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Salvatore Turino
Salvatore Turino 2012-3-20
Hello i want to know if exist a function that generate numbers in a range that i want to fix. for example i need to generate 22 numbers in this range: 0.5000 and 0.600
can you help me? thank you

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回答（2 个）

Aldin
Aldin 2012-3-20
Here:
0.5:0.1/20:0.6
Beacuase: (0.6 - 0.5)/20
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Oleg Komarov
Oleg Komarov 2012-3-20
In my case is 22.
Geoff
Geoff 2012-3-20
Oleg is correct: length( 0.5:0.1/20:0.6 ) is 21. You really should use linspace if you want a linear sequence with a specified number of elements. That's what it's there for.

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Geoff
Geoff 2012-3-20
You haven't really specified if you want a sequence or just a set of numbers. Picking up on your term 'generate', perhaps you meant this:
randarr = @(lo, hi, n) lo + (hi-lo) * rand(1,n);
data = randarr(0.5, 0.6, 22);
That creates a bunch of random numbers in your specified range. Note I've wrapped it in an anonymous function to give the same syntax as linspace.
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Geoff
Geoff 2012-3-20
Oops, just realised I specified that anonymous function incorrectly. Fixed.

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