How to make an array that the elements are matrix

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Cassio Kruger 2019-5-3

关闭： MATLAB Answer Bot 2021-8-20

Hello, I need to do something like a structure where the elements are matrix (3x3):

graph.frontier = [[3x3],[3x3],[3x3],[3x3]]; %and so on

where I would like to append any new element to graph.frontier, so I can use an index to work with it.

I've tryed this:

graph.frontier = [];
initial_state = [7,2,4;5,0,6;8,3,1];
graph.frontier = append(initial_state);

But it didn't work. I'll use this to implement a BFS algo to solve a 8-tile puzzle.

Any ideias?

James Tursa 2019-5-3

Maybe use a cell array? E.g.,

graph.frontier = {[3x3],[3x3],[3x3],[3x3]};

You can then get at the matrices with curly braces, e.g. graph.frontier{1}

James Tursa 2019-5-4

graph.frontier(end+1) = {next_state};

Cassio Kruger 2019-5-4

Thanks a lot!!

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