python Programming Glossary: cubic

Randomizing (x,y,z) coordinates within a box

http://stackoverflow.com/questions/12700211/randomizing-x-y-z-coordinates-within-a-box

program that put identical non overlapping particles in a cubic lattice. So my code below just iterates through every combination..

Representing and solving a maze given an image

http://stackoverflow.com/questions/12995434/representing-and-solving-a-maze-given-an-image

not perfectly straight. This results in the paths being cubic bezier curves. With a list array of boolean values indexed by..

Resampling a numpy array representing an image

http://stackoverflow.com/questions/13242382/resampling-a-numpy-array-representing-an-image

interpolation would be order 1 nearest is order 0 and cubic is the default order 3 . zoom is specifically for regularly.. x 2 order 1 print 'Resampled by a factor of 2 with cubic interpolation ' print scipy.ndimage.zoom x 2 order 3 And the.. 6 5 5 6 6 6 7 6 6 7 7 8 8 Resampled by a factor of 2 with cubic interpolation 0 0 1 1 2 2 1 1 1 2 2 3 2 2 3 3 4 4 4 4 5 5 6..

Fast interpolation of grid data

http://stackoverflow.com/questions/16983843/fast-interpolation-of-grid-data

array scipy.ndimage.zoom As a quick example This will use cubic interpolation. Use order 1 for bilinear order 0 for nearest.. 23 24 25 26 Sampled at 1.2 0.3 1.4 14 Once again this is cubic interpolation by default. Use the order kwarg to control the..

resampling, interpolating matrix

http://stackoverflow.com/questions/1851384/resampling-interpolating-matrix

case near the sampling frequency but as you can see cubic interpolation isn't even close. For lower frequencies it should..

Interpolating a scalar field in a 3D space

http://stackoverflow.com/questions/1972172/interpolating-a-scalar-field-in-a-3d-space

iso energy surface entirely however it does not occupy a cubic space the mesh occupies a roughly cylindrical space Speed is..

Scipy interpolation on a numpy array

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

1 2.0 # Now we actually interpolate # map_coordinates does cubic interpolation by default # use order 1 to preform bilinear interpolation..

Efficient Context-Free Grammar parser, preferably Python-friendly

http://stackoverflow.com/questions/4543008/efficient-context-free-grammar-parser-preferably-python-friendly

or CKY should be linear to the size of the grammar and cubic to the size of the input token list. My experience with NLTK..

Scipy interpolation how to resize/resample 3x3 matrix to 5x5?

http://stackoverflow.com/questions/5586719/scipy-interpolation-how-to-resize-resample-3x3-matrix-to-5x5

4x4 matrixSmall 1 8 3 5 matrixBig matrixSmall.resample 4 4 cubic So if I start with a 3x3 matrix array 0 2 0 2 11 2 0 2 0 I want.. default . Lower it to 2 and get a quadratic fit instead of cubic. import numpy scipy from scipy import interpolate kernelIn numpy.array..

Generating unique, ordered Pythagorean triplets

http://stackoverflow.com/questions/575117/generating-unique-ordered-pythagorean-triplets

aren't useful e.g. whenever z y . Its time complexity is cubic on N . Version 2 the first improvement comes from requiring.. and eliminates duplicated solutions. However it is still cubic on N the improvement is just a reduction of the co efficient.. is about 5 times faster than Version 2 but it is still cubic on N . The next insight is that x and y are the only independent..

Multivariate spline interpolation in python/scipy?

http://stackoverflow.com/questions/6238250/multivariate-spline-interpolation-in-python-scipy

controls the order of the splines used. The default is # cubic splines order 3 zi ndimage.map_coordinates data coords order..

How to extract an arbitrary line of values from a numpy array?

http://stackoverflow.com/questions/7878398/how-to-extract-an-arbitrary-line-of-values-from-a-numpy-array

use scipy.ndimage.map_coordinates if you need bilinear or cubic interpolation. 2 if you just want nearest neighbor sampling.. y0 y1 num # Extract the values along the line using cubic interpolation zi scipy.ndimage.map_coordinates z np.vstack x..