L_A$ in the vector $(1,1)$ and write the sum of its entries.

Enter a number

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