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File:Integration trapezoid.svg

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Original file (SVG file, nominally 340 × 102 pixels, file size: 22 KB)

Description Numerical integration by the Trapezoidal Method. The function being used is .
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I, the copyright holder of this work, hereby publish it under the following license:
Public domain I, the copyright holder of this work, release this work into the public domain. This applies worldwide.
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Gnuplot Script Used

# SVG output
set terminal svg size 340 102
set output "Integration_trapezoid.svg"
set samples 1000

# Configure border, axes, etc.
unset key
set xrange [-2:2]
set yrange [-1.5:4.75]
set border 3 lt 1 lc rgb "black"
set grid
set xtics autofreq 1
set ytics autofreq 2

# Define our function
f(x) = x**2 + sin(2*pi*x)

# Draw trapezoids
set for [i = 0:15] object i+1 polygon from -2+.25*i,0 to -2+.25*(i+1),0 to -2+.25*(i+1),f(-2+.25*(i+1)) to -2+.25*i,f(-2+.25*i) to -2+.25*i,0 fs empty border lt 3

# Plot
plot f(x)

Original upload log

This image is a derivative work of the following images:

  • File:Calkowanie_numeryczne-metoda_trapezow.png licensed with PD-self
    • 2008-02-16T19:44:56Z Emergie 340x102 (1100 Bytes) {{Information |Description=Numerical integration |Source=własna praca |Date= |Author= [[User:Emergie|Emergie]] |Permission= |other_versions= }} [[Category:Numerical analysis]]

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4 November 2010

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Date/TimeThumbnailDimensionsUserComment
current06:32, 4 November 2010Thumbnail for version as of 06:32, 4 November 2010340 × 102 (22 KB)Kpengboy{{Information |Description=Numerical integration by the Trapezoidal Method. The function being used is <math>f(x) = x^2 + \sin(2\pi x)</math>. |Source=*File:Calkowanie_numeryczne-metoda_trapezow.png |Date=2010-11-04 06:29 (UTC) |Author=*[[:File:Calk

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