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dpart-part

dpart (x+y/z^2, 1, 2,...

Calculate

dpart-part

dpart (x+y/z^2, 1, 2,...

Calculate

dpart

Run Example
(%i1)dpart (x+y/z^2, 1, 2, 1);
                                    y
(%o1)                              ---- + x
                                      2
                                   """
                                   "z"
                                   """
(%i2) 
Run Example
title(exp):=disp(dpart(exp));
(%o1)                   title(exp) := disp(dpart(exp))
(%i2)  title("3-Phases, Why ?");
                               """""""""""""""""
                               "3-Phases, Why ?"
                               """""""""""""""""

(%o2)                                done
(%i3) ua:sin(x);
(%o3)                               sin(x)
(%i4) ub:sin(x+(2/3)*%pi);
                                        2 %pi
(%o4)                           sin(x + -----)
                                          3
(%i5) uc:sin(x-(2/3)*%pi);
                                        2 %pi
(%o5)                           sin(x - -----)
                                          3
(%i6) (Ra: 2, Rb: 2, Rc: 2);
(%o6)                                  2
(%i7) (ia: ua/Ra, ib: ub/Rb, ic: uc/Rc);
                                        2 %pi
                                sin(x - -----)
                                          3
(%o7)                           --------------
                                      2
(%i8) (pa: ua*ia, pb: ub*ib, pc: uc*ic, p3: pa+pb+pc);
                     2     2 %pi       2     2 %pi
                  sin (x + -----)   sin (x - -----)      2
                             3                 3      sin (x)
(%o8)             --------------- + --------------- + -------
                         2                 2             2
(%i9) /* [wxMaxima: input   end */plot2d([ua,ub,uc,ua-ub,ua-uc,ub-uc], [x,0,4*%pi], [y,-3,3]);
(%o9) 
(%i10) 
Run Example
title(exp):=disp(dpart(exp));
(%o1)                   title(exp) := disp(dpart(exp))
(%i2)  title("3-Phases, Why ?");
                               """""""""""""""""
                               "3-Phases, Why ?"
                               """""""""""""""""

(%o2)                                done
(%i3) ua:sin(x);
(%o3)                               sin(x)
(%i4) ub:sin(x+(2/3)*%pi);
                                        2 %pi
(%o4)                           sin(x + -----)
                                          3
(%i5) uc:sin(x-(2/3)*%pi);
                                        2 %pi
(%o5)                           sin(x - -----)
                                          3
(%i6) (Ra: 2, Rb: 2, Rc: 2);
(%o6)                                  2
(%i7) (ia: ua/Ra, ib: ub/Rb, ic: uc/Rc);
                                        2 %pi
                                sin(x - -----)
                                          3
(%o7)                           --------------
                                      2
(%i8) (pa: ua*ia, pb: ub*ib, pc: uc*ic, p3: pa+pb+pc);
                     2     2 %pi       2     2 %pi
                  sin (x + -----)   sin (x - -----)      2
                             3                 3      sin (x)
(%o8)             --------------- + --------------- + -------
                         2                 2             2
(%i9) /* [wxMaxima: input   end   ] *//* [wxMaxima: input   start ] *//*plot 1 fase vermogen */title("Single phase: Voltage, Current & Power");
                   """"""""""""""""""""""""""""""""""""""""
                   "Single phase: Voltage, Current & Power"
                   """"""""""""""""""""""""""""""""""""""""

(%o9)                                done
(%i10) plot2d([ua,ia,pa],[x,0,4*%pi] ,[legend,"ua","ia","pa"] );
plotplot2d([ua,ia,pa],[x,0,4*%pi] ,[legend,"ua","ia","pa"] );/* [wxMaxima: input   end   ] */plot2d([ua,ia,pa],[x,0,4*%pi] ,[legend,"ua","ia","pa"] );
(%o11) 
(%i12) 

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