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plotting a graph on matlab

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Prakriti Biswas
Prakriti Biswas 2020-8-30
关闭： MATLAB Answer Bot 2021-8-20
Hi I'm trying to plot a graph on MATLAB for the steady state armature current with respect to the frequency coeffiecient B. I need to graph it for a range of B from 0 to infinity. I tried the code:
clc;
clear all;
k=input('Enter constant k');
Ra=input('Enter resistence Ra');
for B=0:007
x=(Ra*B)+(k*k);
iss=B/x;
plot(B,iss)
xlabel('B')
ylabel('iss')
end
But the graph is empty. What should I do?

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回答（1 个）

KSSV
KSSV 2020-8-30
编辑：KSSV 2020-8-30
Read about element by element operations in MATLAB.
clc;
clear all;
k=input('Enter constant k');
Ra=input('Enter resistence Ra');
B=0:007
x=(Ra*B)+(k*k);
iss=B./x;
plot(B,iss)
xlabel('B')
ylabel('iss')
  2 个评论
Prakriti Biswas
Prakriti Biswas 2020-8-30
Alright, could you help me plot the same thing for a range of 0 to infinity?
KSSV
KSSV 2020-8-30
As there is no way to represent the infinity in codes..you make your required number B very high..may be you can use:
db = 1. ; % the step size
B = 0:db:10^3 ;

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