From 095fb50a7b09b29660ab9803bda5a26219bbd1e4 Mon Sep 17 00:00:00 2001
From: Blaise Thompson <blaise@untzag.com>
Date: Wed, 14 Nov 2018 12:00:41 -0600
Subject: 2018-11-14 12:00

---
 data/2018-11-14/load.png  | Bin 0 -> 97797 bytes
 data/2018-11-14/load.txt  |  25 +++++++++++++++++++++++++
 data/2018-11-14/workup.py |  25 +++++++++++++++++++++++++
 3 files changed, 50 insertions(+)
 create mode 100644 data/2018-11-14/load.png
 create mode 100644 data/2018-11-14/load.txt
 create mode 100644 data/2018-11-14/workup.py

(limited to 'data/2018-11-14')

diff --git a/data/2018-11-14/load.png b/data/2018-11-14/load.png
new file mode 100644
index 0000000..9009409
Binary files /dev/null and b/data/2018-11-14/load.png differ
diff --git a/data/2018-11-14/load.txt b/data/2018-11-14/load.txt
new file mode 100644
index 0000000..41344c8
--- /dev/null
+++ b/data/2018-11-14/load.txt
@@ -0,0 +1,25 @@
+# load (ohms),R (mV),L (mV)
+15,17.8,17.3
+22,24.7,23.9
+33,35.4,34.2
+47,46.2,44.8
+68,70,4.68.4
+100,99.8,97.2
+150,164.4,160.3
+220,224.8,219.4
+330,339.2,331.4
+470,465,455
+680,708,693
+1000,1230,1204
+1500,1522,1489
+2200,2267,2218
+3300,3258,3183
+4700,4770,4670
+6800,6460,6330
+10000,9950,9650
+15000,13440,13440
+22000,13470,13480
+33000,13510,13520
+47000,13540,13550
+68000,13560,13570
+100000,13580,13580
diff --git a/data/2018-11-14/workup.py b/data/2018-11-14/workup.py
new file mode 100644
index 0000000..9103bdf
--- /dev/null
+++ b/data/2018-11-14/workup.py
@@ -0,0 +1,25 @@
+import pathlib
+import numpy as np
+import matplotlib.pyplot as plt
+
+__here__ = pathlib.Path(__file__).parent
+
+xi, r, l = np.genfromtxt('load.txt', delimiter=',').T
+
+plt.plot(xi, r)
+plt.scatter(xi, r, label='right')
+plt.plot(xi, l)
+plt.scatter(xi, l, label='left')
+
+plt.xlabel('load resistance (ohms)')
+plt.ylabel('applied voltage (mV)')
+plt.grid()
+plt.plot(xi, xi, c='k', alpha=0.5, lw=0.5)
+
+plt.ylim(0, 20000)
+plt.xlim(0, 100000)
+
+plt.legend()
+
+plt.savefig('load.png', dpi=300, transparent=True)
+plt.close()
-- 
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