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Mar
30
comment List within a Do loop , i cant get any values
@Kay It's "fastest edit" game, so... I'm winning. :)
Mar
14
comment How to estimate the running time of a programme on mathematica
Show us the equations. There is no general possible solution on runtime estimates without the actual code and equations.
Mar
6
comment Express roots of quadratic equation in a specific form
Why you mean by "the form"? Equal sign? Or what?
Mar
6
comment Express roots of quadratic equation in a specific form
You want a solution in TeX?
Feb
22
comment RLink: Cannot get Mathematica and R to look at the same workspace
You can't use RHomeLocation with Linux Mathematica distribution.
Feb
22
comment How to increase the evaluation speed of this somewhat complicated table / matrix operation?
@J.M. I have tried it, but no performance improvements, timing is the same for me (in Mathematica 10.3).
Jan
5
comment How to increase the evaluation speed of this somewhat complicated table / matrix operation?
@StevenR Than you still can utilize the Dot with a simple Map on it. On random matrix-vector I have 70000 speed up. Try this code on your data and let us know.
Oct
6
comment System cannot be solved with methods available
You can try plotting the equation and find an approximate solution with FindRoot.
Sep
20
comment Relative Path in Mathematica
You missed the part of an answer, it should be: SetDirectory[NotebookDirectory[]].
Jun
10
comment Numerical solutions of Gross-Pitaevskii equation
If you have a question on how to select a proper initial and boundary conditions, then it's better be asked on Physics(physics.stackexchange.com).
Jun
6
comment SameQ for unsorted lists
You can try to use Complement, but I'm not sure if it would be faster (and check if it's empty).
Jun
6
comment SameQ for unsorted lists
I don't think there is a faster way (in terms of $O$). You can have some heuristics, but otherwise you won't have faster code than $O(n \log n)$.
May
24
comment nonlinear differential equation
Can you show the output? It produces a straight zero line for me.
May
23
comment How can I plot the complex formula as follow?
@Erergo it's not good for someone to retype that kind of equation. Copy a text. Also, from what I've see, you have a miniscule i, and in Mathematica imaginary unit is a capital I.
May
23
comment How can I plot the complex formula as follow?
possible duplicate of Plotting Complex Quantity Functions
May
23
comment How can I plot the complex formula as follow?
Is it supposed that people willing to help will rewrite the formula from an image?
May
6
comment simple dynamical system with disturbance
@Sam I have extended with plots of displacement for over-, under- and critical dumping.
Apr
25
comment How to invert the default order of polynomial?
So, can you share more about the use case.
Apr
25
comment How to invert the default order of polynomial?
You could use TraditionalForm for this.
Apr
22
comment Something like MATLAB Cody for Mathematica? (Learning through exercises.)
@Phab Actually, it's like ProjectEuler, but only Mathematica allowed and checked.