File:Cosine integral.svg

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Summary

Description
English: This is a plot of cosine integral function (for ).
Date
Source Own work
Author Krishnavedala
SVG development
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This plot was created with Matplotlib.
Source code
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Python code

from numpy import *
from scipy.special import sici
from matplotlib.pyplot import *
 
fig = figure(figsize=(4,3))
ax = fig.add_subplot(111)
x = linspace(0.001, 25, 100)
(y_sine,y_cosine) = sici(x);
ax.set_ylim(-6.5, 0.75)
ax.plot(x,y_cosine, linewidth=2, label=r"Ci$(x)=\gamma+\ln(x)+\int_0^x\frac{\cos(t)-1}{t}dt$")
ax.plot([0, 25], [0, 0], linestyle='--', color='g', label=r"asymptote");
ax.set_ylabel(r"Ci($x$)")
ax.set_xlabel(r"$x$")
ax.grid(True)
ax.minorticks_on()
fig.savefig("Cosine integral.svg",bbox_inches="tight",\
        pad_inches=.15)

Licensing

I, the copyright holder of this work, hereby publish it under the following license:
w:en:Creative Commons
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Under the following conditions:
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16 November 2012

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67d92f81b29066471c90dcd1706d746885b09100

67,598 byte

273 pixel

359 pixel

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Date/TimeThumbnailDimensionsUserComment
current19:36, 16 November 2012Thumbnail for version as of 19:36, 16 November 2012359 × 273 (66 KB)KrishnavedalaUser created page with UploadWizard
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