# Recent content by kvd

1. ### 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. ### Simple regression question

I have found the solution, with help from the website . I have tested this regression model to find best estimates for β, compared these with crudely measured values for β. These fit very good. Also entered the estimates for β in the model equations to compare the measured values to the...
3. ### Simple regression question

All the measured values values are encapsulated in y. So the epsilon terms are measured values as well. I just brought them to the y to make the equation simpler. X is part of the model, and β is the unknown. For β I want to calculate a best fit.
4. ### Simple regression question

No, there is no intercept. The actual, complete model is in the attached image. The values to be calculated are the VLO and VRF values. The measured values are the S, IDSS and VP values. I feel like I am making a very stupid mistake, or that the solution may be very simple....
5. ### 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...