3

Even if I copy the example from here: http://www.gnu.org/software/emacs/manual/html_node/calc/Linear-Fits.html#Linear-Fits this one:

[ [ 1, 2, 3, 4,  5  ]
  [ 5, 7, 9, 11, 13 ] ]

to be more specific, and then press a F 1 RET, all I get is the error message "Model expression is too complex: a + b * x". Do I have to do something special to make it work? Calc can plot data, so that's not an issue.

Running emacs -Q gives the same result.

Emacs Version: GNU Emacs 24.3.1 (x86_64-redhat-linux-gnu, GTK+ Version 3.8.2) of 2013-08-14 on buildvm-15.phx2.fedoraproject.org

  • What Emacs version are you running? The example works fine here (Emacs v24.3.1, Ubuntu 14.04). – ph0t0nix Oct 13 '14 at 13:36
5

I'm having exactly the same issue, anything I try to fit gives me the same complaint. I stumbled across this though, which just says it's a bug in 24.3 and fixed in 24.4.

  • 2
    Yes, that must be it. Just tried it with a newer version (GNU Emacs 24.4.50 (x86_64-unknown-linux-gnu, GTK+ Version 3.6.4)), and got the expected result. – wvxvw Oct 13 '14 at 16:49

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