1 files changed, 29 insertions, 45 deletions
diff --git a/buch/papers/laguerre/scripts/integrand.py b/buch/papers/laguerre/scripts/integrand.py
index 0cf43d1..f31f194 100644
--- a/buch/papers/laguerre/scripts/integrand.py
+++ b/buch/papers/laguerre/scripts/integrand.py
@@ -2,48 +2,32 @@
 # -*- coding:utf-8 -*-
 """Plot for integrand of gamma function with shifting terms."""
 
-import os
-from pathlib import Path
-
-import matplotlib.pyplot as plt
-import numpy as np
-
-EPSILON = 1e-12
-xlims = np.array([-3, 3])
-
-root = str(Path(__file__).parent)
-img_path = f"{root}/../images"
-os.makedirs(img_path, exist_ok=True)
-
-t = np.logspace(*xlims, 1001)[:, None]
-
-z = np.array([-4.5, -2, -1, -0.5, 0.0, 0.5, 1, 2, 4.5])
-r = t ** z
-
-fig, ax = plt.subplots(num=1, clear=True, constrained_layout=True, figsize=(5, 3))
-ax.semilogx(t, r)
-ax.set_xlim(*(10.0 ** xlims))
-ax.set_ylim(1e-3, 40)
-ax.set_xlabel(r"$x$")
-ax.set_ylabel(r"$x^z$")
-ax.grid(1, "both")
-labels = [f"$z={zi: 3.1f}$" for zi in np.squeeze(z)]
-ax.legend(labels, ncol=2, loc="upper left", fontsize="small")
-fig.savefig(f"{img_path}/integrands.pgf")
-
-z2 = np.array([-1, -0.5, 0.0, 0.5, 1, 2, 3, 4, 4.5])
-e = np.exp(-t)
-r2 = t ** z2 * e
-
-fig2, ax2 = plt.subplots(num=2, clear=True, constrained_layout=True, figsize=(5, 3))
-ax2.semilogx(t, r2)
-# ax2.plot(t,np.exp(-t))
-ax2.set_xlim(10 ** (-2), 20)
-ax2.set_ylim(1e-3, 10)
-ax2.set_xlabel(r"$x$")
-ax2.set_ylabel(r"$x^z e^{-x}$")
-ax2.grid(1, "both")
-labels =[f"$z={zi: 3.1f}$" for zi in np.squeeze(z2)]
-ax2.legend(labels, ncol=2, loc="upper left", fontsize="small")
-fig2.savefig(f"{img_path}/integrands_exp.pgf")
-# plt.show()
+if __name__ == "__main__":
+    import os
+    from pathlib import Path
+
+    import matplotlib.pyplot as plt
+    import numpy as np
+
+    EPSILON = 1e-12
+    xlims = np.array([-3, 3])
+
+    root = str(Path(__file__).parent)
+    img_path = f"{root}/../images"
+    os.makedirs(img_path, exist_ok=True)
+
+    t = np.logspace(*xlims, 1001)[:, None]
+
+    z = np.array([-4.5, -2, -1, -0.5, 0.0, 0.5, 1, 2, 4.5])
+    r = t ** z
+
+    fig, ax = plt.subplots(num=1, clear=True, constrained_layout=True, figsize=(4, 2.4))
+    ax.semilogx(t, r)
+    ax.set_xlim(*(10.0 ** xlims))
+    ax.set_ylim(1e-3, 40)
+    ax.set_xlabel(r"$x$")
+    # ax.set_ylabel(r"$x^z$")
+    ax.grid(1, "both")
+    labels = [f"$z={zi: 3.1f}$" for zi in np.squeeze(z)]
+    ax.legend(labels, ncol=2, loc="upper left", fontsize="small")
+    fig.savefig(f"{img_path}/integrand.pgf")