From b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b Mon Sep 17 00:00:00 2001 From: priyanka Date: Wed, 24 Jun 2015 15:03:17 +0530 Subject: initial commit / add all books --- 25/CH2/EX2.5/2_5.sce | 10 ++++++++++ 1 file changed, 10 insertions(+) create mode 100755 25/CH2/EX2.5/2_5.sce (limited to '25/CH2/EX2.5') diff --git a/25/CH2/EX2.5/2_5.sce b/25/CH2/EX2.5/2_5.sce new file mode 100755 index 000000000..ddef6cb5b --- /dev/null +++ b/25/CH2/EX2.5/2_5.sce @@ -0,0 +1,10 @@ +// example:-2.5,page no.-36. +// program to compute the poynting vector for the plane wave field. +syms E Eo H k s n N x r; +E=Eo*exp(-%i*k*r); // electric field. +H=(E/N)*n; //N is intrinsic impedence,n is unit vector. +H1=conj(H) // conjugate of magnetic field. +s=E*H1; +//result +disp(s,'poynting vector is(meter square)=') +disp('which shows that power density is flowing in the direction of propagation.') \ No newline at end of file -- cgit