# matrix_from_rows(_:_:) Returns a new matrix with the specified rows. ``` func matrix_from_rows(_ row0: SIMD4, _ row1: SIMD4) -> simd_double4x2 ``` --- 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)