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MATLAB Poynting Vector integral without symbolic pkg
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% Define farfield radiation electric field (E) and magnetic field (H) functions | |
E = @(r, theta, phi) your_electric_field_function(r, theta, phi); | |
H = @(r, theta, phi) your_magnetic_field_function(r, theta, phi); | |
% Define spherical region of integration | |
rmin = your_min_r_value; | |
rmax = your_max_r_value; | |
thetamin = your_min_theta_value; | |
thetamax = your_max_theta_value; | |
phimin = your_min_phi_value; | |
phimax = your_max_phi_value; | |
% Create anonymous function for Poynting vector in spherical coordinates | |
PoyntingVectorSpherical = @(r, theta, phi) r^2 * sin(theta) * real(cross(E(r, theta, phi), conj(H(r, theta, phi)))); | |
% Perform the integral over the specified spherical region | |
integral_result_spherical = integral3(PoyntingVectorSpherical, rmin, rmax, thetamin, thetamax, phimin, phimax); | |
disp(['Integral of Poynting Vector over the specified spherical region: ', num2str(integral_result_spherical)]); |
Author
rezamarzban
commented
Jan 23, 2024
- You do not need to do a Poynting Vector integral over r to getting radiation power, Only over Theta and Phi is needed!
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