Hi

im having trouble understanding how to find a standard matrix

for example let G :R^2 - R^2 be an orthogonal projection onto the line y=2x

and the standard matrix they got was

|1/5 2/5|

|2/5 4/5|

do you know how they got this?

thanks

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- Sep 27th 2009, 08:22 PMb0mb3rzstandard matrix problem
Hi

im having trouble understanding how to find a standard matrix

for example let G :R^2 - R^2 be an orthogonal projection onto the line y=2x

and the standard matrix they got was

|1/5 2/5|

|2/5 4/5|

do you know how they got this?

thanks