Description Usage Arguments Value
Backtracking linesearch to find "optimal" step size
1 | backtrack_linesearch(f, gradf, x, deltax, alpha, beta)
|
f |
function to minimising |
gradf |
gradient of f |
x |
parameter to optimising over |
deltax |
newton step |
alpha |
linesearch parameter |
beta |
linesearch update parameter |
stop to take
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