New answers tagged expression-manipulation
0
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Replacement of a variable only for a part of an expression
You may either use ReplacePart (close to what @Alrubaie proposed)
expr = a^2 + f[a];
ReplacePart[expr, 2 -> f[c]]
(* a^2 + f[c] *)
or map the replacement ...
- 35.1k
0
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Replacement of a variable only for a part of an expression
You just need ReplacePart
Where ReplacePart[Function/Expression , Location which part to replace]
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- 1,018
4
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Accepted
A complicated derivative problem
You have a precedence problem.
Look at "tutorial/OperatorInputForms" in the help. You will find that "/." has a higher precedence than "//". Therefore, what you evaluate ...
- 24.9k
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3
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Accepted
CellObject[Number] to its content
NotebookRead gives the cell expression (see the first example in the docs for CellObject); ...
- 216k
2
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Parsing an expression for coefficients and more
Another way, as the comment @Henrik Schumacher said:
...
- 6,817
2
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4
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Accepted
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