Contents

module TensorStream
  # varoius utility functions for array processing
  module MathHelper
    # Calculates value of y = 1.0 / ( 1.0 + exp( -x ) )
    def sigmoid(val)
      1 / (1 + Math.exp(-val))
    end
  end
end

Version data entries

9 entries across 9 versions & 1 rubygems

Version	Path
tensor_stream-1.0.9	lib/tensor_stream/evaluator/operation_helpers/math_helper.rb
tensor_stream-1.0.8	lib/tensor_stream/evaluator/operation_helpers/math_helper.rb
tensor_stream-1.0.7	lib/tensor_stream/evaluator/operation_helpers/math_helper.rb
tensor_stream-1.0.6	lib/tensor_stream/evaluator/operation_helpers/math_helper.rb
tensor_stream-1.0.5	lib/tensor_stream/evaluator/operation_helpers/math_helper.rb
tensor_stream-1.0.4	lib/tensor_stream/evaluator/operation_helpers/math_helper.rb
tensor_stream-1.0.3	lib/tensor_stream/evaluator/operation_helpers/math_helper.rb
tensor_stream-1.0.2	lib/tensor_stream/evaluator/operation_helpers/math_helper.rb
tensor_stream-1.0.1	lib/tensor_stream/evaluator/operation_helpers/math_helper.rb