Ke Tu

Results 2 issues of Ke Tu

Hi, i use [Allowing GPU memory growth](https://www.tensorflow.org/tutorials/using_gpu#allowing-gpu-memory-growth) like followings which worked well in tensorflow: ``` config = tf.ConfigProto() config.gpu_options.allow_growth = True session = tf.Session(config=config, ...) ``` But it still occupies...

To rescale Laplacian eigenvalues to [-1, 1], the formula should be $L' = 2L/l_max - I$. I think the 33-th line in corsening.py should be like follows: ``` L /=...