You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
23 lines
342 B
Julia
23 lines
342 B
Julia
1 year ago
|
module AdaptStep
|
||
|
|
using LinearAlgebra
|
||
|
|
|
||
|
|
export adapt_step
|
||
|
|
|
||
|
|
# Adaptive step size
|
||
|
|
function adapt_step(x, x_old, step, m)
|
||
|
|
Δ = LinearAlgebra.norm(x - x_old)
|
||
|
|
if Δ > 0.1
|
||
|
|
step = 0.5 * step
|
||
|
|
m = 0
|
||
|
|
else
|
||
|
|
m+=1
|
||
|
|
if (m == 5)
|
||
|
|
step = 2 * step
|
||
|
|
m = 0
|
||
|
|
end
|
||
|
|
end
|
||
|
|
|
||
|
|
return (m, step)
|
||
|
|
end
|
||
|
|
end
|