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  1. K

    4 equations, best fitting values for three unknowns

    Hi all, I have been using matrix linear regression with much succes on several sets of equations until now. Now however, I have a set of equations which I have not been able to linearise. As such I cannot use the aforementioned method. It is a set of 4 equations, with 3 unknowns (x, y and p)...
  2. K

    Simple regression question

    Hi all, This is my first post on this forum. My area of studies is electronics, and I came across a situation where I have some (6) measured values y, a model, and need to find some (2) values β for a best fit of the model to the measured values. The model can be described as follows: y = β X...