
Student Support Forum: 'b=a+1, c=b+1, d=c+1... x=?' topicStudent Support Forum > General > "b=a+1, c=b+1, d=c+1... x=?"
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Comment/Response |
jf
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01/01/13 3:55pm
In[2]:= y[0] = 4;
y[n_Integer?Positive] := y[n - 1] + 1;
In[4]:= y[4]
Out[4]= 8
You could probably get away with
y[n_] := y[n - 1] + 1;
for the recursive definition, but the extra will prevent an infinite recursion in case an invalid argument is given.
http://reference.wolfram.com/mathematica/tutorial/PuttingConstraintsOnPatterns.html
URL: http://reference.wolfram.com/mathematica/tutorial/MakingDefinitionsForFunctions.html, |
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Subject (listing for 'b=a+1, c=b+1, d=c+1... x=?')
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Author |
Date Posted
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 b=a+1, c=b+1, d=c+1... x=? |
Humperdinck ... |
12/31/12 10:03pm |
 Re: b=a+1, c=b+1, d=c+1... x=? |
Steve Keeley |
01/01/13 3:47pm |
 Re: b=a+1, c=b+1, d=c+1... x=? |
jf |
01/01/13 3:55pm |
 Re: b=a+1, c=b+1, d=c+1... x=? |
Bill Simpson |
01/01/13 6:58pm |
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