Merge pull request #21 from gjbex/development

Add sympy plotting backends

Author: gjbex

source-code/sympy/README.md

@@ -9,4 +9,5 @@ Some simple sympy examples.
     number of digits of the factorial of a number.
 1. `pendulums.ipynb`: Notebook on using the Euler-Lagrange equations to derive
    the equation for the motion of pendulumns.
-1. `img`: images for notebooks.
+1. `plotting`: illustration of using alternative backends for plots in sympy.
+1. `img`: images for notebooks.

source-code/sympy/plotting/README.md

@@ -0,0 +1,15 @@
+# Plotting
+
+Illustration of various plots in sympy, also illustrating the
+use of alternative backends such as Bokeh.  Also some examples
+of interactive plots implemented either using sympy plotting
+backends package or ipywidgets.
+
+
+## What is it?
+
+1. `plotting_backends.ipynb`: Jupyter notebook illustrating the
+   use of the sympy plotting backends package, as well as various
+   types of (interactive) plots.
+1. `environment.yml`: conda environment that contains the packages
+   to run the notebooks and scripts.

source-code/sympy/plotting/environment.yml

@@ -0,0 +1,17 @@
+name: sympy_plotting
+channels:
+  - conda-forge
+dependencies:
+  - sympy
+  - jupyterlab
+  - ipywidgets
+  - ipywidgets_bokeh
+  - sympy_plot_backends
+  - ca-certificates
+  - certifi
+  - openssl
+  - colorcet
+  - adaptive
+  - ipympl
+  - plotly
+prefix: /home/gjb/mambaforge/envs/sympy_plotting