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Use of Literal

  • Subject: Use of Literal
  • From: uunet!sun.acs.udel.edu!jack
  • Date: Tue, 6 Mar 90 14:59:06 EST
  • Apparently-to: mathgroup-send at yoda.ncsa.uiuc.edu

I want to define a function of Mathematica built-in function.  I can do this
but to evaluate it seems a little awkward.  I must be doing something wrong!?

In[1]:= f[Literal[Integrate[g_,x_]]]:=Integrate[g,x] + Sin[x]

In[2]:= f[Integrate[q[t],t]]

Out[2]= Integrate[q[t], t] + Sin[t]

In[3]:= %/.q[t]->t^3

         4
        t
Out[3]= -- + Sin[t]
        4

In[4]:= "However................"

In[5]:= r[t]:=t^3

In[6]:= f[Integrate[r[t],t]]

           4
          t
Out[6]= f[--]
          4

In[7]:= "or....";

In[8]:= r[t_]:=t^3

In[9]:= f[Integrate[r[t],t]]

           4
          t
Out[9]= f[--]



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