Is (perpendicular) projection from R3 to the xz-plane a homomorphism? Projection to the yz-plane? To the x-axis?

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Is (perpendicular) projection from R3 to the xz-plane a homomorphism? Projection to the yz-plane? To the x-axis? The y-axis? The z-axis? Projection to the origin?
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Linear Algebra

ISBN: 9780982406212

1st Edition

Authors: Jim Hefferon

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