Plotting graphs with functions in if loop
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Hello community
I want to plot the graph of fb (on Y-axis) vs x (on X-axis) for the attached code:
The plot that I get is also attached here. As I am new to MATLAB I am sure there are mistakes. Any help will be greatly appreciated.
clear all,
clc,
P=93000 ;
L=45*10^(-3);
x= linspace(0,58*10^(-6));
sx=(P/L).*(x);
sY=22;
n=0.53 ;
K=3.9 ;
if sY<sx
fb=(sx.^-1).*((sx-sY)/K).^(1/n);
else
fb=0;
end
plot(x,fb,'-o')
Regards
Sushant
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Matteo Pellegri
2021년 2월 24일
편집: Matteo Pellegri
2021년 2월 24일
You are using the if condition in the wrong way. You can perform you calculation first and then use array index to set the values of fb to 0 right after.
clear all
clc
P=93000 ;
L=45;
x= linspace(0,58,100);
sx=(P/L)*(x); %for scalar multiplication you don't need the .
sY=22;
n=0.53 ;
K=3.9 ;
fb=(sx.^-1).*((sx-sY)/K).^(1/n);
fb(sx<=sY)=0;
plot(x,fb,'-o')
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