Page 133 - 1300 Math Formulas
P. 133

CHAPTER 6.  VECTORS










                                                                                 =
                                    =
                                                         Figure 81.
                                    =
                                     r
                                             r
                              567.  ï =   λ  ⋅  ì =
                                    =
                                      r
                              568.  λ ì = (  λ  I  I v λ w =
                                                     ) u λ
                                    =
                                      r
                                          r
                              569.  λì  = ì λ =
                                    =
                                                r
                                                     r
                              570.  (  λ  µ ) +  r  =  ì µ ì =
                                                  +
                                           ì λ
                                    =   r       r       r
                              571.  ( λ  µ  ) ì =  ( µ  λ  ) ì = ( )ìλµ  =
                                    =
                                          r
                                                r
                              572.  (  λ  r  î = λ ì λ r
                                            )ì +
                                                 +
                                                     î =
                                    =
                                    =
                                    =
                              6.5 Scalar Product
                                    =
                                                                    r
                                                              r
                              573.  pÅ~ä~ê=mêçÇìÅí=çÑ=sÉÅíçêë=ì =~åÇ î =
                                    r  r   r  r
                                    ì ⋅î  = ì  ⋅ î  ⋅Åçë θ I==
                                                                         r     r
                                    ïÜÉêÉ=θ =áë=íÜÉ=~åÖäÉ=ÄÉíïÉÉå=îÉÅíçêë=ì =~åÇ î K====
                                    =














                                                            123
   128   129   130   131   132   133   134   135   136   137   138