Exemplo n.º 1
0
class serv_ESN:
    def __init__(self,):
        weight_scale = 1.0  # .8
        weight_inp = 0.2
        weight_fb = 10 ** (-3)
        alpha = 0.99  # .35#.2
        fback = False  # False
        inital_washout = 100  # 100
        padding_s = 300
        units = 28 * 28
        indim = 6
        outdim = 6

        self.esn = ESN(units, indim, outdim, weight_scale, weight_inp, weight_fb, alpha, fback)

        # self.webapp = webapp
        local_dir = os.path.dirname(__file__)
        self.esn.load(local_dir + "/trainied.pickle")
        self.stepper = self.esn.step_taped()
        self.outputs = np.zeros((3, outdim))
        print "ESN:: init"

    def serv_close(self,):
        return True

    def serv_train(self,):
        return True

    def serv_step(self, val_in):

        state, output, this = self.stepper(val_in, self.outputs, 0.0)
        output += np.random.random(output.shape)
        return state, output
Exemplo n.º 2
0
def test(sys, weight_scale, weight_inp, weight_fb, alpha, inital_washout, padding_s ):

	units = 28*28
	indim = 6
	outdim = 6
	

	esn = ESN(
		units, indim, outdim, weight_scale,weight_inp,weight_fb, alpha, fback
		)
	esn.load("trainied.pickle")
	stepper = esn.step_taped()
	

	dtsets = read_dataset(sys.argv[1], sys.argv[2])
	# import pdb;pdb.set_trace()
	inputs, outputs, padIdxs, idxs = dtsets[0]

	
	plot_output =[]
	plot_state =[]

	import time
	start = time.time()
	###########TRAIN
	# all_states = []
	# all_this = []
	# all_states, all_this= train(idxs, padIdxs, esn, stepper, inputs, outputs)

	# M_tonos = np.linalg.pinv(all_states)
	# # import pdb; pdb.set_trace()
	# all_this = np.arctanh(all_this)
	# W_trans = np.dot(M_tonos,all_this)
	# esn.W_out.set_value(W_trans)
	# print W_trans
	
	###########END TRAIN
	print "Time taken ", time.time() - start
	#########TESTING#############
	
	outputs1 = np.zeros(outputs.shape)
	outputs1[1:] = outputs[:-1]

	state, output, this = stepper(
		inputs, outputs, 0.)

	print output.shape
	plot_state.extend(state[:,:units])
	plot_output.extend(output)

	
	#########TESTING#############
	if int(sys.argv[3]) == 1:
		f, axarr = plt.subplots(4, sharex=True)
		for oid,tpt in enumerate(np.array(plot_output).transpose()):
			try:
				axarr[0].plot(tpt,label="output"+str(oid))
			except:
				pass
		axarr[0].set_title('output')
		# axarr[0].legend()
		axarr[1].plot(outputs,label="outputs")
		axarr[2].plot(plot_state,label="state")
		axarr[2].set_title('state')
		# axarr[1].legend()
		axarr[3].plot(inputs,label="inputs")
		axarr[3].set_title('inputs')
		# axarr[2].legend()
		# plt.draw()
		# plt.figure()
		# plt.plot(inputs)
		# # plt.figure()
		# plt.plot(outputs)
		plt.show()