MathAlgebraLinear algebraLinear operators

Actions with linear operators

After one use they lose their effect

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Select the linear operators that are idempotent

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I(v) = v

for all

v

Q(x, y) = (0, y)

P(x, y) = (x, 0)

L_A

with

A = \begin{pmatrix}1 & 3 \\ 0 & -4 \end{pmatrix}

\mathscr{O}(v) = 0

for all

v

T(x, y) = (2x + y, -x)

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