Recent content by mddoyle

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    Project R4x1 onto R along N: Find Rule

    Homework Statement Let R={[x,y,z,w]:x=y and z=w} and N={[x,y,z,w]:x=-y and z=-w} Find the rule in standard coordinates for the projection of R4x1 onto R along NHomework Equations The Attempt at a Solution I have B wrt R as {[1,1,0,0],[0,0,1,1]} and B wrt N as {[1,-1,0,0], [0,0,1,-1]}, so my...