Tagged Questions
9
votes
3answers
365 views
Improve speed for calculating a recursive sequence
I want to calculate following recursive sequence:
$\alpha_{0}=0,\\
\cos(\alpha_{i})=\cos(\alpha_{i-1})\cdot\cos(\beta_{i})+\sin(\alpha_{i-1})\cdot\sin(\beta_{i})\cdot\cos(\gamma_{i}).$
In ...
17
votes
2answers
312 views
Parallelize evaluation of function with memoization
I have a complicated function that I need multiple times, so I want to memoize it and have the first evaluation done in parallel. Unlike in my example below it's not a continuous function, so ...
11
votes
3answers
219 views
Memoization of Rounded inputs
Memoization is a technique for improving performance by having a function remember its previous arguments. For example,
f[x_]:=f[x]=mySlowFunction[x]
will be ...