Re: Problem with data conversion

[Andy Buckle]

On 8 December 2011 12:43, Raasch, Hendrik (external)
<address@hidden> wrote:
>
> Hello,
>
> I have a problem with matrices. Check the following:
>
> octave:88> p_v
> p_v =
>
>   1  1  1  1
>
> octave:89> time_tmp
> time_tmp =
>
>    3.8593e+08   3.8593e+08   3.8593e+08   3.8593e+08
>
> octave:90> [rot90(time_tmp), rot90(p_v)]
> ans =
>
>   255    1
>   255    1
>   255    1
>   255    1
>
>
> Why is the time_tmp data converted from an floating point value into an eight 
> bit integer??
>
> I assume, that I have just done something wrong. So, can someone tell me what 
> is the correct way of doing this?
>
> Regards,
> HR

I guess because p_v is uint8, and you are concatenating with it.

>[rot90(time_tmp) rot90(p_v)]
ans =

  255    1
  255    1
  255    1
  255    1

>[rot90(time_tmp) rot90(double(p_v))]
ans =

   385930000           1
   385930000           1
   385930000           1
   385930000           1

>

--
/* andy buckle */