how to use loop in function to plot
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function y=f(x)
np=1.5;
a=1.2;
b=3;
x=np*sin(theta);
k1=sqrt(a-x^2);
k2=ksqrt(b-x^2);
y=(k1-k2)/(k1+k2);
end
how to determine the delta(y)/ delta(x)/ with the variation of theta;
delta means change in value of parameter how to write using loop
pl help to plot delta(y)/delta(x) vs theta
3 Kommentare
Walter Roberson
am 8 Jan. 2022
how to determine the delta(y)/ delta(x)/ with the variation of theta;
x is a function of theta, so you are asking to take the derivative of function y with respect to function x,
Antworten (2)
Walter Roberson
am 8 Jan. 2022
syms x(theta)
np=1.5;
a=1.2;
b=3;
X=np*sin(theta);
k1=sqrt(a-x^2);
k2=sqrt(b-x^2);
y=(k1-k2)/(k1+k2);
dydx = functionalDerivative(y,x)
dydtheta = simplify(subs(dydx, x, X))
fplot(dydtheta, [-2*pi 2*pi])
0 Kommentare
Mathieu NOE
am 8 Jan. 2022
hello
try this
I modified your function because x and y are both outputs
theta = linspace(0,2*pi,100);
figure(1)
[x,y]=f(theta);
dx = gradient(x);
dy = gradient(y);
plot(theta,dy./dx);
%%%%%%%%%%%%%%%%%%%
function [x,y]=f(theta)
np=1.5;
a=1.2;
b=3;
x=np*sin(theta);
k1=sqrt(a-x.^2);
k2=sqrt(b-x.^2);
y=(k1-k2)./(k1+k2);
end
2 Kommentare
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