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How can i plot Electric field graph of Electric dipole?

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dilshad hossain
dilshad hossain 2015-3-5
评论： Chathurika 2023-12-5
How can i plot graph with two different independent variable with one dependent variable? Like Electric field of dipole

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Joseph Cheng
Joseph Cheng 2015-3-5
you can use the function quiver() examples on its use can be found http://www.mathworks.com/help/matlab/ref/quiver.html. So if position (x and y) about the dipole are your independent variables and the magnitude of the field is your dependent the quiver plot can show you at the x and y position the magnitude and direction of the field.
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dilshad hossain
dilshad hossain 2015-3-5
here is the equation of Electric magnetic field. E=(q*d*(2cos(a)+sin(a)))/(r^3) here a & r is the independent variable and E dependent. Now how can i show the graph of E in matlab?
Joseph Cheng
Joseph Cheng 2015-3-5
it has been a while but i'm taking a is the angle normal to dipole and R is the distance from the center point between the two poles. Then you can convert any X and Y coordinate into distance and angle.
r = sqrt(x^2+y^2)
a = atan2d(y,x).

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更多回答（1 个）

Antonio Cedillo Hernandez
Here you have the full MATLAB code explained (in spanish but the first comment is the code): https://www.youtube.com/watch?v=k9srU6aQfL0

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