How to find values fron their location?

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Mohammad Sulaiman Stanekzai 2019-7-6

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https://ww2.mathworks.cn/matlabcentral/answers/470516-how-to-find-values-fron-their-location

评论： Walter Roberson 2019-7-8

In the following coding i am able to find the loction of values in "elseif" command but i cant find their values. Please help me.

Thanks in advance.

sym x;
sym y;
sym n;
sym z;
sym b;
pv = xlsread('POWER PV');
p = size (pv,1);
load = xlsread('LOAD');
pemfc = xlsread('PEMFC 1');
l = size (pemfc,1);
for sun = 1:1:p  j = 1:1:l ;  
if load(sun,1) < pv (sun,1);
    x = pv(sun,1)-load (sun,1); 
    
elseif load(sun,1) > pv (sun,1);
    y = load(sun,1) - pv (sun,1);
    z = find (pemfc(j,1)> y ,1);  % it just shows the location of values. I also need thier values but i cant find it.
   
    x = -z;
    
else
    x = 0;
    
end
n(sun,1) = double (x)
end 