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TraceForward

TraceForward
is an option for Trace and related functions which specifies whether to include later expressions on the evaluation chain that contains the pattern form sought.

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TraceForward->True includes the final expression on the evaluation chain that contains form.

TraceForward->All includes all expressions after form on the evaluation chain that contains form.

TraceForward allows you to see the transformations performed on an expression generated during an evaluation.

EXAMPLES

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Basic Examples (1)

A recursive definition for finding Fibonacci numbers:

In[1]:=

Show only what evaluations of fib are encountered:

In[2]:=

Out[2]=

Show only the evaluations of fib and the results:

In[3]:=

Out[3]=

Show all intermediate evaluations between calls of fib and the result:

In[4]:=

Out[4]=