What's the matter with eigshow?

It seems that the function 'eigshow()' has been kicked out from Matlab 2016. But I really love this function. Are there any alternatives for eigshow?

Answer 1

[Walter Roberson]

eigshow does not appear to ever have been part of MATLAB.

https://www.mathworks.com/matlabcentral/fileexchange/37976-numerical-computing-with-matlab

[Zexiang Liu]

Thank you. I just update my Matlab and don't realize that 'eigshow' is from a toolbox.

[Toby Driscoll]

This is incorrect. In versions up to and including R2016a, it was a standard part of core MATLAB. (Even though "toolbox" appears in the pathname, it was part of toolbox/matlab, where all the core M-files are found.)

[Walter Roberson]

Hmmm, I find

/Applications/MATLAB_R2015b.app//toolbox/matlab/demos/eigshow.m

This is undocumented.... but I do see http://blogs.mathworks.com/cleve/2013/07/08/eigshow-week-1

Answer 2

[Fangyuan Zhang]

http://web.mit.edu/18.06/www/Course-Info/Mfiles/eigshow.m

You can use this code file to run the "eigshow" function by yourself!

[Toby Driscoll]

This version gives deprecation warnings and won't draw the dots as the vectors go around. Better source is

https://www.mathworks.com/matlabcentral/fileexchange/59085-cleve-laboratory

(Look under the lab2 button.)