Matlab tools to solve the viscous Taylor Goldstein equation for both instabilities and waves

<strong>Matlab tools to solve the viscous Taylor Goldstein equation for both instabilities and waves</strong><br> Fourier-Galerkin method is faster and more accurate than the previous finite-difference version.<br> <strong>File list:</strong><br> wave_analysis_FG.m : code to solve demonstration problem (internal gravity waves on the Columbia River plume; data courtesy J. Nash)<br> nash_data.txt : observational data for demonstration problem<br> vTG_FG.m : the main subroutine<br> BaryL.m : auxiliary subroutine<br> vTG_FGprep.m : auxiliary subroutine (call before vTG_FG)<br> Lian_Smyth_Liu20.pdf : Paper to reference for description and testing of code.<br> The underlying theory is described in<em> Instability in Geophysical Flows,</em> by W.D. Smyth and J.C. Carpenter, Cambridge University Press: Available from Amazon and others.