👉 In the context of mathematics and computer science, a "salvage" operation is an operation that removes some or all of the data from a mathematical object (such as a vector, matrix, or function) to create a new object. It can be used for various reasons such as cleaning up memory, reducing the size of the data, or preparing it for further processing. Salvage operations are often used in software development and machine learning tasks where you need to clean up large datasets before using