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Hey Mitch, Apparently there is no problem in functionality of EigenSystem - it gives the correct solution. The problem was in specified initial conditions to the EigenSystem solution. In both DSolve and MatrixExp you specified that x[0]=1 and...
Hi Lev, The fact that you are using FindRoot instead of NSolve doesn't really matter, please see the following code: (*Define File Path and File Name and Open it for writing appending \ new data to the end of the file *) MyPath =...
Another solution is to create your own arrowhead (kinda annoying, no idea why they changed it...): h = Graphics3D[{EdgeForm[Blue], Rotate[Cone[], 90 \[Degree], {0, 1, 0}]}]; Graphics3D[{Blue, Arrowheads[{{0.1, 1, {h, 1}}}], ...