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4 cards from this section. Quick, good the night before a test.
Define orthogonal vectors.
Think about their geometric representation.
What condition must be met for vectors to be orthonormal?
Recall the definition of unit length.
What does it mean for two vectors to be orthogonal?
Think about how two vectors' directions relate in space.
True or False: All orthonormal vectors are orthogonal.
Recall the definition of orthonormal sets.
Given vectors A = (2, 3, 6) and B = (1, -1, 2), are they orthogonal? Verify your answer.
Remember to calculate the dot product correctly.
Find a new orthonormal basis for the vectors in R² given by (4, 3) and (1, 1) using the Gram-Schmidt process.
Follow the Gram-Schmidt steps methodically.
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