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2d
revised Need help with the Lagrange multiplier method
edited title
2d
revised Need help with the Lagrange multiplier method
edited tags
2d
revised Need help with the Lagrange multiplier method
Routine clean-up
2d
revised Sum broken into two sub-sums according to a condition on the terms
Made English more idiomatic
2d
comment Sum broken into two sub-sums according to a condition on the terms
This isn't different enough from your solution to post as a separate answer, but I want to record it because it incorporates language closer to what I think is the OP's concept of the problem. Total /@ KeyMap[If[#, "exact-root-sum", "inexact-root-sum"] &, 1.0/GroupBy[Array[Sqrt, 2003], ExactNumberQ]] which produces <|"exact-root-sum" -> 4.37273, "inexact-root-sum" -> 83.6879|>
2d
comment Error message: ArcTan called with 0 arguments; 1 or 2 arguments are expected
I'm voting to close this question as off-topic because the problem the user claims to be experiencing can not be reproduced.
Jul
1
revised How to tell Mathematica that a limit converges to a product of two variables
Routine clean-up
Jul
1
comment Custom Head for Encapsulation
You might find some of answers to [this question[(mathematica.stackexchange.com/q/990/3066) of interest, although I think the addition of Association in V10 makes some the answers obsolescent.
Jul
1
reviewed Leave Open Change only tick labels while keeping default ticks
Jul
1
comment Custom Head for Encapsulation
Suggest you look at Association
Jul
1
revised Change only tick labels while keeping default ticks
deleted 32 characters in body
Jul
1
revised Change only tick labels while keeping default ticks
Routine clean-up
Jul
1
answered Change only tick labels while keeping default ticks
Jul
1
revised Find the area of a contour surface plotted by ContourPlot3D
Routine clean-up
Jul
1
revised What options need to be set for Simplify to perform a certain manipulations similar to FullSimplify?
corrected typo
Jun
30
comment How to efficiently compile this function? It involves a 3-index Table
I'm voting to close this question as off-topic because it is too localized; i.e, it applies only to the local situation and needs of its poster and answers will not benefit others.
Jun
30
revised Plotting complicated function with not exactly defined angle
deleted 12 characters in body
Jun
30
revised Customized FortranForm output
Routine clean-up
Jun
30
answered How to get Complement function working in a For loop?
Jun
30
revised Does a matrix need to be rationalized when calculating MatrixExp?
Routine clean-up