deepfold.utils.rigid_utils.rot_matmul¶ deepfold.utils.rigid_utils.rot_matmul(a: Tensor, b: Tensor) → Tensor[source]¶ Performs matrix multiplication of two rotation matrix tensors. Written out by hand to avoid AMP downcasting. Parameters: a – [*, 3, 3] left multiplicand b – [*, 3, 3] right multiplicand Returns: The product ab