# tensorplay.nn.functional.fractional_max_pool3d_with_indices Source: https://www.tensorplay.cn/docs/generated/tensorplay.nn.functional.fractional_max_pool3d_with_indices.html ```python tensorplay.nn.functional.fractional_max_pool3d_with_indices(input: Tensor, kernel_size, output_size=None, output_ratio=None, return_indices: bool = True, _random_samples=None) ``` Applies 3D fractional max pooling over an input signal composed of several input planes, returning (output, indices). Each plane consumes three random samples ordered (T, H, W), matching