3
$\begingroup$

Suppose we have two expressions and == between them. I want to simplify only the right-hand side. What should I do?

$\endgroup$
4
  • $\begingroup$ Also, #[[1]] == Simplify[#[[2]]] &@equation or ReplacePart[equation, 2 -> Simplify[equation[[2]]]] $\endgroup$
    – Bob Hanlon
    Nov 26 '21 at 12:39
  • $\begingroup$ Alternative: Simplify[equation[[2] ] $\endgroup$ Nov 26 '21 at 12:39
  • $\begingroup$ @UlrichNeumann did not you forget a brace? $\endgroup$
    – Anixx
    Nov 26 '21 at 14:31
  • $\begingroup$ @Anixx: Yes, Simplify[equation[[2]] ] $\endgroup$ Nov 26 '21 at 14:46
9
$\begingroup$
equation = y + z  == D[Integrate[1/(x^3 + 1), x], x] 

enter image description here

You can use MapAt:

MapAt[Simplify, equation, {2}]

enter image description here

$\endgroup$

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Not the answer you're looking for? Browse other questions tagged or ask your own question.