Why am I getting Error using nargin? Tried to run the below code but only getting the error using nargin. I attempted everything

Question

Matthew Charles 2022-2-5

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https://ww2.mathworks.cn/matlabcentral/answers/1643615-why-am-i-getting-error-using-nargin-tried-to-run-the-below-code-but-only-getting-the-error-using-na

评论： Davide Masiello 2022-2-5

%% SEDIMENTATION INTERFACE
function dh_s = Emul(t,h)
nd = 1000; % No. of Droplets
% D = 300; % Droplets Diameter of Sphere in microns
Vol = 900; % Liquid volume of emulsion (ml)
l = 0.5; % Mean Distance between droplets 
alpha = 0.08; % Empirical Collision Effiency Parameter
D0 = 300; % Initial Droplet Diameter (microns)
Pr = 0.74; % Volume Fraction
Pr0 = ((nd*pi*D0^3)/6)/Vol; % Initial Volume Fraction of droplet
Prm = ((nd*pi*((D0+l)^3))/6)/Vol; % Maximum Volume Fraction of droplet
delrho = rho_B1 - rho_O1; % difference between the dispersed  water and continuous oil phase
Vsto = (delrho*g*(D0^2))/18*mu1; % Settling Velocity of Hard Spheres (stoke's velocity)
fPr = (1-Pr0)^5.3; % Dimensionless
%D = sqrt((2/3)*alpha*((Vsto*fPr)/(((Prm/Pr0)^1/3)-1))*(D0*t)+(D0^2)); % evolution of average diameter versus time
K1 = ((2/3)*alpha*((Vsto^2)/D))*((fPr^2)/((Prm/Pr)^1/3)-1);
dh_s = -K1*t-(Vsto*fPr);