range isn't working
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Evgeny Hahamovich
il 30 Ott 2021
Risposto: Evgeny Hahamovich
il 30 Ott 2021
Just got the R2021b version and some of my code isn't working :(
The basic function "range" initialy offered me to calculate some wave propogation parameters, I solved this by removing the Communications Toolbox, but now it's not working at all!
Here is an example of the error:
a=[1 2 3]
>> range(a)
'range' requires one of the following:
Antenna Toolbox
Communications Toolbox
Fixed-Point Designer
Statistics and Machine Learning Toolbox
>> range(a,'all')
'range' requires one of the following:
Antenna Toolbox
Communications Toolbox
Fixed-Point Designer
Statistics and Machine Learning Toolbox
Very frustrating
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Chris
il 30 Ott 2021
Yep, I don't think it's part of base Matlab. It works as you would expect if you install the Statistics and Machine Learning Toolbox.
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Chris
il 30 Ott 2021
Modificato: Chris
il 30 Ott 2021
You could write your own range function and put it somewhere in your matlab path, if you don't want to install the toolbox. As a simple example, if you only need it to work with vectors:
function y = range(X)
% prevent some invalid inputs
arguments
X (:,1) {mustBeNumeric, mustBeReal}
end
y = max(X)-min(X);
end
(the full function from the toolbox is not much more complicated, but I'm not sure about the legality of posting it here)
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Image Analyst
il 30 Ott 2021
What about the built-in bounds() function:
v = 4:99;
[minv, maxv] = bounds(v)
minv =
4
maxv =
99
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