%%Function CalculateRange is used to compute the
%%Satellite ranges via the function Ri = sqrt(Ai^2+Bi^2+(Ci-6370)^2)
%%Travel times are computed in the main error_magnification.m file
function Ri = calculateRange(satellitePositions)
AiSquared = satellitePositions(1)*satellitePositions(1);
BiSquared = satellitePositions(2)*satellitePositions(2);
Ci = satellitePositions(3);
Ri = sqrt(AiSquared + BiSquared + (Ci - 6370)^2);
end
Not enough input arguments.

Error in calculateRange (line 5)
AiSquared = satellitePositions(1)*satellitePositions(1);