v0.1.12

Symbolics v0.1.12

Diff since v0.1.11

Closed issues:

• Latexify of reciprocals is missing braces (#109)
• x^2.0 works for variable x, but something is wrong (#135)
• iszero returns false for Num(0.0) (#139)
• build_function with differentials error on 0.1.10 (#143)
• lower_varname loses parameters in derivative (#148)
• toexpr for mixed derivatives (#153)
• differentiation chain rule (#157)
• Expand ifelse to preserve the domain of its branches (#161)

Merged pull requests:

• add D.x to derivatives tutorial (#114) (@anandijain)
• Errors and propositions for tutorial (#151) (@KZiemian)
• Fix latexify for Num (#152) (@adamslc)
• Fix iszero(Num(0.0)) (#154) (@YingboMa)
• Speed up unflatten_long_ops by avoiding repeated re-sorting (#156) (@YingboMa)
• Corrections and changes in tutorials (#158) (@KZiemian)
• handle ifelse explicitly to avoid domain errors (#162) (@pepijndevos)
• allow transforming the Sym object in _parse_vars (@variables) (#163) (@shashi)