https://community.intel.com/t5/Intel-Fortran-Compiler/Sparse-Matrix-storage/m-p/992030#M101814 Library support for sparse matrices is included in the MKL library provided with ifort. Open source versions of that and other libraries are available. Fri, 14 Sep 2012 20:45:08 GMT TimP 2012-09-14T20:45:08Z https://community.intel.com/t5/Intel-Fortran-Compiler/Sparse-Matrix-storage/m-p/992029#M101813 <P>We have many 2 and 3 dimensional arrays which are allocated based on the size of the problem.&nbsp; We are running into memory overflow errors with large problems.&nbsp; These arrays are very sparse so I only need to store the non-zero elements.&nbsp; Is there a sparse matrix handler in Intel Fortran I could use, preferably with the same syntax, eg:</P> <P>a(i,j,k) = 123.456</P> <P>or xyz = a(i,j,k)</P> <P>to save replacing the occurrences in the code?</P> <P>Adrian</P> Fri, 14 Sep 2012 19:48:15 GMT https://community.intel.com/t5/Intel-Fortran-Compiler/Sparse-Matrix-storage/m-p/992029#M101813 Adrian_F_1 2012-09-14T19:48:15Z https://community.intel.com/t5/Intel-Fortran-Compiler/Sparse-Matrix-storage/m-p/992030#M101814 Library support for sparse matrices is included in the MKL library provided with ifort. Open source versions of that and other libraries are available. Fri, 14 Sep 2012 20:45:08 GMT https://community.intel.com/t5/Intel-Fortran-Compiler/Sparse-Matrix-storage/m-p/992030#M101814 TimP 2012-09-14T20:45:08Z