Dear support Holding symbolic expressions has been requested several times here. For example [1]-][4]. Is there something new in this topic? Now or in near future?
I tried to write class for working with determinants without evaluating. The very rough experimental code is at [5] (Sage worksheet is attached to PDF file). It is my first attempt in object programming. However any criticism and constructive remarks (like "this is a way which can be used" or "this will cause big troubles, do it like this or that") are wellcomed. [1] http://groups.google.cz/group/sage-edu/browse_thread/thread/e6232706aae746ae/fa5d9a3135cf22fa?lnk=gst&q=laplace#fa5d9a3135cf22fa [2] http://groups.google.cz/group/sage-support/browse_thread/thread/7cb33271dff797eb/878d6363dfad0d3f [3] http://groups.google.com/group/sage-support/browse_thread/thread/69b20e7e9f71492f/4d577f3330363767?#4d577f3330363767 [4] http://groups.google.cz/group/sage-support/browse_thread/thread/252016c70bcafcf5/8f80aa2bc45888c4?lnk=gst&q=hold#8f80aa2bc45888c4 [5] http://user.mendelu.cz/marik/sage/determinant.pdf -- To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/sage-support URL: http://www.sagemath.org
