{"action":"created","issue":{"url":"https://api.github.com/repos/duguyue100/conceptors/issues/1","labels_url":"https://api.github.com/repos/duguyue100/conceptors/issues/1/labels{/name}","comments_url":"https://api.github.com/repos/duguyue100/conceptors/issues/1/comments","events_url":"https://api.github.com/repos/duguyue100/conceptors/issues/1/events","html_url":"https://github.com/duguyue100/conceptors/issues/1","id":84765389,"number":1,"title":"Values converge to 1.0 then RuntimeWarning","user":{"login":"alexjc","id":445208,"avatar_url":"https://avatars.githubusercontent.com/u/445208?v=3","gravatar_id":"","url":"https://api.github.com/users/alexjc","html_url":"https://github.com/alexjc","followers_url":"https://api.github.com/users/alexjc/followers","following_url":"https://api.github.com/users/alexjc/following{/other_user}","gists_url":"https://api.github.com/users/alexjc/gists{/gist_id}","starred_url":"https://api.github.com/users/alexjc/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/alexjc/subscriptions","organizations_url":"https://api.github.com/users/alexjc/orgs","repos_url":"https://api.github.com/users/alexjc/repos","events_url":"https://api.github.com/users/alexjc/events{/privacy}","received_events_url":"https://api.github.com/users/alexjc/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":2,"created_at":"2015-06-03T20:49:07Z","updated_at":"2015-06-04T06:48:03Z","closed_at":null,"body":"I tried plugging in the CIFAR10 data normalized by reproducing your `util.load_CIFAR10` function (which is not in the repository), and after one step of the inner training loop `x` converges to 1.0 which throws a warning:\r\n```\r\nconceptors/conceptors/net.py:325: RuntimeWarning: divide by zero encountered in arctanh\r\n  self.W_targets=np.arctanh(self.all_train_args)-numpy.matlib.repmat(self.W_bias, 1, self.num_pattern*self.learn_length);\r\n```\r\n\r\nAt this stage, `self.all_train_args` has minimum value 1.0 and maximum value 1.0.  Could you either commit your modified utils module, or let me know how to fix this?\r\n\r\nThanks!"},"comment":{"url":"https://api.github.com/repos/duguyue100/conceptors/issues/comments/108752007","html_url":"https://github.com/duguyue100/conceptors/issues/1#issuecomment-108752007","issue_url":"https://api.github.com/repos/duguyue100/conceptors/issues/1","id":108752007,"user":{"login":"alexjc","id":445208,"avatar_url":"https://avatars.githubusercontent.com/u/445208?v=3","gravatar_id":"","url":"https://api.github.com/users/alexjc","html_url":"https://github.com/alexjc","followers_url":"https://api.github.com/users/alexjc/followers","following_url":"https://api.github.com/users/alexjc/following{/other_user}","gists_url":"https://api.github.com/users/alexjc/gists{/gist_id}","starred_url":"https://api.github.com/users/alexjc/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/alexjc/subscriptions","organizations_url":"https://api.github.com/users/alexjc/orgs","repos_url":"https://api.github.com/users/alexjc/repos","events_url":"https://api.github.com/users/alexjc/events{/privacy}","received_events_url":"https://api.github.com/users/alexjc/received_events","type":"User","site_admin":false},"created_at":"2015-06-04T06:48:03Z","updated_at":"2015-06-04T06:48:03Z","body":"I added the exact copy of `load_CIFAR10` that you used before, the example launches fine but the `RuntimeWarning` above persists for the exact same reasons."}}