https://communities.sas.com/t5/SAS-IML-Software-and-Matrix/How-to-do-numerical-integration-with-matrix-integrant-in-IML/m-p/8539#M4 Please post an example or pseudo code of what you want to do. Wed, 28 Oct 2009 19:55:38 GMT Rick_SAS 2009-10-28T19:55:38Z https://communities.sas.com/t5/SAS-IML-Software-and-Matrix/How-to-do-numerical-integration-with-matrix-integrant-in-IML/m-p/8538#M3 How to do numerical integration with matrix integrant in IML? Wed, 28 Oct 2009 05:50:01 GMT https://communities.sas.com/t5/SAS-IML-Software-and-Matrix/How-to-do-numerical-integration-with-matrix-integrant-in-IML/m-p/8538#M3 Steve_Shanghai 2009-10-28T05:50:01Z https://communities.sas.com/t5/SAS-IML-Software-and-Matrix/How-to-do-numerical-integration-with-matrix-integrant-in-IML/m-p/8539#M4 Please post an example or pseudo code of what you want to do. Wed, 28 Oct 2009 19:55:38 GMT https://communities.sas.com/t5/SAS-IML-Software-and-Matrix/How-to-do-numerical-integration-with-matrix-integrant-in-IML/m-p/8539#M4 Rick_SAS 2009-10-28T19:55:38Z https://communities.sas.com/t5/SAS-IML-Software-and-Matrix/How-to-do-numerical-integration-with-matrix-integrant-in-IML/m-p/8540#M5 Do you mean a double integral?<BR /> See <A href="http://blogs.sas.com/iml/index.php?/archives/35-Evaluating-an-Iterated-Integral.html" target="_blank">http://blogs.sas.com/iml/index.php?/archives/35-Evaluating-an-Iterated-Integral.html</A> Wed, 27 Oct 2010 10:38:31 GMT https://communities.sas.com/t5/SAS-IML-Software-and-Matrix/How-to-do-numerical-integration-with-matrix-integrant-in-IML/m-p/8540#M5 Rick_SAS 2010-10-27T10:38:31Z