matlab unsqueeze

Matlab中没有像numpy和PyTorch中的unsqueeze()函数，用于增加维度。相反，Matlab可以直接通过赋值来扩展维度。例如，对于一个三维数组data，可以使用data_stack(0, :, :, :) = data(:, :, :)来将其拓展为四维。这样做无需额外的扩维操作。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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