Implemeenting PDF in 6x9 format.

I did the work on chapter 1 just to start somewhere. Trying to make
the book fit nicely on a 6x9 book format.

.gitignore

@@ -8,5 +8,6 @@ short.pdf
 book.ipynb
 *.tex
 *.toc
+book.pdf
 Kalman_and_Bayesian_Filters_in_Python.pdf
 book_files

code/gh_internal.py

@@ -2,6 +2,41 @@ import numpy as np
 import pylab as plt
 from matplotlib.patches import Circle, Rectangle, Polygon, Arrow, FancyArrow
 import book_plots
+import book_format
+
+def plot_errorbar1():
+    with book_format.figsize(y=1.5):
+        book_plots.plot_errorbars([(160, 8, 'A'), (170, 8, 'B')],
+                                   xlims=(145, 185))
+
+def plot_errorbar2():
+    with book_format.figsize(y=1.5):
+        book_plots.plot_errorbars([(160, 3, 'A'), (170, 9, 'B')],
+                                   xlims=(145, 185))
+
+def plot_errorbar3():
+    with book_format.figsize(y=1.5):
+        book_plots.plot_errorbars([(160, 1, 'A'), (170, 9, 'B')], xlims=(145, 185))
+
+
+
+def plot_gh_results(weights, estimates, predictions):
+    n = len(weights)
+
+    xs = list(range(n+1))
+    book_plots.plot_filter(xs, estimates, marker='o')
+    book_plots.plot_measurements(xs[1:], weights, color='k', label='Scale', lines=False)
+    book_plots.plot_track([0, n], [160, 160+n], c='k', label='Actual Weight')
+    book_plots.plot_track(xs[1:], predictions, c='r', label='Predictions', marker='v')
+    book_plots.show_legend()
+    book_plots.set_labels(x='day', y='weight (lbs)')
+    plt.xlim([0, n])
+    plt.show()
+
+
+def print_results(estimates, prediction, weight):
+    print('previous: {:.2f}, prediction: {:.2f} estimate {:.2f}'.format(
+          estimates[-2], prediction, weight))
 
 def create_predict_update_chart(box_bg = '#CCCCCC',
                 arrow1 = '#88CCFF',

pdf/6x9build_book.bat

@@ -0,0 +1,5 @@
+copy /Y  ..\01-g-h-filter.ipynb book.ipynb
+
+ipython nbconvert --to latex --template book6x9 book.ipynb
+ipython to_pdf.py
+REM move /Y book.pdf book6x9.pdf

pdf/book6x9.tplx

@@ -0,0 +1,42 @@
+% Inherit from report
+((* extends 'report.tplx' *))
+ 
+((* set cell_style = 'style_ipython.tplx' *))
+
+((* block margins *))
+\geometry{verbose,papersize={6in, 9in}, tmargin=.5in,bmargin=.5in,lmargin=.5in,rmargin=.5in}
+((* endblock margins *))
+
+((*- block in_prompt -*))
+\mbox{ }\\ \\
+{In [{}(((cell.execution_count)))]:}
+((*- endblock in_prompt -*))
+
+((* block input scoped *))
+    ((( cell.source | highlight2latex )))
+((* endblock input *))
+
+
+((* block output_prompt *))
+\mbox{ }\\
+Out [{}(((cell.execution_count)))]:
+((* endblock output_prompt *))
+
+
+((* block docclass *))
+\documentclass{book}
+\setcounter{chapter}{0}
+((* endblock docclass *))
+ 
+((* block preamble *))
+((* endblock preamble *))
+ 
+((* block title *))
+\title{Kalman and Bayesian Filters in Python}
+\author{Roger R Labbe Jr}
+((* endblock title *))
+ 
+((* block markdowncell scoped *))
+    ((( cell.source | citation2latex | strip_files_prefix | markdown2latex(extra_args=["--chapters"]) )))
+((* endblock markdowncell *))
+