UnixWebMath 

This script was developed at the Center for Computational Electromagnetics (CCEM)  University of Illinois at Urbana with funding from the Sloan Center for Asynchronous Learning Environments(SCALE) 
WinWebMath   
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This script was developed at the Center for ComputationalElectromagnetics (CCEM)  University of Illinois at Urbana with fundingfrom the Sloan Center for Asynchronous Learning Environments (SCALE) 
UnixWebMath 
In[1] :=
frequency=300.; lgth=.80; angle=80.5; wirad=0.1; << notebooks/vdipole/fort.m; << notebooks/PatPlot.m; {zin,dir,vdipole}=AnalyzeVDipole[frequency,lgth,angle,wirad]; Print["Input Impedance (Re, Im): ",zin]; Print["Directivity: ", dir]; PatPlot2DAll[vdipole]; PatPlot3D[vdipole, PlotPoints > 60];
Mathematica Output 
Input Impedance (Re, Im): {148.2734, 272.5063}
Directivity: 3.12395
Processed by Mathematica version 2.2 running on a UNIX platform. 
This script was developed at the Center for Computational Electromagnetics (CCEM)  University of Illinois at Urbana with funding from the Sloan Center for Asynchronous Learning Environments(SCALE) 
The method of moments is one of the most widely used techniques for analyzing radiation problems. The following series of examples show how Mathematica and WebMath can be effectively used as an interface for codes based on that method.
The following simulation is done by a wire antenna MoM code running in conjuction with a simple transmission line code. Together these programs can perform the fullwave analysis of logperiodic dipole and monopole arrays operating in freespace. The ouput is then interpreted by Mathematica and displayed in a illustrative format.
UnixWebMath 

Mathematica Output 
Magnitude bar for relative admittance matrix contours:
Contour Plot of Admittance matrix for the Radiating elements(without feeder):
Elemental Impedances (real part, smallest element to largest element): Element 1 > 2.94364  1657.64 I Ohms Element 2 > 3.91626  1375.27 I Ohms Element 3 > 5.59608  1131.71 I Ohms Element 4 > 7.89697  917.689 I Ohms Element 5 > 11.1576  723.907 I Ohms Element 6 > 16.0757  551.064 I Ohms Element 7 > 23.534  388.474 I Ohms Element 8 > 36.1247  231.888 I Ohms Element 9 > 59.1635  68.954 I Ohms Element 10 > 100.904 + 121.111 I Ohms VSWR = 1.5398 For provided Zs. Real[Zin] = 42.71687  18.7385 I
Processed by Mathematica version 2.2 running on a UNIX platform. 
This script was developed at the Center for Computational Electromagnetics (CCEM)  University of Illinois at Urbana with funding from the Sloan Center for Asynchronous Learning Environments(SCALE) 