File: test_adam.lua

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lua-torch-optim 0~20171127-ga5ceed7-1
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require 'torch'
require 'optim'
require 'rosenbrock'
require 'l2'
x = torch.Tensor(2):fill(0)
fx = {}
config = {learningRate=0.002}
for i = 1,10001 do
x,f=optim.adam(rosenbrock,x,config)
if (i-1)%1000 == 0 then
table.insert(fx,f[1])
end
end
print()
print('Rosenbrock test')
print()
print('x=');print(x)
print('fx=')
for i=1,#fx do print((i-1)*1000+1,fx[i]); end