Why can't I reshape my 4-D array?

Hello, I'm unable to reshape my 4-D array for some reason and cannot figure out why. The number of elements in the two arrays are equal. I would like to keep the first dimension (even though it only has one row because it's required for the brain imaging software I'm using). I've pasted my command and the error below.

Thanks in advance, -Erie

frtf_D_epoched = reshape(ctf_dD,1,40,800,75) Error using reshape To RESHAPE the number of elements must not change.

>> size(ctf_dD)

ans =

           1          40       60000           1

>> 1*40*60000*1

ans =

     2400000

>> 1*40*800*75

ans =

     2400000

Answer 1

[Azzi Abdelmalek]

You are probably using data with different number of elements

Try this

ctf_dD=rand(1,40,60000,1);
b=reshape(ctf_dD,1,40,800,75);