What does ~ signify in: function [x, f, g] = defineSystem(~, params)
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function [x, f, g] = defineSystem(~, params)
syms p v z % states
x = [p; v; z];
f0 = params.f0;
f1 = params.f1;
f2 = params.f2;
v0 = params.v0;
m = params.m;
Fr = f0 + f1 * v + f2 * v^2;
% Dynamics
f = [v; -Fr/m; v0-v];
g = [0; 1/m; 0];
end
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Torsten
2022 年 11 月 16 日
It signifies that the function "defineSystem" is usually called with two inputs, but that the first input can be ignored in the actual case because it is not needed to calculate the output variables x, f and g.
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