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The Maxima on-line user's manual

Algebra Calculator

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Dpart Calculator

Dpart

Function: dpart (<expr>, <n_1>, ..., <n_k>) Selects the same subexpression as part, but instead of just returning that subexpression as its value, it returns the whole expression with the selected subexpression displayed inside a box. The box is actually part of the expression.

title(exp):=disp(dpart(exp));
 title("3-Phases, Why ?");
ua:sin(x);
ub:sin(x+(2/3)*%pi);
uc:sin(x-(2/3)*%pi);
(Ra: 2, Rb: 2, Rc: 2);
(ia: ua/Ra, ib: ub/Rb, ic: uc/Rc);
(pa: ua*ia, pb: ub*ib, pc: uc*ic, p3: pa+pb+pc);
/* [wxMaxima: input   end   ] *//* [wxMaxima: input   start ] *//*plot 1 fase vermogen */title("Single phase: Voltage, Current & Power");
plot2d([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"] );

          (%i1) dpart (x+y/z^2, 1, 2, 1);
                                       y
          (%o1)                       ---- + x
                                         2
                                      """
                                      "z"
                                      """

(%o1)                                true
(%i2) 

Dpart Example

Related Examples

dpart-part

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

Calculate

dpart-part

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

Calculate