# matrix that projects onto a line through vector

Find the projection matrix P_1 onto the line....

through a=(1,3) and also the matrix P_2 that projects onto the line perpendicular to a. **The line perpendicular to a is given by the vector b=(-3,1)**

Compute P_1+P_2 and P_1 P_2 and explain in geometric terms

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#### Solution Summary

This solution finds a matrix that projects onto a line through vectors.

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