Matplotlib

plt.rcParams['figure.figsize'] = [12, 8]
#plt.rcParams.update(plt.rcParamsDefault)

plt.figure(figsize = (12, 8))
plt.plot(x, y, 'o')
plt.errorbar(x, y, xerr=(xl, xh), fmt='o', color='black', ecolor='red', capsize=5)
plt.xlim(0, 1)
plt.xticks([])
plt.yticks([])
plt.xticks(np.arange(0, 1, 0.1))
plt.xlabel('X')
plt.grid()
plt.legend()
plt.savefig('figure.png', bbox_inches='tight')
plt.show()

plt.imshow(img, cmap='gray')
plt.colorbar()

fig, ax = plt.subplots(figsize = (8, 6))
ax.plot(x, y, marker="o", linestyle="-", label="1")
ax.plot(x, y, marker="s", linestyle="-", label="2")
ax.set_xlim(0.1, 100)
ax.set_ylim(0.1, 100)
ax.set_xticks(np.arange(0.1, 100, 1.0))
ax.set_yticks(np.arange(0.1, 100, 1.0))
ax.set_xscale("log")
ax.set_yscale("log")
ax.set_xlabel("X")
ax.set_ylabel("Y")
ax.set_title("Title")
ax.legend()
ax.grid(linestyle='--')
plt.savefig('figure.png', bbox_inches='tight')
plt.show()

im = ax.imshow(img, cmap='gray')
fig.colorbar(im, ax=ax)

https://qiita.com/Masahiro_T/items/bdd0482a8efd84cdd270
https://qiita.com/Masahiro_T/items/037c118c9dd26450f8c8
https://qiita.com/uz29/items/dd2e4c4fb2acaee5a93d

plt.clf()
plt.close()

## In case of using plt.tight_layout() and/or plt.savefig()
plt.cla()

https://qiita.com/skotaro/items/08dc0b8c5704c94eafb9
https://qiita.com/nkay/items/d1eb91e33b9d6469ef51

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