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

<p><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&nbsp;: code to solve demonstration problem (internal gravity waves on the Columbia River plume; data courtesy J. Nash)<br> nash_data.txt&nbsp;: observational data for demonstration problem<br> vTG_FG.m&nbsp;: the main subroutine<br> BaryL.m&nbsp;: auxiliary subroutine<br> vTG_FGprep.m&nbsp;: auxiliary subroutine (call before&nbsp;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:&nbsp;Available from&nbsp;<a href="https://www.amazon.com/Instability-Geophysical-Flows-William-Smyth-dp-1108703011/dp/1108703011/ref=mt_other?_encoding=UTF8&amp;me=&amp;qid=1573683499">Amazon</a>&nbsp;and others.</p>