Questions tagged [semantic-matching]
Posts about semantic pattern matching rather than syntactic pattern matching (which is the built-in pattern matcher of Mathematica) e.g. "Why x^3 /. x^2->a doesn't work!"
4 questions
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votes
4
answers
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Can I simplify an expression into form which uses my own definitions?
This seems like a simple thing to do, but I couldn't find anything relevant from Mathematica documentation.
So suppose I have an expression:
a*b/(a + a*Cos[a/b])
...
- 981
4
votes
4
answers
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How to apply ReplaceAll to denominator?
Here is the simple task. In reality, it's far more complicated, but it comes down to this.
I want to take the expression $\frac{y}{x^2}$ and replace $x^2$ with $k$. This doesn't work:
...
- 133
3
votes
1
answer
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ReplaceAll with Powers [duplicate]
If I run the following code:
a^2/b^2 /. {a/b -> c}
I'm getting output:
a^2/b^2
How can I obtain ...
- 33
0
votes
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answer
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Using Semantic Import to do an Excel-like VLookUp using Mathematica
I'm following an example provided in the following
Stack Exchange Link
but, using a different approach. My data is contained in an Excel workbook called "Input Workbook.xlsx"
as shown here:
I ...
