I wish to get the MAXEB code for wave propagation?
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Hope this helps!\ntry digging deeper into this source, or contacting the authors of the article:  \nhttp://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=PHPAEN000005000012004253000001&idtype=cvips&gifs=yes\n\nWave propagation and absorption simulations for helicon sources\nY. Mouzouris and J. E. Scharer \nDepartment of Electrical and Computer Engineering, University of Wisconsin, Madison 53706 \n\n(Received 22 June 1998; accepted 16 September 1998) \n\nA two-dimensional (2-D), finite-difference computer code is developed to examine helicon antenna coupling, wave propagation, collisionless Landau, and collisional heating mechanisms.  The code calculates the electromagnetic wave fields and power absorption in an inhomogeneous, cold, collisional plasma.  The current distribution of the launching antenna, which provides the full antenna spectra, is included in the model.  An iterative solution that incorporates warm plasma thermal effects has been added to the code to examine the contribution of collisionless (Landau) wave absorption by electrons.  Detailed studies of the wave fields and electron heating profiles at low magnetic fields (B0 < 100 G), where both Trivelpiece–Gould (TG) and helicon (H) modes are present, are discussed.  The effects of the applied uniform magnetic field (B0 = 10–1000 G), 2-D (r,z) density profiles (ne0 = 1011–1013 cm–3), neutral gas pressures of 1–10 mTorr and the antenna spectrum on collisional and collisionless wave field solutions and power absorption are investigated.  Cases in which the primarily electrostatic (TG) surface wave dominates the heating and the power is absorbed near the edge region and cases in which the propagating helicon wave transports and deposits its energy in the core plasma region are examined. ©1998 American Institute of Physics. \n\n\nPII: S1070-664X(98)04812-5 \ndoi:10.1063/1.873161 \nPACS: 52.35.-g, 52.65.-y, 52.25.Kn        Additional Information \n\nView ISI's Web of Science data for this article: [ Source Abstract  | Citing Articles web site:  http://cel.isiknowledge.com/CIW.cgi?&CustomersID=AIP&Func=Links&ImgLogo=http%3A%2F%2Fimages.isiknowledge.com%2FWoK3%2FImages%2FLinks%2FWOK3%2Ftbretpub.gif&PointOfEntry=CitingArticles&PublisherID=AIP&ReturnLink=http%3A%2F%2Flink.aip.org%2Flink%2F%3FPHP%2F5%2F4253%2F1&ServiceName=TransferToWos&ServiceUser=Links&UT=000077031000019&e=pztPCHcbmv_qbFN_ifMSSbBEWAIv3mBw3LKMQhUlYHFB_dj0fYv3mk7doRbRSgjY  | Related Articles web site:  http://cel.isiknowledge.com/CIW.cgi?&CustomersID=AIP&Func=Links&ImgLogo=http%3A%2F%2Fimages.isiknowledge.com%2FWoK3%2FImages%2FLinks%2FWOK3%2Ftbretpub.gif&PointOfEntry=RelatedRecords&PublisherID=AIP&ReturnLink=http%3A%2F%2Flink.aip.org%2Flink%2F%3FPHP%2F5%2F4253%2F1&ServiceName=TransferToWos&ServiceUser=Links&UT=000077031000019&e=ZgR.yeikjZepmz3J.e_XVPbuOHSKuX5ZD_8WPite_wec_dKVJZcLVSMLsQ7Qg_Tl  ]
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http://en.wikipedia.org/wiki/Sine_wave
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Try weatherchannel.com
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HERE: http://www.maxtor.com/
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http://www.ecamm.com/mac/imagewebcam/\nhttp://www.welovemacs.com/9613250403.html
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check koders.com\n\nor google.com&#92;codesearch
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http://www.google.com.au/url?sa=t&ct=res&cd=1&url=http%3A%2F%2Fieeexplore.ieee.org%2Fiel4%2F5426%2F14662%2F00666581.pdf%3Farnumber%3D666581&ei=2hZMRfWnBK2EYeampeQD&usg=__PnRESXCJq6-7EE0q58nnzl7mWhY=&sig2=uJlHbV5sannSUEImsbEgUQ
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http://www.cedarcomm.com/~stevelm1/usdebt.htm
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http://mathworld.wolfram.com/BesselFunctionoftheFirstKind.html\nhttp://en.wikibooks.org/wiki/Engineering_Acoustics/Bessel_Functions_and_the_Kettledrum
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www.ece.rochester.edu/users/hrk1/FPS.htm\nwww.freepatentsonline.com/4577345.html\nmedia.mit.edu/resenv/classes/MAS965/readings/singlechipfingerprint.pdf\nMIKE
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http://www.iiiee.lu.se/site.nsf/AllDocuments/EA7D28B83F65CC3DC1256F8D00363BD4
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You first have to represent your wave as a function. Let's say your wave has maximum and minimum aplitudes of 2 and -2 respectively, and a period of 10 seconds. The square of your function would be \nx^2 (t)= 2^2.\n\nMathematically, the squared signal is x^2 (t) and the "mean squared" signal is the integral of s^2(t) over an entire period, divided by the period. Finally, the "root mean squared" is the square root of this final result. \n\nIt's hard to put in the integrals and square roots in this text only format, so check out the website.
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Ascii http://www.4d.com/docs/cmu/cmu10121.htm\n\nGood luck
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Try Planet Source Code:\nhttp://www.planetsourcecode.com/vb/default.asp?lngWId=8
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A few that come to mind at Euler, Maxima and Octave. Unfortunately, I don't think any of the free packages come close to Mathematica or Matlab, but maybe one of them will still meet your needs.
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here\n\nhttp://www.1037theq.com/main.html
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numerical recipes in C.  Amazon has it.