Converting between java-matlab

Hello there.
Supposed that I have a list of points (that form a path)
that is dynamically grown (no size known a-priori) during
the running of my algorithm.

In matlab, I can use two solutions to add the next element
to the list, the first:

list = zeros(0,3);
list(end+1,:) = [newx, newy, newz];

which requires no further matlab conversion.

The second would be using java built in functionalities:

list = java.util.Vector();
list.add( [newx, newy, newz] );

However, to be able to use this data structure in further
computation I have to convert it to matlab arrays. The
documentation says that a call to "double( list )" solves
the problem but I get an error saying that conversion
between types is not possible.

The other way of converting would be to make a cycle that
scans the vector but we all know how matlab cycles are NOT
efficient.

Do you have any smart suggestion to provide for such a
simple problem? Either a way for converting the vector
efficiently or a completely new way to solve this problem


Thanks
--
Andrea
.

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