3 ms·
It is a least squares fit of sine waves. (A^T)A = I because sines are orthogonal. Use Euler's eqn to convert e^jw into sin + cos and just work through the alge
by AC_8675309 3y ago
It is a least squares fit of sine waves. (A^T)A = I because sines are orthogonal.
Use Euler's eqn to convert e^jw into sin + cos and just work through the algebra.