I am writing a function for the Runge-Kutta method (Rk4) and when I try to put values into the equation I get a method error. function explicit_rk4(f::Function, yo::Vector, t_final::Real, N::Int) t=range(0, t_final, N+1) y=zeros(length(yo),N+1) h=t[2]-t[1] y[:,1]=yo for k = 1:N k₁=f(y[:,k],t[…

Method Error? objects of type Vector{Float64} are not callable Use square brackets [] for indexing an Array

uniment February 28, 2023, 4:03am 2

Have you considered changing k₂(h/2) to k₂*(h/2)?

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