gevfit error: Operands to the || and && operators must be convertible to logical scalar values

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wave_buoys
wave_buoys 2019-1-2
评论： Colin 2024-4-14，19:09
Hello,
Using Matlab R2018b, I just run an example GEV Distribution
blocksize = 1000;
nblocks = 250;
rng default % For reproducibility
t = trnd(5,blocksize,nblocks);
x = max(t);
% 250 column maxima
paramEsts = gevfit(x)
I got the error message:
Operands to the || and && operators must be convertible to logical scalar values.
Error in gevfit (line 74)
if n == 0 || ~isfinite(rangex)
Error in huy_test_stats (line 9)
paramEsts = gevfit(x);
Does it a bug? or how could it be solved?
Thanks
  1 个评论
Roby Pad
Roby Pad 2024-2-16
移动：the cyclist 2024-2-16
Hello, I have the very same problem which started all of a sudden a couple of days ago. I have Matlab2023b version, and I have just tried unistalling and reinstalling again, but it doesn't work.
Can someone help me?
Roby

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the cyclist
the cyclist 2019-1-2
That code works for me, in both 2018b and 2019a.
Does this happen with a freshly started instance of MATLAB?
If so, you might want to use the which command to check whether you are calling the functions from the places you expect. Another common error is to name a variable the same as a function.
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Colin
Colin 2024-4-14，19:09
Very old thread here, but I just had the same problem and this appears to be the only thread directly addressing it. What worked for me (using R2023a) was to go into the toolbox/stats/stats/gevfit.m function and change line 73 from
rangex=range(x);
to
rangex = xmax-xmin;
Something seems buggy with the range function, in other words, at least in this setting.

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