Matrix size-incompatible

[HelloSeeing]

Hi,
Thanks for your sharing! I met an error while running your code with the following command:

$ python aae_mnist.py --train --ncode 2 --dist_type gaussian

It turns out to be:

[step: 100] loss: 152.4328 d_loss: 1.9309 g_loss: 3.7884
[step: 200] loss: 130.0870 d_loss: 1.8414 g_loss: 2.8809
[step: 300] loss: 118.0664 d_loss: 1.6845 g_loss: 2.2411
[step: 400] loss: 111.2656 d_loss: 1.5877 g_loss: 1.9333
==== epoch: 0, lr:0.0002 ====
[step: 468] loss: 108.2857 d_loss: 1.5520 g_loss: 1.7980
[Valid]: [step: 468] loss: 89.4752
Traceback (most recent call last):
  File "/usr/local/lib/python3.6/site-packages/tensorflow/python/client/session.py", line 1322, in _do_call
    return fn(*args)
  File "/usr/local/lib/python3.6/site-packages/tensorflow/python/client/session.py", line 1307, in _run_fn
    options, feed_dict, fetch_list, target_list, run_metadata)
  File "/usr/local/lib/python3.6/site-packages/tensorflow/python/client/session.py", line 1409, in _call_tf_sessionrun
    run_metadata)
tensorflow.python.framework.errors_impl.InvalidArgumentError: Matrix size-incompatible: In[0]: [2,400], In[1]: [2,1000]
	 [[Node: AE_1/decoder/decoder_FC/linear1/xw_plus_b/MatMul = MatMul[T=DT_FLOAT, transpose_a=false, transpose_b=false, _device="/job:localhost/replica:0/task:0/device:GPU:0"](AE_1/MultivariateNormalDiag/sample/affine_linear_operator/forward/DistributionShape_1/undo_make_batch_of_event_sample_matrices/rotate_transpose/transpose, AE/decoder/decoder_FC/linear1/weights/read)]]

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "aae_mnist.py", line 356, in <module>
    train()
  File "aae_mnist.py", line 272, in train
    trainer.valid_epoch(sess, dataflow=valid_data, summary_writer=writer)
  File "../src/helper/trainer.py", line 428, in valid_epoch
    gen_im = sess.run(self._generate_op)
  File "/usr/local/lib/python3.6/site-packages/tensorflow/python/client/session.py", line 900, in run
    run_metadata_ptr)
  File "/usr/local/lib/python3.6/site-packages/tensorflow/python/client/session.py", line 1135, in _run
    feed_dict_tensor, options, run_metadata)
  File "/usr/local/lib/python3.6/site-packages/tensorflow/python/client/session.py", line 1316, in _do_run
    run_metadata)
  File "/usr/local/lib/python3.6/site-packages/tensorflow/python/client/session.py", line 1335, in _do_call
    raise type(e)(node_def, op, message)
tensorflow.python.framework.errors_impl.InvalidArgumentError: Matrix size-incompatible: In[0]: [2,400], In[1]: [2,1000]
	 [[Node: AE_1/decoder/decoder_FC/linear1/xw_plus_b/MatMul = MatMul[T=DT_FLOAT, transpose_a=false, transpose_b=false, _device="/job:localhost/replica:0/task:0/device:GPU:0"](AE_1/MultivariateNormalDiag/sample/affine_linear_operator/forward/DistributionShape_1/undo_make_batch_of_event_sample_matrices/rotate_transpose/transpose, AE/decoder/decoder_FC/linear1/weights/read)]]

Caused by op 'AE_1/decoder/decoder_FC/linear1/xw_plus_b/MatMul', defined at:
  File "aae_mnist.py", line 356, in <module>
    train()
  File "aae_mnist.py", line 247, in train
    valid_model.create_generate_model(b_size=400)
  File "../src/models/aae.py", line 172, in create_generate_model
    self.layers['generate'] = (self.decoder(decoder_in) + 1. ) / 2.
  File "../src/models/aae.py", line 206, in decoder
    wd=self._wd, name='decoder_FC', init_w=INIT_W)
  File "../src/models/modules.py", line 35, in decoder_FC
    L.linear(name='linear1', nl=nl)
  File "/usr/local/lib/python3.6/site-packages/tensorflow/contrib/framework/python/ops/arg_scope.py", line 183, in func_with_args
    return func(*args, **current_args)
  File "../src/models/layers.py", line 105, in linear
    act = tf.nn.xw_plus_b(inputs, weights, biases)
  File "/usr/local/lib/python3.6/site-packages/tensorflow/python/ops/nn_ops.py", line 2219, in xw_plus_b
    mm = math_ops.matmul(x, weights)
  File "/usr/local/lib/python3.6/site-packages/tensorflow/python/ops/math_ops.py", line 2014, in matmul
    a, b, transpose_a=transpose_a, transpose_b=transpose_b, name=name)
  File "/usr/local/lib/python3.6/site-packages/tensorflow/python/ops/gen_math_ops.py", line 4279, in mat_mul
    name=name)
  File "/usr/local/lib/python3.6/site-packages/tensorflow/python/framework/op_def_library.py", line 787, in _apply_op_helper
    op_def=op_def)
  File "/usr/local/lib/python3.6/site-packages/tensorflow/python/framework/ops.py", line 3414, in create_op
    op_def=op_def)
  File "/usr/local/lib/python3.6/site-packages/tensorflow/python/framework/ops.py", line 1740, in __init__
    self._traceback = self._graph._extract_stack()  # pylint: disable=protected-access

InvalidArgumentError (see above for traceback): Matrix size-incompatible: In[0]: [2,400], In[1]: [2,1000]
	 [[Node: AE_1/decoder/decoder_FC/linear1/xw_plus_b/MatMul = MatMul[T=DT_FLOAT, transpose_a=false, transpose_b=false, _device="/job:localhost/replica:0/task:0/device:GPU:0"](AE_1/MultivariateNormalDiag/sample/affine_linear_operator/forward/DistributionShape_1/undo_make_batch_of_event_sample_matrices/rotate_transpose/transpose, AE/decoder/decoder_FC/linear1/weights/read)]]

Could you please help me with this problem? Thanks!

[mathshangw]

excuse me did you solve it ?