require 'pycall/import' include PyCall::Import pyimport 'numpy', as: 'np' pyimport 'tensorflow', as: 'tf' # Create 100 phony x, y data points in NumPy, y = x * 0.1 + 0.3 x_data = np.random.rand.(100).astype.(np.float32) y_data = x_data * 0.1 + 0.3 # Try to find values for W and b that compute y_data = W * x_data + b # (We know that W should be 0.1 and b 0.3, but Tensorflow will # figure that out f