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comment Can I code a conditional jump in a .nb?
To put it clearer. Perhaps (almost surely) it can be done in some twisted way. But it is very, very far from the recommended Mathematica programming practices. If you care to explain your case someone will show you a much better alternative.
2h
revised Nested list from a flat folder list
deleted 3 characters in body
4h
revised Nested list from a flat folder list
deleted 123 characters in body
5h
comment Changing notations for probability moments with subscripts
strongly related. Point 2.
5h
comment Define function of two variable like a vector
phi[u_, v_] := { ... , ... , ...}
5h
comment How to detect loops in a vector field?
@MichaelE2 Thanks a lot, added
5h
revised How to detect loops in a vector field?
added 90 characters in body
11h
revised What are the most common pitfalls awaiting new users?
larger font for THOSE common errors
12h
comment Range of summation in simple Plot seems off
@daniel No problem. Glad to see you got a very nice answer!
12h
comment Determining the default Method used in optimization and root-finding algorithms
FindMinimum is quite obscure ...
12h
comment Numeric error in trivial compilation
@blochwave That's compile-golf
12h
comment FindMaximum failing on a trivial problem
And it's solving this equivalent problem LinearProgramming[-{1, 1}, {{}}, {}, {{-Infinity, 5}, {-Infinity, .5}}, {Integers, Reals}] . Of course it can't switch in the Times case ...
12h
comment FindMaximum failing on a trivial problem
I believe it's switching to LinearProgramming in the Plus case
13h
comment FindMaximum failing on a trivial problem
They are not equivalent. One NMaximize searches for a global maximum
14h
comment Range of summation in simple Plot seems off
@daniel That's why I asked for the book scan. :(
14h
answered How to detect loops in a vector field?
17h
comment memory aid frequently used commands
C'mon, don't be such a sissy. There are only 10^700 commonly used functions, and counting. :D
19h
revised How to let Mathematica ignore complex values in Plot functions?
resized plots
19h
comment How to let Mathematica ignore complex values in Plot functions?
adding all those spurious options and code to a simple question makes it harder to read and understand. Please always try to post minimal examples
19h
comment How to let Mathematica ignore complex values in Plot functions?
p1 = PolarPlot[{2 Cos[t] + Sqrt[2 - 4 Sin[t]^2]}, {t, -Pi, Pi}, RegionFunction -> ((2 - 4 Sin[#1]^2) > 0 &)]