what is “rando” command in matlab

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Jay Hanuman
Jay Hanuman 2016-10-17
编辑： John D'Errico 2016-10-17
If I enter matrix in a matlab and run command rando(a) then it shows sometimes 3 and sometimes 2. if I change element values of matrix a then also rando(a) shows sometimes 3 and sometimes 2. so what is this command.
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Adam
Adam 2016-10-17
编辑：Adam 2016-10-17
rando is not a builtin Matlab command so presumably it is your own function.

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回答（3 个）

John D'Errico
John D'Errico 2016-10-17
编辑：John D'Errico 2016-10-17
There is NO rando function in MATLAb. Perhaps you have obtained it from someone else.
You have several options.
1. You can look at the code.
2. You can call for help on rando.
If the author has done a good job, they will have provided help.
help rando
3. You can contact the source. Somebody wrote the code. So ask them.
4. Finally, perhaps you intended to write randi.
In that case, READ THE HELP.
Image Analyst
Image Analyst 2016-10-17
Type
>> which rando
To see where it lives. To edit/open it and see what it does, type
>> edit rando.m
Walter Roberson
Walter Roberson 2016-10-17
http://www-math.bgsu.edu/~zirbel/ap/
" Matlab program files for Math 445/545 Applied probability"
"rando.m generates a random variable in {1, 2, ..., n} given a distribution vector."

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