essm 1.1

Environmental Science using Symbolic Math.

This package contains helpers to deal with physical variables and units.

The documentation is available on https://essm.rtfd.io/.

The quick installation for impatient users can be done by running:

pip install essm

Changes

v1.1

released 2020-12-20

Features

• utils: Enable supplementary_imports in VariableWriter and EquationWriter (PR #84)

v1.0.1

released 2020-11-05

Bug Fixes

• global: Allow dimensionless variables in functions (PR #94)

v1.0.0

released 2020-09-24

Bug Fixes

• utils: Update code to work with isort5 (PR #89)

Features

• global: Refactor code to work with sympy>=1.6 (PR #90)

v0.4.3

released 2020-06-18

Bug Fixes

• utils: Include expr in variable definitions when writing to file (PR #87)

Features

• documentation: Add use examples as Jupyter notebooks and integrate in documentation (PR #83)
• utils: Enable writers of .py files for re-import of variable and equation definitions (PR #84)

v0.4.2

released 2020-04-28

Bug Fixes

• utils: Improve markdown representation of units (PR #79)
• variables: Fix generate_metadata_table for selected variables (PR #80)

v0.4.1

released 2019-11-20

Bug Fixes

• equations: Improve dimensional testing of equations and substitution (PR #73)
• equations: Add support for Integral and Piecewise in Equation PR (PR #76)

Features

• utils: subs_eq() for simultaneous substitutions.(PR #75)

v0.3.0

released 2019-04-09

Bug Fixes

• equations: improve substitutions with equations (79ac37d)

Features

• utils: add definition to metadata table (3ceaa69)

v0.2.0

released 2019-04-04

• global: adapt to Python 3 and Sympy >=1.3
• global: removal of SageMath mentions
• docs: fix latex representation of x_O2 as x_{O2}
• equations: extend replace_variables
• equations: make .subs() on equation return an equality
• units: reverted missing dimension lookup
• variables: behave as Symbols
• variables: better markdown formatting of units
• variables: changes base class to Symbol
• variables: enableddictionaries with symbols in replace_variables
• variables: fix derive_unit for dimensionless expression
• variables: fix latex rendering
• variables: generate_metadata_table with HTML
• variables: include assumptions from cls attribute
• variables: modify derive_unit to work with summations
• variables: remove Dimension deprecation warnings
• variables: remove internal SI and refer to sympy.physics.units.systems.si
• variables: respect unit in variable with expr
• variables: set dimension and scale factor using method
• variables: support dimensionless variable expression
• variables: support replacing variables by their default values

v0.1.0

released 2017-06-29

• Initial public release.