error to get a result

clear
clc
%Defining Variables
unit=input('input the number of unit:');
D=input('input total load :'); dP=D;
n=input('insert number of iteration:');
for i=1:unit
a(i)=input('constant=');
b(i)=input('coff P');
c(i)=input('coff P^2');
B(i)=input('losses');
min(i)=input('main');
max(i)=input('max');
end
dB=diag(B);
x=max(b);

for i=1:n
while abs(dP)>0.00001
   for i=1:unit
    P(i)=(x-b(i))./(2*(c(i)+x*dB));
   end
    P=min(min(i)); P=max(max(i));
    dP=D+P'*los(i)*P-sum(P);
    x=x+dP*2/(sum(1./c(i)));
     
end
end
for i=1:unit
C(i)=a(i)+b(i).*P+c(i).*P.*P;
end
totalCost=sum(C); 
display(totalCost);
lamda=x; display(lamda); 
Loss=P'*B*P; display(Loss);
display(P);
display(C);

unit=3

D=850

n=1

constanat= 605 and 310 and 78

coff P= 7.92 and 7.85 and 7.97

coff P^2= 0.001562 and 0.00194 and 0.00482

B= 0.00003 and 0.00009 0.00012

min=100 and 100 and 50

max= 600 and 400 and 300

I would fix errors in this code

[Jan]

If you mention, that you want to fix an error, be so kind and explain, what the error is. Do you get an error message, then post a complete copy of it. Or does the result differ from your expectations? Then explain both, the result and your expectations.