how to create random value matrix with size 3X5?

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SEID
SEID 2022-6-18
回答： DGM 2022-6-18
my question is to create 3x5 matrix add its elemet is radomly from 1-10.

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回答（2 个）

Ayush Singh
Ayush Singh 2022-6-18
Ran in:
Hi SEID
From my understanding of your question I assume you want to create 3*5 matrix of random numbers from 1-10
You can use the 'randi' function ( Uniformly distributed pseudorandom integers ) in folllowing way-
mat = randi(10,3,5) % 3,5 is the size of the matrix and 10 is the upper range for the matrix elements.
mat = 3×5
8 8 5 10 8 4 1 9 4 8 6 6 10 8 1
DGM
DGM 2022-6-18
Ran in:
If the numbers are supposed to be integers:
A = randi([1 10],3,5)
A = 3×5
9 4 6 9 10 5 6 1 6 6 2 5 4 10 9
otherwise, if the numbers can be any value in the specified interval:
A = rand(3,5)*9+1
A = 3×5
6.1228 3.6624 6.5019 7.3853 1.8787 5.0588 4.5854 1.7705 8.1341 8.7430 3.2489 8.8081 4.4995 4.7077 2.4313

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