orbit.frink

View or download orbit.frink in plain text format

// Demonstrate using Frink's solving ability to solve orbital equations.

use systemSolver2.frink
symbolicMode[true]
showApproximations[false]

orbit = new System[[ a === v^2 / r,
                     a === G earthmass / r^2,
                     r === earthradius + h,
                     c === 2 pi r,
                     T === c / v],
                    ["G", "earthmass", "earthradius", "pi"]]

println["All solutions:"]
println[join["\n", orbit.solveAll[false, true]]]

args = [["h", 180 km]]

println[]
println["Solution for v:"]
println[positive[eval[orbit.solveForValues["v", args]]] -> "mph"]
println[]

println[]
println["Solution for T:"]
println[join["\n", orbit.solveForValues["T", args]]]
println[]


View or download orbit.frink in plain text format


This is a program written in the programming language Frink.
For more information, view the Frink Documentation or see More Sample Frink Programs.

Alan Eliasen was born 17591 days, 17 hours, 37 minutes ago.