hoge.jl

function hoge(n)
    if n == 1
        Lt    = 1.0
        K     = (t,s) -> 2.0 * cos( t - s )
        g     = (t) -> exp(t)
        y_exc = (t) -> exp(t) * ( 1.0 + t )^2 
    elseif n == 2
        Lt    = 3.0
        K     = (t,s) -> (t-s)
        g     = (t) -> 1.0 - t - t^2/2.0
        y_exc = (t) -> 1.0 - sinh(t)
    end
    return Lt,K,g,y_exc
end

function hoge(n)
    Lt = n == 1 ? 1.0 : 3.0
    K(t, s) = n == 1 ? 2.0 * cos( t - s ) : (t-s)
    g(t) = n == 1 ? exp(t) : 1.0 - t - t^2/2.0
    # ...
    return Lt, K, g, y_exc
end