From b73099951cd937855cede976f437161146c9bb97 Mon Sep 17 00:00:00 2001
From: mmcky <mamckay@gmail.com>
Date: Tue, 3 Nov 2020 11:34:00 +1100
Subject: [PATCH 1/6] test control of output image size

---
 lectures/geom_series.md | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/lectures/geom_series.md b/lectures/geom_series.md
index 2501ed129..84eb7b997 100644
--- a/lectures/geom_series.md
+++ b/lectures/geom_series.md
@@ -803,6 +803,11 @@ represents our present value formula for an infinite lease.
 After that, we'll use SymPy to compute derivatives
 
 ```{code-cell} python3
+---
+render:
+  image:
+    width: 200px
+---
 # Creates algebraic symbols that can be used in an algebraic expression
 g, r, x0 = sym.symbols('g, r, x0')
 G = (1 + g)

From d1567f6866583165880600e93994c92d22aa16c5 Mon Sep 17 00:00:00 2001
From: mmcky <mamckay@gmail.com>
Date: Tue, 3 Nov 2020 13:21:16 +1100
Subject: [PATCH 2/6] use latex output for math

---
 lectures/geom_series.md | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/lectures/geom_series.md b/lectures/geom_series.md
index 84eb7b997..e0e026b50 100644
--- a/lectures/geom_series.md
+++ b/lectures/geom_series.md
@@ -803,17 +803,12 @@ represents our present value formula for an infinite lease.
 After that, we'll use SymPy to compute derivatives
 
 ```{code-cell} python3
----
-render:
-  image:
-    width: 200px
----
 # Creates algebraic symbols that can be used in an algebraic expression
 g, r, x0 = sym.symbols('g, r, x0')
 G = (1 + g)
 R = (1 + r)
 p0 = x0 / (1 - G * R**(-1))
-init_printing()
+init_printing(use_latex=True)
 print('Our formula is:')
 p0
 ```

From bb62e6b453df2223cb1ba86f93df289c0b147ef5 Mon Sep 17 00:00:00 2001
From: mmcky <mamckay@gmail.com>
Date: Tue, 3 Nov 2020 17:44:49 +1100
Subject: [PATCH 3/6] see if latex function returns LaTeX mime type

---
 lectures/geom_series.md | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/lectures/geom_series.md b/lectures/geom_series.md
index e0e026b50..db7c061b3 100644
--- a/lectures/geom_series.md
+++ b/lectures/geom_series.md
@@ -53,7 +53,7 @@ import matplotlib.pyplot as plt
 %matplotlib inline
 import numpy as np
 import sympy as sym
-from sympy import init_printing
+from sympy import init_printing, latex
 from matplotlib import cm
 from mpl_toolkits.mplot3d import Axes3D
 ```
@@ -808,9 +808,9 @@ g, r, x0 = sym.symbols('g, r, x0')
 G = (1 + g)
 R = (1 + r)
 p0 = x0 / (1 - G * R**(-1))
-init_printing(use_latex=True)
+init_printing()
 print('Our formula is:')
-p0
+latex(p0)
 ```
 
 ```{code-cell} python3

From 3e5397eba80164e0b3ffa28cc45aaf0e3882c3ae Mon Sep 17 00:00:00 2001
From: mmcky <mamckay@gmail.com>
Date: Tue, 3 Nov 2020 18:34:11 +1100
Subject: [PATCH 4/6] show tex with mathjax

---
 lectures/geom_series.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lectures/geom_series.md b/lectures/geom_series.md
index db7c061b3..9dc750b71 100644
--- a/lectures/geom_series.md
+++ b/lectures/geom_series.md
@@ -808,7 +808,7 @@ g, r, x0 = sym.symbols('g, r, x0')
 G = (1 + g)
 R = (1 + r)
 p0 = x0 / (1 - G * R**(-1))
-init_printing()
+init_printing(use_latex='mathjax')
 print('Our formula is:')
 latex(p0)
 ```

From 188eb6dc0236580a0621ab76a4fc76de0b621884 Mon Sep 17 00:00:00 2001
From: mmcky <mamckay@gmail.com>
Date: Tue, 3 Nov 2020 19:02:14 +1100
Subject: [PATCH 5/6] remove latex translation for first box

---
 lectures/geom_series.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lectures/geom_series.md b/lectures/geom_series.md
index 9dc750b71..05232d17d 100644
--- a/lectures/geom_series.md
+++ b/lectures/geom_series.md
@@ -810,7 +810,7 @@ R = (1 + r)
 p0 = x0 / (1 - G * R**(-1))
 init_printing(use_latex='mathjax')
 print('Our formula is:')
-latex(p0)
+p0
 ```
 
 ```{code-cell} python3

From d4fdc420f100b30160d597756c1297dd984d8111 Mon Sep 17 00:00:00 2001
From: mmcky <mamckay@gmail.com>
Date: Fri, 5 Mar 2021 10:56:26 +1100
Subject: [PATCH 6/6] set default figure size

---
 lectures/geom_series.md | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lectures/geom_series.md b/lectures/geom_series.md
index bbb3255fb..a3b0fa2d7 100644
--- a/lectures/geom_series.md
+++ b/lectures/geom_series.md
@@ -49,8 +49,9 @@ These and other applications prove the truth of the wise crack that
 Below we'll use the following imports:
 
 ```{code-cell} ipython
-import matplotlib.pyplot as plt
 %matplotlib inline
+import matplotlib.pyplot as plt
+plt.rcParams["figure.figsize"] = (11, 5)  #set default figure size
 import numpy as np
 import sympy as sym
 from sympy import init_printing, latex