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Let <m>\vec{x}</m> be represented by the red arrow, and <m>A\vec{x}</m> by the grey arrow, for some particular <m>2\times 2</m> matrix <m>A</m>. Drag the <em>tip</em> of the red arrow to see the grey arrow change.
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Instructions.
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Let \(\vec{x}\) be represented by the red arrow, and \(A\vec{x}\) by the grey arrow, for some particular \(2\times 2\) matrix \(A\text{.}\) Drag the tip of the red arrow to see the grey arrow change.