Eeshan Gupta
Eeshan Gupta
@dpsanders
@dpsanders Rebased "slope" and "debug-newton1d" branches onto this branch before adding more commits.
@dpsanders Transferred all the multidim stuff in this PR
Reference - Eldon Hansen and G. William Walster : Global Optimization Using Interval Analysis - Chapter 5 - Section 5.8
Fixes #1359 Added 11 test cases which demonstrate the partial substitution of Mul in mixed-variable terms as well. ping @isuruf