Split 1D array and form 2D array

[Nextal]

Hi,

How to split 1D array to 2D array, depending on the number specified.

e.g I want to group 2 data at a time.

1D array: 300 200 98 77 66 662 53 120 to

2D array: 300 200

              98   77

              66   662

              53   120

Thanks!!!

[TiTou]

You can use the "decimate 1D array" primitive (this will split your 1D array into 2 1D arrays) followed by a build array to "join" your two 1D arrays into a 2D array.

Hope this helps

[Nextal]

Hi Titou,

what if I want more than 2 e.g 30?

[TiTou]

A 30 dimensions array?? Do you have a use case for that??

The decimate primitive is expandable so is the build array so you can do more than 2, but 30... sounds extreme.

[Nextal]

I mean I got a 1D array with 900 data and want to group by 30.

That means every 30 data I want to turn it into a 1d array after that using all the 1d array I want to build a 2D array. How should I do that? 

[TiTou]

side note : apparently there are some users out there who use a higher than usual number of dimensions 

[TiTou]

---

@Nextal wrote:

I mean I got a 1D array with 900 data and want to group by 30.

That means every 30 data I want to turn it into a 1d array after that using all the 1d array I want to build a 2D array. How should I do that? 

---

Oh, sorry... to do that you have to use a different technique. The "reshape array" is your friend, you candrag it down to add dimensions to the output array (2 in your case) and set the dimensions' size (30 and 30 in the case you mention).

Hope this helps

[Nextal]

Hi Titou,

I am sorry for being not clear.

I have a 1D array with 900 row.

Every 30 row I want to create a 1D array.

So at the end I will have 30 1D array next I want to get a 2D array using this 30 1D array. How should I implement this?

[Nextal]

Sorry I didn't see you reply and post again I will try the reshape functions.

[Nextal]

Thanks, this is what I want. 🙂