Array indices must be positive integers or logical values.

Question

Carolina Biliotti 2020-4-9

0
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https://ww2.mathworks.cn/matlabcentral/answers/516638-array-indices-must-be-positive-integers-or-logical-values

评论： Carolina Biliotti 2020-4-9

Hello everyone! I am having a hard time making the following function work, as I keep getting the message "Array indices must be positive integers or logical values". What could be the problem??

function[p]=map_funct(alpha, beta, lambda, gamma, Num, gf, gc, w, F, r, D, N, p0)
alpha=2.1;
beta=15;
D=1;
F=3;
r=0.01;
Num=100;
gf=0.5;
gc=0.3;
lambda=1;
gamma=0.35;
w=0.5;
N=1200;
p0=2.95;
p=zeros(N,1);
p(1)=p0;
for k=1:N-2
 
    p(k+1)=p(k)+gamma*Num*((w*gf*(F-p(k))+(1-w)*gc*(p(k)-F))./(1+exp(-lambda*(alpha*((D/F)-r)+beta*((p(k-1)-p(k-2))./p(k-1))))));
%    
%     line([p(k),p(k)],[p(k),p(k+1)]);
%     line([p(k),p(k+1)],[p(k+1),p(k+1)]);
%     
%   
end