# Pointwise Matrix Operations Create, insert values into, and extract values from a pointwise sparse matrix. ## Topics ### Matrix creation and population [`func sparse_matrix_create_double(sparse_dimension, sparse_dimension) -> sparse_matrix_double!`](/documentation/Accelerate/sparse_matrix_create_double(_:_:)) Returns a double-precision sparse matrix object. [`func sparse_matrix_create_float(sparse_dimension, sparse_dimension) -> sparse_matrix_float!`](/documentation/Accelerate/sparse_matrix_create_float(_:_:)) Returns a single-precision sparse matrix object. [`func sparse_insert_entry_double(sparse_matrix_double!, Double, sparse_index, sparse_index) -> sparse_status`](/documentation/Accelerate/sparse_insert_entry_double(_:_:_:_:)) Inserts a single scalar entry into a double-precision sparse matrix. [`func sparse_insert_entry_float(sparse_matrix_float!, Float, sparse_index, sparse_index) -> sparse_status`](/documentation/Accelerate/sparse_insert_entry_float(_:_:_:_:)) Inserts a single scalar entry into a single-precision sparse matrix. [`func sparse_insert_entries_double(sparse_matrix_double!, sparse_dimension, UnsafePointer!, UnsafePointer!, UnsafePointer!) -> sparse_status`](/documentation/Accelerate/sparse_insert_entries_double(_:_:_:_:_:)) Inserts a list of scalar entries into a double-precision sparse matrix. [`func sparse_insert_entries_float(sparse_matrix_float!, sparse_dimension, UnsafePointer!, UnsafePointer!, UnsafePointer!) -> sparse_status`](/documentation/Accelerate/sparse_insert_entries_float(_:_:_:_:_:)) Inserts a list of scalar entries into a single-precision sparse matrix. [`func sparse_insert_col_double(sparse_matrix_double!, sparse_index, sparse_dimension, UnsafePointer!, UnsafePointer!) -> sparse_status`](/documentation/Accelerate/sparse_insert_col_double(_:_:_:_:_:)) Inserts a list of scalar entries into a single column of a double-precision sparse matrix. [`func sparse_insert_col_float(sparse_matrix_float!, sparse_index, sparse_dimension, UnsafePointer!, UnsafePointer!) -> sparse_status`](/documentation/Accelerate/sparse_insert_col_float(_:_:_:_:_:)) Inserts a list of scalar entries into a single column of a single-precision sparse matrix. [`func sparse_insert_row_double(sparse_matrix_double!, sparse_index, sparse_dimension, UnsafePointer!, UnsafePointer!) -> sparse_status`](/documentation/Accelerate/sparse_insert_row_double(_:_:_:_:_:)) Inserts a list of scalar entries into a single row of a double-precision sparse matrix. [`func sparse_insert_row_float(sparse_matrix_float!, sparse_index, sparse_dimension, UnsafePointer!, UnsafePointer!) -> sparse_status`](/documentation/Accelerate/sparse_insert_row_float(_:_:_:_:_:)) Inserts a list of scalar entries into a single row of a single-precision sparse matrix. ### Complex matrix creation and population [`func sparse_matrix_create_double_complex(sparse_dimension, sparse_dimension) -> sparse_matrix_double_complex!`](/documentation/Accelerate/sparse_matrix_create_double_complex(_:_:)) [`func sparse_matrix_create_float_complex(sparse_dimension, sparse_dimension) -> sparse_matrix_float_complex!`](/documentation/Accelerate/sparse_matrix_create_float_complex(_:_:)) ### Value insertion [`func sparse_insert_col_double_complex(sparse_matrix_double_complex!, sparse_index, sparse_dimension, OpaquePointer!, UnsafePointer!) -> sparse_status`](/documentation/Accelerate/sparse_insert_col_double_complex(_:_:_:_:_:)) [`func sparse_insert_col_float_complex(sparse_matrix_float_complex!, sparse_index, sparse_dimension, OpaquePointer!, UnsafePointer!) -> sparse_status`](/documentation/Accelerate/sparse_insert_col_float_complex(_:_:_:_:_:)) [`func sparse_insert_entries_double_complex(sparse_matrix_double_complex!, sparse_dimension, OpaquePointer!, UnsafePointer!, UnsafePointer!) -> sparse_status`](/documentation/Accelerate/sparse_insert_entries_double_complex(_:_:_:_:_:)) [`func sparse_insert_entries_float_complex(sparse_matrix_float_complex!, sparse_dimension, OpaquePointer!, UnsafePointer!, UnsafePointer!) -> sparse_status`](/documentation/Accelerate/sparse_insert_entries_float_complex(_:_:_:_:_:)) [`func sparse_insert_row_double_complex(sparse_matrix_double_complex!, sparse_index, sparse_dimension, OpaquePointer!, UnsafePointer!) -> sparse_status`](/documentation/Accelerate/sparse_insert_row_double_complex(_:_:_:_:_:)) [`func sparse_insert_row_float_complex(sparse_matrix_float_complex!, sparse_index, sparse_dimension, OpaquePointer!, UnsafePointer!) -> sparse_status`](/documentation/Accelerate/sparse_insert_row_float_complex(_:_:_:_:_:)) ### Value extraction [`func sparse_extract_sparse_row_double(sparse_matrix_double!, sparse_index, sparse_index, UnsafeMutablePointer!, sparse_dimension, UnsafeMutablePointer!, UnsafeMutablePointer!) -> sparse_status`](/documentation/Accelerate/sparse_extract_sparse_row_double(_:_:_:_:_:_:_:)) Extracts values from a specified row of a double-precision sparse matrix. [`func sparse_extract_sparse_row_float(sparse_matrix_float!, sparse_index, sparse_index, UnsafeMutablePointer!, sparse_dimension, UnsafeMutablePointer!, UnsafeMutablePointer!) -> sparse_status`](/documentation/Accelerate/sparse_extract_sparse_row_float(_:_:_:_:_:_:_:)) Extracts values from a specified row of a single-precision sparse matrix. [`func sparse_extract_sparse_column_double(sparse_matrix_double!, sparse_index, sparse_index, UnsafeMutablePointer!, sparse_dimension, UnsafeMutablePointer!, UnsafeMutablePointer!) -> sparse_status`](/documentation/Accelerate/sparse_extract_sparse_column_double(_:_:_:_:_:_:_:)) Extracts values from a specified column of a double-precision sparse matrix. [`func sparse_extract_sparse_column_float(sparse_matrix_float!, sparse_index, sparse_index, UnsafeMutablePointer!, sparse_dimension, UnsafeMutablePointer!, UnsafeMutablePointer!) -> sparse_status`](/documentation/Accelerate/sparse_extract_sparse_column_float(_:_:_:_:_:_:_:)) Extracts values from a specified column of a single-precision sparse matrix. [`func sparse_extract_sparse_column_double_complex(sparse_matrix_double_complex!, sparse_index, sparse_index, UnsafeMutablePointer!, sparse_dimension, OpaquePointer!, UnsafeMutablePointer!) -> sparse_status`](/documentation/Accelerate/sparse_extract_sparse_column_double_complex(_:_:_:_:_:_:_:)) [`func sparse_extract_sparse_column_float_complex(sparse_matrix_float_complex!, sparse_index, sparse_index, UnsafeMutablePointer!, sparse_dimension, OpaquePointer!, UnsafeMutablePointer!) -> sparse_status`](/documentation/Accelerate/sparse_extract_sparse_column_float_complex(_:_:_:_:_:_:_:)) [`func sparse_extract_sparse_row_float_complex(sparse_matrix_float_complex!, sparse_index, sparse_index, UnsafeMutablePointer!, sparse_dimension, OpaquePointer!, UnsafeMutablePointer!) -> sparse_status`](/documentation/Accelerate/sparse_extract_sparse_row_float_complex(_:_:_:_:_:_:_:)) [`func sparse_extract_sparse_row_double_complex(sparse_matrix_double_complex!, sparse_index, sparse_index, UnsafeMutablePointer!, sparse_dimension, OpaquePointer!, UnsafeMutablePointer!) -> sparse_status`](/documentation/Accelerate/sparse_extract_sparse_row_double_complex(_:_:_:_:_:_:_:)) ### Supporting types [`typealias sparse_dimension`](/documentation/Accelerate/sparse_dimension) The dimension type. [`typealias sparse_index`](/documentation/Accelerate/sparse_index) The index type. [`typealias sparse_matrix_double`](/documentation/Accelerate/sparse_matrix_double) Sparse matrix opaque type for double. [`typealias sparse_matrix_float`](/documentation/Accelerate/sparse_matrix_float) Sparse matrix opaque type for float. [`struct sparse_status`](/documentation/Accelerate/sparse_status) The type reflecting the status of an operations. --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)