Please can you help me with this? What I want is to have on input a list of tuple (size 2) and on output list of floats. So now I'm returning only float instead of a list. But unfortunately I can't figure out how to implement the list......

sigmoid :: Float -> Float

sigmoid x = 1.0 / (1 + exp (-x))

nActivation :: (Float,Float) -> Float

nActivation (x,y) = sigmoid(x*y)

nActivationSum :: [(Float, Float)] -> [Float]

nActivationSum [] = []

nActivationSum (inputs:weights) = nActivation (inputs, weights)

Couldn't match expected type `[Float]' with actual type `Float'

In the return type of a call of `nActivation'

In the expression: nActivation (inputs, weights)

In an equation for `nActivationSum':

nActivationSum (inputs : weights) = nActivation (inputs, weights)

thanks,