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Julia verlet update #266

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Merged
merged 5 commits into from
Jul 17, 2018
Merged

Julia verlet update #266

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26ececd
removing principles of code chapter.
leios Jul 15, 2018
21d77c4
Revert "removing principles of code chapter."
leios Jul 15, 2018
d5402c6
Merge branch 'master' of github.com:algorithm-archivists/algorithm-ar…
leios Jul 16, 2018
6439990
Merge branch 'master' of github.com:algorithm-archivists/algorithm-ar…
leios Jul 17, 2018
56d2ab1
changing function to output velocity at the end.
leios Jul 17, 2018
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19 changes: 13 additions & 6 deletions chapters/algorithms/verlet_integration/code/julia/verlet.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -9,7 +9,7 @@ function verlet(pos::Float64, acc::Float64, dt::Float64)
prev_pos = temp_pos
end

println(time)
return time
end

function stormer_verlet(pos::Float64, acc::Float64, dt::Float64)
Expand All @@ -27,7 +27,7 @@ function stormer_verlet(pos::Float64, acc::Float64, dt::Float64)
vel += acc*dt
end

println(time)
return time, vel
end

function velocity_verlet(pos::Float64, acc::Float64, dt::Float64)
Expand All @@ -41,13 +41,20 @@ function velocity_verlet(pos::Float64, acc::Float64, dt::Float64)
vel += acc * dt;
end

println(time)
return time, vel
end

function main()
verlet(5.0, -10.0, 0.01);
stormer_verlet(5.0, -10.0, 0.01);
velocity_verlet(5.0, -10.0, 0.01);
time = verlet(5.0, -10.0, 0.01);
println("Time for Verlet integration is: $(time)\n")

time, vel = stormer_verlet(5.0, -10.0, 0.01);
println("Time for Stormer Verlet integration is: $(time)")
println("Velocity for Stormer Verlet integration is: $(vel)\n")

time, vel = velocity_verlet(5.0, -10.0, 0.01);
println("Time for velocity Verlet integration is: $(time)")
println("Velocity for velocity Verlet integration is: $(vel)\n")
end

main()