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Linear Transformations as Change of Basis





                                                    v =(v ,v )                                                     j =(0,1)
                                                              x
                                                                    y





                                                                  p  uv                                                                  p  ij








                                                                       u=(u ,u )
                                                                                 x
                                                                                      y
                                                                                                                                          i =(1,0)


                                                                                                               ij
                                                     uv
                                                  p = (4,3)                                                 p  = 4u+3v


                                           p =4u +3v             x                   ij =    u   x       v  x         4  =  u   x        v x       uv
                                                        x
                                              x
                                           p =4u +3v             y               p            u  y       v  y     3          u   y      v  y   p
                                                                                                                        
                                                                                                                   
                                                                                                                                
                                                                                                                                                   
                                                                                             
                                              y
                                                        y

                                    Any linear transformation is a basis!!!
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