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4 votes
Accepted

Break summation of terms in summations of each term

Use Distribute, optionally with Expand. ...
Domen's user avatar
  • 27.3k
4 votes

How to extract coefficients and powers from expressions with non integer powers?

expr = 3 - 2 x + 7 x^2.1 + x^2.4 - 5 x^3; Using ReplaceAll ...
eldo's user avatar
  • 77.9k
2 votes

Computing the sum of the first row of a matrix

d = GraphDistanceMatrix[CirculantGraph[4^3, {1, 2, 4, 6, 8}]]; Using Query ...
eldo's user avatar
  • 77.9k
2 votes
Accepted

Breaking multiple summations of terms in single term summations

Use a set of replacement rules implementing some simplification rules: ...
march's user avatar
  • 23.9k
2 votes

Breaking multiple summations of terms in single term summations

One way ...
Nasser's user avatar
  • 146k
1 vote

Why does my list of positions contain a leading and following element not in the original list?

list = {27, 43.91, 56, 37, 40.5, 39, 36, "pp"}; Using SubsetPosition (new in 12.1) ...
eldo's user avatar
  • 77.9k

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