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python Programming Glossary: z2

Calculating the distance between atomic coordinates

http://stackoverflow.com/questions/13645439/calculating-the-distance-between-atomic-coordinates

can be expressed as distance sqrt x1 x2 ^2 y1 y2 ^2 z1 z2 ^2 . The columns 7 8 and 9 represents x y and z co ordinates..

Convolution of two three dimensional arrays with padding on one side too slow

http://stackoverflow.com/questions/14786920/convolution-of-two-three-dimensional-arrays-with-padding-on-one-side-too-slow

axis. The entries of C are computed as c_ x1 x2 y1 y2 z1 z2 a_ x1 y1 z1 b_ x2 y2 z2 My current version is straightforward.. are computed as c_ x1 x2 y1 y2 z1 z2 a_ x1 y1 z1 b_ x2 y2 z2 My current version is straightforward dimA A.shape 0 dimB B.shape.. range dimA for y2 in range dimB for z1 in range dimA for z2 in range dimB x x1 x2 y y1 y2 z z1 z2 C x y z A x1 y1 z1..

plotting orbital trajectories in python

http://stackoverflow.com/questions/16049390/plotting-orbital-trajectories-in-python

2 z 2 z . Written as 6 first order we have x' x2 y' y2 z' z2 x2' mu np.sqrt x 2 y 2 z 2 x y2' mu np.sqrt x 2 y 2 z 2 y and.. mu np.sqrt x 2 y 2 z 2 x y2' mu np.sqrt x 2 y 2 z 2 y and z2' mu np.sqrt x 2 y 2 z 2 z I also want to add in the path Plot.. this as a system of six first order ode's x' x2 y' y2 z' z2 x2' mu np.sqrt x 2 y 2 z 2 x y2' mu np.sqrt x 2 y 2 z 2 y z2'..

ode integration in python versus mathematica results

http://stackoverflow.com/questions/16222302/ode-integration-in-python-versus-mathematica-results

to run the simulation u odeint deriv u0 dt x y z x2 y2 z2 u.T fig plt.figure ax fig.add_subplot 111 projection '3d' ax.plot..

Scipy interpolation on a numpy array

http://stackoverflow.com/questions/3057015/scipy-interpolation-on-a-numpy-array

order 1 to preform bilinear interpolation instead... z1 z2 z3 map_coordinates z yi xi # Display the results for X Y Z in.. Display the results for X Y Z in zip x1 x2 x3 y1 y2 y3 z1 z2 z3 print X ' ' Y ' ' Z This yields 1.3 25000 5.1807375 0.2 50000..

Inverse Distance Weighted (IDW) Interpolation with Python

http://stackoverflow.com/questions/3104781/inverse-distance-weighted-idw-interpolation-with-python

d1 d2 d3 and returns the IDW average of the values z1 z2 z3 z1 d1 z2 d2 z3 d3 1 d1 1 d2 1 d3 .55 z1 .27 z2 .18 z3 for.. and returns the IDW average of the values z1 z2 z3 z1 d1 z2 d2 z3 d3 1 d1 1 d2 1 d3 .55 z1 .27 z2 .18 z3 for distances 1.. z1 z2 z3 z1 d1 z2 d2 z3 d3 1 d1 1 d2 1 d3 .55 z1 .27 z2 .18 z3 for distances 1 2 3 q may be one point or a batch of..

How can I attach a pyplot function to a figure instance?

http://stackoverflow.com/questions/14254379/how-can-i-attach-a-pyplot-function-to-a-figure-instance

X Y meshgrid x y Z1 bivariate_normal X Y 1.0 1.0 0.0 0.0 Z2 bivariate_normal X Y 1.5 0.5 1 1 Z 10.0 Z2 Z1 from matplotlib.pyplot.. 1.0 1.0 0.0 0.0 Z2 bivariate_normal X Y 1.5 0.5 1 1 Z 10.0 Z2 Z1 from matplotlib.pyplot import figure contour fig1 figure..

How to draw diagrams like this?

http://stackoverflow.com/questions/14824893/how-to-draw-diagrams-like-this

Z np.zeros 2 2 angle .5 X2 Y2 np.meshgrid dim dim 0 dim Z2 Y2 angle X3 Y3 np.meshgrid dim dim dim 0 Z3 Y3 angle r 7 M 1000.. 5 linestyle ' ' color 'k' zorder 2 ax.plot_surface X2 Y2 Z2 color 'blue' alpha .75 linewidth 0 zorder 3 ax.plot x y 0 y..

plotting results of hierarchical clustering ontop of a matrix of data in python

http://stackoverflow.com/questions/2982929/plotting-results-of-hierarchical-clustering-ontop-of-a-matrix-of-data-in-python

0.3 0.71 0.6 0.2 Y sch.linkage D method 'single' Z2 sch.dendrogram Y ax2.set_xticks ax2.set_yticks # Plot distance.. fig.add_axes 0.3 0.1 0.6 0.6 idx1 Z1 'leaves' idx2 Z2 'leaves' D D idx1 D D idx2 im axmatrix.matshow D aspect 'auto'..

How do I create a radial cluster like the following code-example in Python?

http://stackoverflow.com/questions/5089030/how-do-i-create-a-radial-cluster-like-the-following-code-example-in-python

0.3 0.71 0.6 0.2 Y sch.linkage D method 'single' Z2 sch.dendrogram Y ax2.set_xticks ax2.set_yticks fix_verts ax2..

Smoothing Data in Contour Plot with Matlibplot

http://stackoverflow.com/questions/8055489/smoothing-data-in-contour-plot-with-matlibplot

the amount of blurring. # order 0 means gaussian kernel Z2 ndimage.gaussian_filter Z sigma 1.0 order 0 fig plt.figure ax.. 1 2 1 ax.imshow Z ax fig.add_subplot 1 2 2 ax.imshow Z2 plt.show The left side shows the original data the right side..