File:Nurbsbasisconstruct.svg
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Original file (SVG file, nominally 720 × 540 pixels, file size: 122 KB)
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Summary
| Description |
English: Recreation of Nurbsbasisconstruct.png. |
| Date | |
| Source | Own work |
| Author | BenFrantzDale |
| SVG development |  This plot was created with Matplotlib. |
| Source code | Python codefrom pylab import *
x = linspace(0,3,1000)
N11 = zeros_like(x)
msk = x<1
N11[msk] = x[msk]
msk = logical_and(1 <= x, x < 2)
N11[msk] = 2-x[msk]
N21 = zeros_like(x)
msk = logical_and(1 <= x, x < 2)
N21[msk] = x[msk]-1
msk = logical_and(2 <= x, x < 2.5)
N21[msk] = 5-2*x[msk]
f = zeros_like(x)
msk = x<2
f[msk] = x[msk]/2.0
g = zeros_like(x)
msk = logical_and(1 <= x,x<2.5)
g[msk] = x[msk]/-1.5+1+1/1.5
figure()
subplot(3,1,1)
plot(x,N11,'b')
plot(x,N21,'g')
grid(True)
subplot(3,1,2)
msk = f != 0
plot(x[msk],f[msk],'b')
msk = g != 0
plot(x[msk],g[msk],'g')
grid(True)
subplot(3,1,3)
N12 = f*N11+g*N21
msk = x <= 1
plot(x[msk],N12[msk],'b')
msk = logical_and(1 <= x,x <= 2)
plot(x[msk],N12[msk],'c')
msk = 2 <= x
plot(x[msk],N12[msk],'g')
grid(True)
[(subplot(3,1,i+1),xlim(0,3),ylim(0,1)) for i in range(3)]
|
Licensing
I, the copyright holder of this work, hereby publish it under the following license:
This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license.
- You are free:
- to share – to copy, distribute and transmit the work
- to remix – to adapt the work
- Under the following conditions:
- attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
- share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.
File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 13:08, 29 April 2014 | | 720 × 540 (122 KB) | BenFrantzDale~commonswiki | Transparent background |
| 13:02, 29 April 2014 |  | 720 × 540 (46 KB) | BenFrantzDale~commonswiki | User created page with UploadWizard |
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- Usage on tr.wikipedia.org
