An ANSI C library for matrix operations.
About NMat
http://dystopiancode.blogspot.ro/2012/08/the-nmat-library.html
Creating, Destroying and Copying a Matrix
http://dystopiancode.blogspot.com/2011/11/defining-numeric-matrix-structure-in-c.html
The Sum and Product of Two Matrices
http://dystopiancode.blogspot.com/2011/10/sum-and-product-of-two-matrices-in-c.html
The Minor of a Matrix
http://dystopiancode.blogspot.com/2011/10/minor-of-matrix-in-c.html
The Determinant of a Matrix
http://dystopiancode.blogspot.com/2011/10/determinant-of-matrix-in-c.html
The Transpose, Adjugate and Inverse of a Matrix
http://dystopiancode.blogspot.com/2011/10/transpose-adjutant-and-inverse-of.html
Other Operations
http://dystopiancode.blogspot.ro/2012/08/other-matrix-operations-in-nmat.html