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fix phase plot lines output #1066

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Merged
merged 1 commit into from
Nov 24, 2024
Merged

fix phase plot lines output #1066

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12 changes: 5 additions & 7 deletions control/phaseplot.py
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Original file line number Diff line number Diff line change
Expand Up @@ -532,8 +532,7 @@ def equilpoints(
out = []
for xeq in equilpts:
with plt.rc_context(rcParams):
out.append(
ax.plot(xeq[0], xeq[1], marker='o', color=color))
out += ax.plot(xeq[0], xeq[1], marker='o', color=color)
return out


Expand Down Expand Up @@ -649,8 +648,7 @@ def separatrices(
for i, xeq in enumerate(equilpts):
# Plot the equilibrium points
with plt.rc_context(rcParams):
out.append(
ax.plot(xeq[0], xeq[1], marker='o', color='k'))
out += ax.plot(xeq[0], xeq[1], marker='o', color='k')

# Figure out the linearization and eigenvectors
evals, evecs = np.linalg.eig(sys.linearize(xeq, 0, params=params).A)
Expand Down Expand Up @@ -691,13 +689,13 @@ def separatrices(
# Plot the trajectory (if there is one)
if traj.shape[1] > 1:
with plt.rc_context(rcParams):
out.append(ax.plot(
traj[0], traj[1], color=color, linestyle=linestyle))
out += ax.plot(
traj[0], traj[1], color=color, linestyle=linestyle)

# Add arrows to the lines at specified intervals
with plt.rc_context(rcParams):
_add_arrows_to_line2D(
ax, out[-1][0], arrow_pos, arrowstyle=arrow_style,
ax, out[-1], arrow_pos, arrowstyle=arrow_style,
dir=1)
return out

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