CALCULUS Understanding Its Concepts and Methods
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The vector projection of onto is obtained by dropping a perpendicular from the point to the line through the origin and the point . The result is the vector having magnitude and direction the same as or opposite from , depending on whether the scalar is positive or negative.
The scalar projection of onto is the scalar obtained by dropping a perpendicular from onto . The scalar is the magnitude of the projection of onto .
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Distance from point to line
Copyright © 2006 Darel Hardy, Fred Richman, Carol Walker, Robert Wisner. All rights reserved. Except upon the express prior permission in writing, from the authors, no part of this work may be reproduced, transcribed, stored electronically, or transmitted in any form by any method.