add index to matrix's rows

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Maryam Hamrahi
Maryam Hamrahi 2016-6-1
评论： Maryam Hamrahi 2016-6-1
I have a matrix like below:
A= [1 2 4
3 4 2
2 4 5]
With n rows and three columns. I would like to create the following
1: 1 2 4
1: 3 4 2
1: 2 4 5
Thank you all in advance.
  2 个评论
the cyclist
the cyclist 2016-6-1
Can you be more specific about what you mean by "I would like to create the following"? For example, do you want to
  • display those strings to the command window?
  • create or display a cell array with text and numeric entries?
Please give us more detail.
Maryam Hamrahi
Maryam Hamrahi 2016-6-1
I would like to print the data like below:
I think it would be better if I do it with fprintf
what is your suggestion?
1: 1 2 4
1: 3 4 2
1: 2 4 5

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the cyclist
the cyclist 2016-6-1
编辑：the cyclist 2016-6-1
Here's one way:
fprintf('1: %d %d %d\n',A')
For more complicated examples, you might want to read about the formatSpec in the documentation for fprintf.

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