MATLAB Extracting a Column from a 4D Double Array in MATLAB using Squeeze

[afallingbomb]

Hello,

I'd like to access a column of values from the 4th dimension of a 4D Double array in MATLAB and then save them to a new matrix.

For example:

A = rand(3,3,3,3);
A(1,1,1,:)

gives me:

ans(:,:,1,1) =
0.7077

ans(:,:,1,2) =
0.0669

ans(:,:,1,3) =
0.7794

I want to create a new matrix, B, with those values but specifying B = A(1,1,1,:) results in the same output above. I want a vector in this form:

0.7077
0.0669
0.7794

Thank you!

 

[shoehorn]

Your use of the colon operator is incorrect. See the Matlab docs on this subject for an explanation of how to subscript an array in the way you want.

 

[matonski]

Just put squeeze in front.

squeeze(A(1,1,1,

 

[afallingbomb]

Thanks, Matonski. Squeeze does the trick!