### Related

? dpart;

Calculate

##### dpart-part

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

Calculate

? dpart;

Calculate

##### dpart-part

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

Calculate

### dpart

Run Example
(%i1)title(exp):=disp(dpart(exp));
(%o1)                   title(exp) := disp(dpart(exp))
(%i2) (title("a classical textbook example of differentiation"));
"""""""""""""""""""""""""""""""""""""""""""""""""
"a classical textbook example of differentiation"
"""""""""""""""""""""""""""""""""""""""""""""""""

(%o2)                                done
(%i3) x^x^x;
x
x
(%o3)                                 x
(%i4) diff(%,x);
(%o4)                                  0
(%i5) (title("differentiation of a nested function"));
""""""""""""""""""""""""""""""""""""""
"differentiation of a nested function"
""""""""""""""""""""""""""""""""""""""

(%o5)                                done
(%i6) erf(tan(acos(log(x))));
2
sqrt(1 - log (x))
(%o6)                       erf(-----------------)
log(x)
(%i7) diff(%,x);
(%o7)                                  0
(%i8) title("expanding and factorizing a univariate polynomial");
"""""""""""""""""""""""""""""""""""""""""""""""""""
"expanding and factorizing a univariate polynomial"
"""""""""""""""""""""""""""""""""""""""""""""""""""

(%o8)                                done
(%i9) (x-1)*(2*x-1)*(3*x-1)^7;
7
(%o9)                    (x - 1) (2 x - 1) (3 x - 1)
(%i10) expand(%);
(%o10)            (%i11) factor(%);
(%o11)            (%i12) 
Run Example
title(exp):=disp(dpart(exp));
(%o1)                   title(exp) := disp(dpart(exp))
(%i2) (title("a classical textbook example of differentiation"));
"""""""""""""""""""""""""""""""""""""""""""""""""
"a classical textbook example of differentiation"
"""""""""""""""""""""""""""""""""""""""""""""""""

(%o2)                                done
(%i3) x^x^x;
x
x
(%o3)                                 x
(%i4) diff(%,x);
(%o4)                                  0
(%i5) tex(%%);
$${\it \%\%}$$
(%o5)                                false
(%i6) 
Run Example
title(exp):=disp(dpart(exp));
(%o1)                   title(exp) := disp(dpart(exp))
(%i2) (title("a classical textbook example of differentiation"));
"""""""""""""""""""""""""""""""""""""""""""""""""
"a classical textbook example of differentiation"
"""""""""""""""""""""""""""""""""""""""""""""""""

(%o2)                                done
(%i3) x^x^x;
x
x
(%o3)                                 x
(%i4) diff(%,x);
(%o4)                                  0
(%i5) tex(%);
\mbox{{}(%o5)                                false
(%i6) 

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