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anonymous
 5 years ago
Anyone studying matrices here? Is Q inverse orthogonal when Q is orthogonal?
anonymous
 5 years ago
Anyone studying matrices here? Is Q inverse orthogonal when Q is orthogonal?

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dumbcow
 5 years ago
Best ResponseYou've already chosen the best response.0For Q to be orthogonal its inverse equals Q transpose. So for Q inverse to be orthogonal Q transposed must be orthogonal and based on the criteria for a matrix to be orthogonal i think this only occurs when all elements in the matrix are the same. course i only looked at the 2X2 case but i assume it would hold for all cases hope that made sense

dumbcow
 5 years ago
Best ResponseYou've already chosen the best response.0im not an expert on matrices so you might want a second opinion

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0If something is Ortogonal, well then if u take the dot product of them, you will get=0
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