starstart

3 ms·

1. 1.▲
   by starstart 13y ago

   Suppose that you are driving a car and you are hit with a big tree. The main eigenvector is in the direction from the car to the tree, the eigenvalue measures the deformation of the car produced by this accident. If the car is a half short
2. 2.▲
   by starstart 13y ago

   Suppose that you want to project a vector of data (x1,x2,x3,...,xn) into the one dimensional subspace generated by the vector (1,1,...,1). What's the projection in this case? Hint: You obtain the most important concept of statistics.
3. 3.▲
   by starstart 13y ago

   In page 3, section B. Using elementary matrices: To remember what matrix correspond to a row operation just apply that operation to the identity matrix and you obtain the elementary associated matrix.