TODO for next release:
* ???

FEMoctave 2.1.2, 21.8.2023
-------------------------------
* an improved algorithm for nonlinear boundary value problems with one variable is available, including a few examples
* FEMdoc.pdf adapted and improved, more examples provided

New files
- BVP1DNL.m

-doc/Examples/
   Nonlinear1D/Pendulum.m
   Nonlinear1D/PorousCatalyst.m
   Nonlinear1D/Troesch.m

FEMoctave 2.1.1, 18.7.2023
-------------------------------
* a first algorithm for nonlinear boundary value problems with one variable is available
* FEMdoc.pdf adapted and improved, more examples provided

New files
- BVP1DNL.m
- FEM1DGaussPoints.m

-doc/Demos/
   NL_Newton.m
   ShortestConnection.m

-doc/Examples/
   SaltLakeCity2Zuerich/SaltLakeCity2Zuerich.m
   Keller/Keller.m
   Keller/Keller2.m
   Fisher/Fisher.m

FEMoctave 2.1.0, 30.6.2023
-------------------------------
* algorithms for 1D problems are available now, for static and dynamic boundary value problem, i.e. typical heat and wave equations
* FEMdoc.pdf adapted and improved, many more examples provided

New files
- BVP1D.m
- IBVP1D.m
- I2BVP1D.m
- BVP1Deig.m
- GenerateFEM1D.m
- pwquadinterp.m
- FEM1DEvaluateDu.m
- FEM1DGaussPoints.m
- GenerateWeight1D.m

- doc/Demos/
     ODE1.m
     HeatBall1D.m
     HeatingBallRadial.m
     Wave1D.m
     EigenvaluesDisc1D.m
     FEMInsideElement.m
     BVP1DSuperconvergence.m
     Test_C1conforming.m
     Stability1D_dynamic.m

- doc/Examples/
      HeatDynamic/HeatBallRadial.m
      HeatDynamic/HeatCylinder.m
      SoundWave/SoundWaveSpherical1D.m
      SoundWave/SoundWaveCylindrical1D.m
      WavePropagation/Reflection.m
      WavePropagation/MovingString.m
      Schroedinger/SchroedingerHarmonic.m
      Beam/BeamStretch.m
      Beam/BendingBeam1D.m
      Keller/Keller.m
      
FEMoctave 2.0.16, 19.5.2023
-------------------------------
* dummy arguments added in many demos and examples
* fixes, thanks to the Debian package
* FEMdoc.pdf adapted and improved

FEMoctave 2.0.13, 11.5.2023
-------------------------------
* modified versions of FEMEquation.m, FEMEquationQuad.m and FEMEquationCubic.m
  - can handle nonsymmetric problems now
  - the codes work, but are slower than compiled code
  - if possible use the compiled codes
* added Delaunay2Mesh.m
* bug in MeshUpgrade.m fixed for cubic meshes
* multiple bugs in demos and examples, concerning graphics
* CreateMeshTriangle.m improved for very small areas
* add BVP2DsymMean.m to EIT example

FEMoctave 2.0.10, 15.2.2023
-------------------------------
* update documentation in FEMdoc.pdf
* 3D elasticity with cylindrical symmetry
* an example for axisymetric elasticity problems
* new CreateMeshTriangle.m with options added for mesh adaptation
* cubic elements for elasticity problems, all codes adapted
* add the examples Wrench, RubberBox and WasherSpring
* add a test of null spaces TestNullSpace.m

New files
- PStressEquationCubicM.m
- AxiStress.m
- AxiStressEquationM.m
- AxiStressEquationQuadM.m
- AxiStressEquationCubicM.m
- EvaluateStressAxi.m
- EvaluateStrainAxi.m
- EvaluateVonMisesAxi.m
- EvaluateTrescaAxi.m
- EvaluatePrincipalStressAxi.m
- doc/Demos/TestNullSpace.m
- doc/Demos/AxiSymmetricExample.m
- doc/Examples/Elasticity/PipePressure.m
- doc/Examples/Elasticity/PipePressureAxi.m
- doc/Examples/Elasticity/Wrench.m
- doc/Examples/Elasticity/WrenchData.m
- doc/Examples/Elasticity/RubberBox.m
- doc/Examples/Elasticity/WasherSpring.m


FEMoctave 2.0.9, 17.11.2022
-------------------------------
* new codes for linear elasticity, plane stress  and plane strain
* documentation for elasticity, codes and examples
* example and demo codes for elasticity

New files
- PlaneStress.m
- PlaneStrain.m
- PStressEquationM.m
- PStressEquationQuadM.m
- EvaluateStress.m
- EvaluateStrain.m
- EvaluatePrincipalStress.m
- EvaluatevonMises.m
- EvaluateTresca.m
- BendingBeam.m
- ShearLocking.m
- EITforward.m
- PipePressure.m
- Crook.m


FEMoctave 2.0.8, 13.10.2022
-------------------------------
* new example applications on dynamic heat conduction
* new example for wave propagation, Kirchhoff diffraction pattern
* new example on the forward problem for EIT
* FEMdoc.pdf updated and typos corrected
* fix for FEMgriddata(), now one point evaluation works too
* bugs in BVP2Dsym.m and eigSmall.m removed
* bug in IBVP.m, IBVPsym.m and I2BVP2D.m removed
* MeshDeform.m added, sorry forgot to add it to release 2.0.5

FEMoctave 2.0.5, 30. Sept. 2022
-------------------------------
* new triangular elements of order 3 with 10 nodes, code and documentation
* syntax of FEMtrimesh(), FEMtrisurf() and FEMtricontour() simplified
* new function MeshDeform()
* new version of tricontour.m
* considerably improved documentation in FEMdoc.pdf
* comparison of linear, quadratic and cubic elements added
* description of the effect on dynamic problems of eigenvalues added
* MeshUpgrade(), MeshQuad2Linear() and MeshCubic2Linear() improved or new
* a few small bugs removed

FEMoctave 2.0.4
---------------------
* updated for Octave 7.1

FEMoctave 2.0.1
---------------------
* first version of FEMoctave in 2020
* providing the codes
* providing a package manual,

