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Questions about the properties of vector spaces and linear transformations, including linear systems in general.

-3 votes
1 answer
2k views

Eliminating redundant linear constraints? [closed]

I have an NxN matrix of linear constraints that is not of full rank. In other words, some of the constraints are linear combinations of other constraints. The "standard" linear algebra tools (determ …
dsimcha's user avatar
  • 159
6 votes
4 answers
16k views

Linear Regression Coefficients W/ X, Y swapped

Let's say I have a linear regression model of the form $ y = B_x x + I_x + \epsilon $, where $B_x$ is the beta coefficient of the $x$ term, $I_x$ is the intercept term and $\epsilon$ is additive, norm …
dsimcha's user avatar
  • 159