7
votes
Accepted
7
votes
7
votes
How to fit function with data?
NonlinearModelFit default settings work ok with simpler model and thena and b can be derived,...
- 58.7k
4
votes
3
votes
Accepted
Plot solution of an integral with parameter
Using $\frac {d\phi}{dr}$ and Ueff from the paper we have
...
- 41.9k
3
votes
Accepted
Change of variable of a numerically solved integral
Perhaps onedimensional plot is sufficient?
Plot[Int[b], {b, 0, 5}, ColorFunction -> Hue,PlotStyle -> Thickness[Large]]
or using ...
- 49.1k
2
votes
Animating a double spring spherical pendulum
Parameters k1=k2=5 are too small, let take k1=k2=50 then we have
...
- 41.9k
2
votes
Animation of double pendulum with a spring (3DOF)
Here my solution
parameters (changed k !)
m1 = 1; m2 = 1; l1 = 1; l2 = 1; k =100(* 1/10*); g = 9.81;
geometry
...
- 49.1k
1
vote
Accepted
Value of a function over permutations of two lists
You can do the multiplications more efficiently without needing Sum.
...
- 23.7k
1
vote
Sum on a lattice where variables can only take two values (Ising lattice gauge theory)
One option is to specify each node as a pair of integers, {x,y}. You might also consider placing your spins at the nodes rather than on the edges. There will be four spins/plaquette either way, and ...
- 1,061
1
vote
Plot after applying NIntegrate
int is producing seemingly random numbers because AccuracyGoal -> 5, PrecisionGoal -> 4 are too small. Increasing the ...
- 60.7k
Only top scored, non community-wiki answers of a minimum length are eligible