v0.1.31

Symbolics v0.1.31

Diff since v0.1.30

Merged pull requests:

• degree function (#241) (@iliailmer)
• Return nothing when !check and !islinear (#258) (@YingboMa)

v0.1.30

Symbolics v0.1.30

Diff since v0.1.29

Closed issues:

• Vector variables with negative indices? (#133)

Merged pull requests:

• Add support for negative index (#252) (@charleskawczynski)

v0.1.29

Symbolics v0.1.29

Diff since v0.1.28

Closed issues:

• No matching methods for symbolic rationals (#215)

Merged pull requests:

• SymPy interop (#250) (@YingboMa)

v0.1.28

Symbolics v0.1.28

Diff since v0.1.27

Merged pull requests:

• More robust symbolic scalar linear solve (#248) (@YingboMa)

v0.1.27

Symbolics v0.1.27

Diff since v0.1.26

Closed issues:

• solve_for fails in simple use case (#246)

Merged pull requests:

• Add domains (#245) (@tinosulzer)
• Fix #246 (#247) (@YingboMa)

v0.1.26

Symbolics v0.1.26

Diff since v0.1.25

Closed issues:

• substitute throws TypeError (#231)
• Substitute weird error (#233)
• Add a coefficient function (#236)
• isaffine should not use hessian (#237)
• Symbolics.hessian giving wrong result (#243)

Merged pull requests:

• CompatHelper: bump compat for "Distributions" to "0.25" (#227) (@github-actions[bot])
• CompatHelper: bump compat for "AbstractAlgebra" to "0.17" (#229) (@github-actions[bot])
• Add citation information (#239) (@ChrisRackauckas)
• Eagerly evaluate registered function if arguments are not symbolic (#244) (@YingboMa)

v0.1.25

Symbolics v0.1.25

Diff since v0.1.24

Closed issues:

• Unnecessary tupling of arrays of variables (#36)
• Sparse vector support (#6)
• Support for norms (#15)
• Double inequalities (#8)
• Simplification no able to multiply (#30)
• "ERROR: LoadError: syntax: "3" is not a valid function argument name" when including saved Julia expressions with var"x(t)" style names (#22)
• Simplified API functions for creating Variables (#23)
• First version checklist (#1)
• norm on symbolic vector (#82)
• WARNING: both SymbolicUtils and LinearAlgebra export "cond"; uses of it in module Symbolics must be qualified (#120)
• Declaring two variables with incorrect syntax causes a Core Dump (#127)
• Rename polynormalize to expand (#134)
• Why does build_function accept arrays? (#171)
• Can't use Zygote.gradient on Symbolics.jl Matrix Functions (#199)
• add ! (#206)
• islinear fails on single symbol equations (#210)
• issue with solve_for with 5x5 system (#214)
• \pi not handled properly (#221)
• Error when precompling Symbolics (#224)
• non-boolean (Num) used in boolean context - How can I fix this? (#225)

Merged pull requests:

• Fix typos in src/register.jl (#219) (@waldyrious)
• Overload boolean operations (#226) (@YingboMa)

v0.1.24

Symbolics v0.1.24

Diff since v0.1.23

Merged pull requests:

• Add interpolation in @variables to create symbolic variables from runtime symbol values (#218) (@YingboMa)

v0.1.23

Symbolics v0.1.23

Diff since v0.1.22

Merged pull requests:

• Interpolate everything in the register macro & better docs (#217) (@YingboMa)

v0.1.22

Symbolics v0.1.22

Diff since v0.1.21

Closed issues:

• non-boolean (Num) used in boolean context in substitute (#69)

Merged pull requests:

• add isone(::Num) (#198) (@pepijndevos)
• Fix equation substitute (#213) (@YingboMa)