# Why do I get the error message : 'Too Many Output Arguments' when I try to execute a function?

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Asaigeethan P on 11 Sep 2022
Edited: Image Analyst on 11 Sep 2022
Here I attached my files:
function [f]=hanu(~,y)
%f=y(1); G=y(2); H=(3); I=y(5); J=y(6); K=y(7); M=y(4)
k=0.5;
B=0.5;
we=3;
n=0.2;
J=0.2;
Pr=2;
L=0.5;
Sc=1.2;
f=zeros(7,1);
f(1)=G;
f(2)=H;
f(3)=(G^2-F*H-2*k*H)*(1+we^2*H^2)^((n-1)/2)-k*(n-1)*we^2*H^3*(1+we^2*H^2)^((n-3)/2)+B*G/((1+2*k*eta)*(1+we^2*H^2)^((n-1)/2)+(n-1)*we^2*H^2*(1+2*k*eta)*(1+we^2*H^2)^(n-3)/2);
f(4)=I;
f(5)=(-2*k*I)-Pr*I*y(1)/(1+2*k*eta);
f(6)=K;
f(3)=(L*J*(1-J)^2-K*y(1)-(2/Sc)*k*K)/((1/Sc)*1+2*eta*k);
f=[f(1) f(2) f(3) f(4) f(5) f(6) f(7) ];
end
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function basefluid(N,albha,beta,gamma)
%f=h1; G=h2; H=h3; I=h5; J=h6; K=h7; M=h4
% Boundary conditions f(0)=0; G(0)=1; G(inf)=1; M(0)=1; M(inf)=0; J(inf)=1; K(0)=Ls*J(0)
%Initial approximation H(0)=-1; I(0)=1; K(0)=1;
p=0; q=1; h=(b-a)/N;
i=0;
for i=p:h:q
eta(i+1)= (eta(i)+h);
k1= F1(f(i), G(i), H(i), I(i), J(i), K(i), M(i), eta(i));
l1= F2(f(i), G(i), H(i), I(i), J(i), K(i), M(i), eta(i));
m1= F3(f(i), G(i), H(i), I(i), J(i), K(i), M(i), eta(i));
n1= F4(f(i), G(i), H(i), I(i), J(i), K(i), M(i), eta(i));
o1= F5(f(i), G(i), H(i), I(i), J(i), K(i), M(i), eta(i));
p1= F6(f(i), G(i), H(i), I(i), J(i), K(i), M(i), eta(i));
q1= F7(f(i), G(i), H(i), I(i), J(i), K(i), M(i), eta(i));
k2= F1(f(i)+1/4*h*k1, G(i)+1/4*h*l1, H(i)+1/4*h*m1, I(i)+1/4*h*n1, J(i)+1/4*h*o1, K(i)+1/4*h*p1, M(i)+1/4*h*q1, eta(i)+h/4);
l2= F2(f(i)+1/4*h*k1, G(i)+1/4*h*l1, H(i)+1/4*h*m1, I(i)+1/4*h*n1, J(i)+1/4*h*o1, K(i)+1/4*h*p1, M(i)+1/4*h*q1, eta(i)+h/4);
m2= F3(f(i)+1/4*h*k1, G(i)+1/4*h*l1, H(i)+1/4*h*m1, I(i)+1/4*h*n1, J(i)+1/4*h*o1, K(i)+1/4*h*p1, M(i)+1/4*h*q1, eta(i)+h/4);
n2= F4(f(i)+1/4*h*k1, G(i)+1/4*h*l1, H(i)+1/4*h*m1, I(i)+1/4*h*n1, J(i)+1/4*h*o1, K(i)+1/4*h*p1, M(i)+1/4*h*q1, eta(i)+h/4);
o2= F5(f(i)+1/4*h*k1, G(i)+1/4*h*l1, H(i)+1/4*h*m1, I(i)+1/4*h*n1, J(i)+1/4*h*o1, K(i)+1/4*h*p1, M(i)+1/4*h*q1, eta(i)+h/4);
p2= F6(f(i)+1/4*h*k1, G(i)+1/4*h*l1, H(i)+1/4*h*m1, I(i)+1/4*h*n1, J(i)+1/4*h*o1, K(i)+1/4*h*p1, M(i)+1/4*h*q1, eta(i)+h/4);
q2= F7(f(i)+1/4*h*k1, G(i)+1/4*h*l1, H(i)+1/4*h*m1, I(i)+1/4*h*n1, J(i)+1/4*h*o1, K(i)+1/4*h*p1, M(i)+1/4*h*q1, eta(i)+h/4);
k3= F1(f(i)+1/8*h*k1+1/8*h*k2, G(i)+1/8*h*l1+1/8*h*l2, H(i)+1/8*h*m1+1/8*h*m2, I(i)+1/8*h*n1+1/8*h*n2, J(i)+1/8*h*o1+1/8*h*o2, K(i)+1/8*h*p1+1/8*h*p2, M(i)+1/8*h*q1+1/8*h*q2, eta(i)+h/4);
l3= F2(f(i)+1/8*h*k1+1/8*h*k2, G(i)+1/8*h*l1+1/8*h*l2, H(i)+1/8*h*m1+1/8*h*m2, I(i)+1/8*h*n1+1/8*h*n2, J(i)+1/8*h*o1+1/8*h*o2, K(i)+1/8*h*p1+1/8*h*p2, M(i)+1/8*h*q1+1/8*h*q2, eta(i)+h/4);
m3= F3(f(i)+1/8*h*k1+1/8*h*k2, G(i)+1/8*h*l1+1/8*h*l2, H(i)+1/8*h*m1+1/8*h*m2, I(i)+1/8*h*n1+1/8*h*n2, J(i)+1/8*h*o1+1/8*h*o2, K(i)+1/8*h*p1+1/8*h*p2, M(i)+1/8*h*q1+1/8*h*q2, eta(i)+h/4);
n3= F4(f(i)+1/8*h*k1+1/8*h*k2, G(i)+1/8*h*l1+1/8*h*l2, H(i)+1/8*h*m1+1/8*h*m2, I(i)+1/8*h*n1+1/8*h*n2, J(i)+1/8*h*o1+1/8*h*o2, K(i)+1/8*h*p1+1/8*h*p2, M(i)+1/8*h*q1+1/8*h*q2, eta(i)+h/4);
o3= F5(f(i)+1/8*h*k1+1/8*h*k2, G(i)+1/8*h*l1+1/8*h*l2, H(i)+1/8*h*m1+1/8*h*m2, I(i)+1/8*h*n1+1/8*h*n2, J(i)+1/8*h*o1+1/8*h*o2, K(i)+1/8*h*p1+1/8*h*p2, M(i)+1/8*h*q1+1/8*h*q2, eta(i)+h/4);
p3= F6(f(i)+1/8*h*k1+1/8*h*k2, G(i)+1/8*h*l1+1/8*h*l2, H(i)+1/8*h*m1+1/8*h*m2, I(i)+1/8*h*n1+1/8*h*n2, J(i)+1/8*h*o1+1/8*h*o2, K(i)+1/8*h*p1+1/8*h*p2, M(i)+1/8*h*q1+1/8*h*q2, eta(i)+h/4);
q3= F7(f(i)+1/8*h*k1+1/8*h*k2, G(i)+1/8*h*l1+1/8*h*l2, H(i)+1/8*h*m1+1/8*h*m2, I(i)+1/8*h*n1+1/8*h*n2, J(i)+1/8*h*o1+1/8*h*o2, K(i)+1/8*h*p1+1/8*h*p2, M(i)+1/8*h*q1+1/8*h*q2, eta(i)+h/4);
k4= F1(f(i)-1/2*h*k2+k3*h, G(i)-1/2*h*l2+l3*h, H(i)-1/2*h*m2+m3*h, I(i)-1/2*h*n2+n3*h, J(i)-1/2*h*o2+o3*h, K(i)-1/2*h*p2+p3*h, M(i)-1/2*h*q2+q3*h, eta(i)+1/2*h);
l4= F2(f(i)-1/2*h*k2+k3*h, G(i)-1/2*h*l2+l3*h, H(i)-1/2*h*m2+m3*h, I(i)-1/2*h*n2+n3*h, J(i)-1/2*h*o2+o3*h, K(i)-1/2*h*p2+p3*h, M(i)-1/2*h*q2+q3*h, eta(i)+1/2*h);
m4= F3(f(i)-1/2*h*k2+k3*h, G(i)-1/2*h*l2+l3*h, H(i)-1/2*h*m2+m3*h, I(i)-1/2*h*n2+n3*h, J(i)-1/2*h*o2+o3*h, K(i)-1/2*h*p2+p3*h, M(i)-1/2*h*q2+q3*h, eta(i)+1/2*h);
n4= F4(f(i)-1/2*h*k2+k3*h, G(i)-1/2*h*l2+l3*h, H(i)-1/2*h*m2+m3*h, I(i)-1/2*h*n2+n3*h, J(i)-1/2*h*o2+o3*h, K(i)-1/2*h*p2+p3*h, M(i)-1/2*h*q2+q3*h, eta(i)+1/2*h);
o4= F5(f(i)-1/2*h*k2+k3*h, G(i)-1/2*h*l2+l3*h, H(i)-1/2*h*m2+m3*h, I(i)-1/2*h*n2+n3*h, J(i)-1/2*h*o2+o3*h, K(i)-1/2*h*p2+p3*h, M(i)-1/2*h*q2+q3*h, eta(i)+1/2*h);
p4= F6(f(i)-1/2*h*k2+k3*h, G(i)-1/2*h*l2+l3*h, H(i)-1/2*h*m2+m3*h, I(i)-1/2*h*n2+n3*h, J(i)-1/2*h*o2+o3*h, K(i)-1/2*h*p2+p3*h, M(i)-1/2*h*q2+q3*h, eta(i)+1/2*h);
q4= F7(f(i)-1/2*h*k2+k3*h, G(i)-1/2*h*l2+l3*h, H(i)-1/2*h*m2+m3*h, I(i)-1/2*h*n2+n3*h, J(i)-1/2*h*o2+o3*h, K(i)-1/2*h*p2+p3*h, M(i)-1/2*h*q2+q3*h, eta(i)+1/2*h);
k5= F1(f(i)+3/16*h*k1+9/16*k4*h, G(i)+3/16*h*l1+9/16*l4*h, H(i)+3/16*h*m1+9/16*m4*h, I(i)+3/16*h*n1+9/16*n4*h, J(i)+3/16*h*o1+9/16*o4*h, K(i)+3/16*h*p1+9/16*p4*h, M(i)+3/16*h*q1+9/16*q4*h, eta(i)+3/4*h);
l5= F2(f(i)+3/16*h*k1+9/16*k4*h, G(i)+3/16*h*l1+9/16*l4*h, H(i)+3/16*h*m1+9/16*m4*h, I(i)+3/16*h*n1+9/16*n4*h, J(i)+3/16*h*o1+9/16*o4*h, K(i)+3/16*h*p1+9/16*p4*h, M(i)+3/16*h*q1+9/16*q4*h, eta(i)+3/4*h);
m5= F3(f(i)+3/16*h*k1+9/16*k4*h, G(i)+3/16*h*l1+3/16*l4*h, H(i)+3/16*h*m1+9/16*m4*h, I(i)+3/16*h*n1+9/16*n4*h, J(i)+3/16*h*o1+9/16*o4*h, K(i)+3/16*h*p1+9/16*p4*h, M(i)+3/16*h*q1+9/16*q4*h, eta(i)+3/4*h);
n5= F4(f(i)+3/16*h*k1+9/16*k4*h, G(i)+3/16*h*l1+3/16*l4*h, H(i)+3/16*h*m1+9/16*m4*h, I(i)+3/16*h*n1+9/16*n4*h, J(i)+3/16*h*o1+9/16*o4*h, K(i)+3/16*h*p1+9/16*p4*h, M(i)+3/16*h*q1+9/16*q4*h, eta(i)+3/4*h);
o5= F5(f(i)+3/16*h*k1+9/16*k4*h, G(i)+3/16*h*l1+3/16*l4*h, H(i)+3/16*h*m1+9/16*m4*h, I(i)+3/16*h*n1+9/16*n4*h, J(i)+3/16*h*o1+9/16*o4*h, K(i)+3/16*h*p1+9/16*p4*h, M(i)+3/16*h*q1+9/16*q4*h, eta(i)+3/4*h);
p5= F6(f(i)+3/16*h*k1+9/16*k4*h, G(i)+3/16*h*l1+3/16*l4*h, H(i)+3/16*h*m1+9/16*m4*h, I(i)+3/16*h*n1+9/16*n4*h, J(i)+3/16*h*o1+9/16*o4*h, K(i)+3/16*h*p1+9/16*p4*h, M(i)+3/16*h*q1+9/16*q4*h, eta(i)+3/4*h);
q5= F7(f(i)+3/16*h*k1+9/16*k4*h, G(i)+3/16*h*l1+3/16*l4*h, H(i)+3/16*h*m1+9/16*m4*h, I(i)+3/16*h*n1+9/16*n4*h, J(i)+3/16*h*o1+9/16*o4*h, K(i)+3/16*h*p1+9/16*p4*h, M(i)+3/16*h*q1+9/16*q4*h, eta(i)+3/4*h);
k6= F1(f(i)-3/7*h*k1+2/7*k2*h+12/7*k3*h-12/7*k4*h+8/7*k5*h, G(i)-3/7*h*l1+2/7*l2*h+12/7*l3*h-12/7*l4*h+8/7*l5*h, H(i)-3/7*h*m1+2/7*m2*h+12/7*m3*h-12/7*m4*h+8/7*m5*h, I(i)-3/7*h*n1+2/7*n2*h+12/7*n3*h-12/7*n4*h+8/7*n5*h, J(i)-3/7*h*o1+2/7*o2*h+12/7*o3*h-12/7*o4*h+8/7*o5*h, K(i)-3/7*h*p1+2/7*p2*h+12/7*p3*h-12/7*p4*h+8/7*p5*h, M(i)-3/7*h*q1+2/7*q2*h+12/7*q3*h-12/7*q4*h+8/7*q5*h, eta(i)+h);
l6= F2(f(i)-3/7*h*k1+2/7*k2*h+12/7*k3*h-12/7*k4*h+8/7*k5*h, G(i)-3/7*h*l1+2/7*l2*h+12/7*l3*h-12/7*l4*h+8/7*l5*h, H(i)-3/7*h*m1+2/7*m2*h+12/7*m3*h-12/7*m4*h+8/7*m5*h, I(i)-3/7*h*n1+2/7*n2*h+12/7*n3*h-12/7*n4*h+8/7*n5*h, J(i)-3/7*h*o1+2/7*o2*h+12/7*o3*h-12/7*o4*h+8/7*o5*h, K(i)-3/7*h*p1+2/7*p2*h+12/7*p3*h-12/7*p4*h+8/7*p5*h, M(i)-3/7*h*q1+2/7*q2*h+12/7*q3*h-12/7*q4*h+8/7*q5*h, eta(i)+h);
m6= F3(f(i)-3/7*h*k1+2/7*k2*h+12/7*k3*h-12/7*k4*h+8/7*k5*h, G(i)-3/7*h*l1+2/7*l2*h+12/7*l3*h-12/7*l4*h+8/7*l5*h, H(i)-3/7*h*m1+2/7*m2*h+12/7*m3*h-12/7*m4*h+8/7*m5*h, I(i)-3/7*h*n1+2/7*n2*h+12/7*n3*h-12/7*n4*h+8/7*n5*h, J(i)-3/7*h*o1+2/7*o2*h+12/7*o3*h-12/7*o4*h+8/7*o5*h, K(i)-3/7*h*p1+2/7*p2*h+12/7*p3*h-12/7*p4*h+8/7*p5*h, M(i)-3/7*h*q1+2/7*q2*h+12/7*q3*h-12/7*q4*h+8/7*q5*h, eta(i)+h);
n6= F4(f(i)-3/7*h*k1+2/7*k2*h+12/7*k3*h-12/7*k4*h+8/7*k5*h, G(i)-3/7*h*l1+2/7*l2*h+12/7*l3*h-12/7*l4*h+8/7*l5*h, H(i)-3/7*h*m1+2/7*m2*h+12/7*m3*h-12/7*m4*h+8/7*m5*h, I(i)-3/7*h*n1+2/7*n2*h+12/7*n3*h-12/7*n4*h+8/7*n5*h, J(i)-3/7*h*o1+2/7*o2*h+12/7*o3*h-12/7*o4*h+8/7*o5*h, K(i)-3/7*h*p1+2/7*p2*h+12/7*p3*h-12/7*p4*h+8/7*p5*h, M(i)-3/7*h*q1+2/7*q2*h+12/7*q3*h-12/7*q4*h+8/7*q5*h, eta(i)+h);
o6= F5(f(i)-3/7*h*k1+2/7*k2*h+12/7*k3*h-12/7*k4*h+8/7*k5*h, G(i)-3/7*h*l1+2/7*l2*h+12/7*l3*h-12/7*l4*h+8/7*l5*h, H(i)-3/7*h*m1+2/7*m2*h+12/7*m3*h-12/7*m4*h+8/7*m5*h, I(i)-3/7*h*n1+2/7*n2*h+12/7*n3*h-12/7*n4*h+8/7*n5*h, J(i)-3/7*h*o1+2/7*o2*h+12/7*o3*h-12/7*o4*h+8/7*o5*h, K(i)-3/7*h*p1+2/7*p2*h+12/7*p3*h-12/7*p4*h+8/7*p5*h, M(i)-3/7*h*q1+2/7*q2*h+12/7*q3*h-12/7*q4*h+8/7*q5*h, eta(i)+h);
p6= F6(f(i)-3/7*h*k1+2/7*k2*h+12/7*k3*h-12/7*k4*h+8/7*k5*h, G(i)-3/7*h*l1+2/7*l2*h+12/7*l3*h-12/7*l4*h+8/7*l5*h, H(i)-3/7*h*m1+2/7*m2*h+12/7*m3*h-12/7*m4*h+8/7*m5*h, I(i)-3/7*h*n1+2/7*n2*h+12/7*n3*h-12/7*n4*h+8/7*n5*h, J(i)-3/7*h*o1+2/7*o2*h+12/7*o3*h-12/7*o4*h+8/7*o5*h, K(i)-3/7*h*p1+2/7*p2*h+12/7*p3*h-12/7*p4*h+8/7*p5*h, M(i)-3/7*h*q1+2/7*q2*h+12/7*q3*h-12/7*q4*h+8/7*q5*h, eta(i)+h);
q6= F7(f(i)-3/7*h*k1+2/7*k2*h+12/7*k3*h-12/7*k4*h+8/7*k5*h, G(i)-3/7*h*l1+2/7*l2*h+12/7*l3*h-12/7*l4*h+8/7*l5*h, H(i)-3/7*h*m1+2/7*m2*h+12/7*m3*h-12/7*m4*h+8/7*m5*h, I(i)-3/7*h*n1+2/7*n2*h+12/7*n3*h-12/7*n4*h+8/7*n5*h, J(i)-3/7*h*o1+2/7*o2*h+12/7*o3*h-12/7*o4*h+8/7*o5*h, K(i)-3/7*h*p1+2/7*p2*h+12/7*p3*h-12/7*p4*h+8/7*p5*h, M(i)-3/7*h*q1+2/7*q2*h+12/7*q3*h-12/7*q4*h+8/7*q5*h, eta(i)+h);
f(i+1)= f(i)+ h/90*(7*k1+32*k3+12*k4+32*k5+7*k6);
G(i+1)= G(i)+ h/90*(7*l1+32*l3+12*l4+32*l5+7*l6);
H(i+1)= H(i)+ h/90*(7*m1+32*m3+12*m4+32*m5+7*m6);
I(i+1)= H(i)+ h/90*(7*n1+32*n3+12*n4+32*n5+7*n6);
J(i+1)= J(i)+ h/90*(7*o1+32*o3+12*o4+32*o5+7*o6);
K(i+1)= K(i)+ h/90*(7*p1+32*p3+12*p4+32*p5+7*p6);
M(i+1)= M(i)+ h/90*(7*q1+32*q3+12*q4+32*q5+7*q6);
end
end
--------------------------------------------------------------------------------------------------------->
% Newton's Method
N=1000;
albha=-1;
beta=1;
gamma=1;
yb=0.1;
Error=1;
while Error >=1e-5
[x,f]=Newfun(albha,beta,gamma);
albha = albha-(f(1,3)-yb)/f(1,4)
beta = beta-(f(5,1)-yb)/f(5,2)
gamma = gamma-(f(7,1)-yb)/f(7,2)
Error =abs(f(1,3)-yb)
Error =abs(f(5,1)-yb)
Error =abs(f(7,3)-yb)
end
plot(x,f(:,2))

Cris LaPierre on 11 Sep 2022
What function are you trying to call that is giving you the error? The code you shared doesn't use either of the functions you have defined.
The error means you have called a function with more output variables than the function returns. Consider this example.
% Call function with a single output variable
A=f(1)
A = 2
% Your error - call function with more outputs than the function returns
[A,B] = f(1)
Error using solution>f
Too many output arguments.
% function has one output, out
function out = f(in)
out = in+1;
end

Image Analyst on 11 Sep 2022
Why are you doing this
function [f]=hanu(~,y)
function [f]=hanu(y)
That doesn't make sense to me.
Also, what is the line of code where you are calling and what is the complete error message (line number, line of code, error description - everything. ALL THE RED TEXT)?
If you have any more questions, then attach your data and code to read it in with the paperclip icon after you read this:

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