# use of comma & semi colon

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mrituanjay kumar le 5 Mar 2020
Commenté : Guillaume le 18 Mar 2020
Please explain the meaning of below command in matlab
A(1, 1:9) = [ 30, 25, 16, 32, 15, 37, 18, 3, 10,]
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### Réponse acceptée

Guillaume le 5 Mar 2020
You're asking a very basic question. 5 minutes with any tutorial would have answered it. We recommend that you go through the free matlab onramp to learn the basics of matlab.
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mrituanjay kumar le 18 Mar 2020
could you help me to solve a bar graph problem ?
I've two different arrays
a = [2 4 6 8 10]
b = [1 3 5 7 9]
now I want to plot these two array on a single bar graph where x axis values ranges from 1 to 4(1 2 3 4) and y axis contain two different bar graph side by side in different colour, it means at x axis value 1 I need two bar of values 2 & 1 similarly on at x axis value 2 I need two bar of values 4 & 3, similarly at x axis value 3 I need two bar of values 8 & 7, similarly at x axis value 4 I need two bar of values 10 & 9.
Guillaume le 18 Mar 2020
Again, this is very basic and the documentation of bar has plenty of examples:
bar([a; b].'); %vertically concatenate the two vector and transpose so they're in columns

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### Plus de réponses (1)

KSSV le 5 Mar 2020
That means....in the matrix A in the first row (1) the columns one to 9 are filled with [ 30, 25, 16, 32, 15, 37, 18, 3, 10,].
If you want only single array..can be used:
A = [ 30, 25, 16, 32, 15, 37, 18, 3, 10] ;
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mrituanjay kumar le 5 Mar 2020
Thanks

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