The Harwell-Boeing file format (also known as HB format ) is a

file format A file format is a standard way that information is encoded for storage in a computer file. It specifies how bits are used to encode information in a digital storage medium. File formats may be either proprietary or free. Some file formats ...

designed to store information used to describe

sparse matrices In numerical analysis and scientific computing, a sparse matrix or sparse array is a matrix in which most of the elements are zero. There is no strict definition regarding the proportion of zero-value elements for a matrix to qualify as sparse b ...

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HB Files Harwell Boeing Sparse Matrix File Format
a detailed description of the HB format Computer file formats {{storage-software-stub

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