8000 Fix examples by bnavigator · Pull Request #965 · python-control/python-control · GitHub
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Fix examples #965

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Merged
merged 3 commits into from
Jan 23, 2024
Merged

Fix examples #965

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5c38d4f
escape latex labels
bnavigator Jan 22, 2024
99e56f8
Use Numpy API for pi instead of undocumented scipy.pi
bnavigator Jan 22, 2024
2c32913
Update notebooks (no rerun, no output change)
bnavigator Jan 22, 2024
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9 changes: 5 additions & 4 deletions examples/bode-and-nyquist-plots.ipynb
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8000
Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,7 @@
"metadata": {},
"outputs": [],
"source": [
"import numpy as np\n",
"import scipy as sp\n",
"import matplotlib.pyplot as plt\n",
"import control as ct"
Expand Down Expand Up @@ -109,9 +110,9 @@
"w001rad = 1. # 1 rad/s\n",
"w010rad = 10. # 10 rad/s\n",
"w100rad = 100. # 100 rad/s\n",
"w001hz = 2*sp.pi*1. # 1 Hz\n",
"w010hz = 2*sp.pi*10. # 10 Hz\n",
"w100hz = 2*sp.pi*100. # 100 Hz\n",
"w001hz = 2*np.pi*1. # 1 Hz\n",
"w010hz = 2*np.pi*10. # 10 Hz\n",
"w100hz = 2*np.pi*100. # 100 Hz\n",
"# First order systems\n",
"pt1_w001rad = ct.tf([1.], [1./w001rad, 1.], name='pt1_w001rad')\n",
"display(pt1_w001rad)\n",
Expand Down Expand Up @@ -153,7 +154,7 @@
],
"source": [
"sampleTime = 0.001\n",
"display('Nyquist frequency: {:.0f} Hz, {:.0f} rad/sec'.format(1./sampleTime /2., 2*sp.pi*1./sampleTime /2.))"
"display('Nyquist frequency: {:.0f} Hz, {:.0f} rad/sec'.format(1./sampleTime /2., 2*np.pi*1./sampleTime /2.))"
]
},
{
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2 changes: 1 addition & 1 deletion examples/genswitch.py
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Expand Up @@ -60,7 +60,7 @@ def genswitch(y, t, mu=4, n=2):
# set(pl, 'LineWidth', AM_data_linewidth)
plt.axis([0, 25, 0, 5])

plt.xlabel('Time {\itt} [scaled]')
plt.xlabel('Time {\\itt} [scaled]')
plt.ylabel('Protein concentrations [scaled]')
plt.legend(('z1 (A)', 'z2 (B)')) # 'Orientation', 'horizontal')
# legend(legh, 'boxoff')
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4 changes: 2 additions & 2 deletions examples/kincar-flatsys.py
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Expand Up @@ -100,8 +100,8 @@ def plot_results(t, x, ud, rescale=True):

plt.subplot(2, 4, 8)
plt.plot(t, ud[1])
plt.xlabel('Ttime t [sec]')
plt.ylabel('$\delta$ [rad]')
plt.xlabel('Time t [sec]')
plt.ylabel('$\\delta$ [rad]')
plt.tight_layout()

#
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2 changes: 1 addition & 1 deletion examples/singular-values-plot.ipynb
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Expand Up @@ -90,7 +90,7 @@
],
"source": [
"sampleTime = 10\n",
"display('Nyquist frequency: {:.4f} Hz, {:.4f} rad/sec'.format(1./sampleTime /2., 2*sp.pi*1./sampleTime /2.))"
"display('Nyquist frequency: {:.4f} Hz, {:.4f} rad/sec'.format(1./sampleTime /2., 2*np.pi*1./sampleTime /2.))"
]
},
{
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2 changes: 1 addition & 1 deletion examples/type2_type3.py
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Expand Up @@ -5,7 +5,7 @@
import os
import matplotlib.pyplot as plt # Grab MATLAB plotting functions
from control.matlab import * # MATLAB-like functions
from scipy import pi
from numpy import pi
integrator = tf([0, 1], [1, 0]) # 1/s

# Parameters defining the system
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0