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Dt
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NonConstants

NonConstants
is an option for D which gives a list of objects to be taken to depend implicitly on the differentiation variables.
  • If c does not appear in the list of NonConstants, then D is taken to be unless c and x are identical expressions.
Here c is treated as a constant under differentiation:
Specify that c depends implicitly on x:
Specify that both c and d depend implicitly on x:
Here c is treated as a constant under differentiation:
In[1]:=
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Out[1]=
Specify that c depends implicitly on x:
In[2]:=
Click for copyable input
Out[2]=
Specify that both c and d depend implicitly on x:
In[3]:=
Click for copyable input
Out[3]=
NonConstants allows D to emulate Dt:
Constants allows Dt to emulate D:
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