1 year ago
What have you done? What have you tried? Where are you stuck?
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From point 4 to point 1 i stucked no idea
How do you show that a set is an orthonormal basis? What are the necessary and sufficient conditions?
If we have an orthornormal set like the picture , the condition for orthonormal basis are
<ui,uj> = 0 , u~=j
<ui,uj> = 1 , u=j
<,> is an inner product
Sorry i replied by phone