μ = 0 (slider from -5 to 5, step 0.1)
σ = 0.2 (slider from 0 to 1, step 0.1)
f(x) = 1 / (x * σ * sqrt(2 * π)) * exp((-(log(x) - μ)^(2)) / (2 * σ^(2)))
g(x) = f(-x)
h(x) = exp((-(x - μ)^(2)) / σ)