the variable appears to change size every loop iteration

clc

clear

If = [0 0.5 1.0 1.5 2.0 2.5];

Ea = [0 75 150 205 242 270];

Ra = 0.14;

RI = 2;

Ifield = linspace(0,2.5,100);

for n = 1:100

Ea_curve(n) = spline(If,Ea,lfield(n));

la(n) = Ea_curve(n)/2;

Vt(n) = Ea_curve(n)-la(n)*Ra;

Pload(n) = Ea_curve(n)"la(n)-la(n)^2*Ra";

end

plot(Ifield, Pload)

title ('Field current vs. Load Power')

xlabel('Field current [A]')

ylabel('Load power [W]')

Answer 1

[Alan Stevens]

Answered here: https://uk.mathworks.com/matlabcentral/answers/1464024-the-variable-appears-to-change-size-every-loop-iteration?s_tid=srchtitle

[Nisreen Aljumaili]

thank you