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From: Fangjun Jiang on 30 Jul 2010 15:59
In this particular case,
a=str2num(line)
a =

1 -1 5 5 -3

Not sure if it will work for all your strings.

"Mike " <mikejcunningham(a)gmail.com> wrote in message <i2v9hn$d9f$1(a)fred.mathworks.com>...
> I am having an issue reading in both negative and positive numbers from a string.
>
> I have a string:
>
> line = '1 -1 5 5 -3'
>
> and I want to read in each number...
>
> I'm using regexp but cannot get it to read both negative and positive numbers
>
> I have
>
> x = regexp(line,'[-]\d+','match')
>
> which returns only the negative numbers
>
> or doing
>
> x = regexp(line,'\d+','match')
>
> returns all numbers but positive.
>
> I don't understand the expressions in regexp very well, thus I can't get this to work.
>
> Thanks for any help!
> --
> Mike
From: reza on 30 Jul 2010 16:08
And yet another way to this:

eval(['[' line ']'])

/m

On Jul 30, 3:35 pm, "Mike " <mikejcunning...(a)gmail.com> wrote:
> I am having an issue reading in both negative and positive numbers from a string.
>
> I have a string:
>
> line = '1 -1 5 5 -3'
>
> and I want to read in each number...
>
> I'm using regexp but cannot get it to read both negative and positive numbers

>
> I have
>
> x = regexp(line,'[-]\d+','match')
>
> which returns only the negative numbers
>
> or doing
>
> x = regexp(line,'\d+','match')
>
> returns all numbers but positive.
>
> I don't understand the expressions in regexp very well, thus I can't get this to work.
>
> Thanks for any help!
> --
> Mike

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