python Programming Glossary: density

http://stackoverflow.com/questions/11507028/fit-a-gaussian-function

size 10000 hist bin_edges numpy.histogram data density True bin_centres bin_edges 1 bin_edges 1 2 # Define model function..

2D and 3D Scatter Histograms from arrays in Python

http://stackoverflow.com/questions/14002480/2d-and-3d-scatter-histograms-from-arrays-in-python

temperature 4 3 1 4 6 7 8 3 1 radius 0 2 3 4 0 1 2 10 7 density 1 10 2 24 7 10 21 102 203 import matplotlib matplotlib.rcParams.update.. 'font.size' 14 points sub hist2d_bubble radius density bins 4 sub.axes.set_xlabel 'radius' sub.axes.set_ylabel 'density'.. bins 4 sub.axes.set_xlabel 'radius' sub.axes.set_ylabel 'density' points sub hist3d_bubble temperature density radius bins 4..

Python 4D linear interpolation on a rectangular grid

http://stackoverflow.com/questions/14119892/python-4d-linear-interpolation-on-a-rectangular-grid

of using interp1d 4 times without calculating a higher density of points but leaving it for the user to call with the coordinates..

Adding water flow arrows to Matplotlib Contour Plot

http://stackoverflow.com/questions/16529892/adding-water-flow-arrows-to-matplotlib-contour-plot

gradient thus zi ax.streamplot xi 0 yi 0 dx dy color '0.8' density 2 # Contour gridded head observations contours ax.contour xi..

Is there a way to circumvent Python list.append() becoming progressively slower in a loop as the list grows?

http://stackoverflow.com/questions/2473783/is-there-a-way-to-circumvent-python-list-append-becoming-progressively-slower

of magnitude lower than the garbage collection costs. The density of the above plots make it difficult to see that with the garbage..

Inverse Distance Weighted (IDW) Interpolation with Python

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

x axis 1 known np.random.uniform size N Ndim .5 # 1 p 1 density x^p z terrain known ask np.random.uniform size Nask Ndim #.................................................................................

How to create a density plot in matplotlib?

http://stackoverflow.com/questions/4150171/how-to-create-a-density-plot-in-matplotlib

to create a density plot in matplotlib In R I can create the desired output by.. 7 rep 2.5 2 rep 3.5 8 rep 4.5 3 rep 5.5 1 rep 6.5 8 plot density data bw 0.5 In python with matplotlib the closest I got was.. gaussian_kde data 1.5 7 2.5 2 3.5 8 4.5 3 5.5 1 6.5 8 density gaussian_kde data xs np.linspace 0 8 200 density.covariance_factor..

Generate random numbers with a given (numerical) distribution

http://stackoverflow.com/questions/4265988/generate-random-numbers-with-a-given-numerical-distribution

fairly simple to code on your own build the cumulative density function generate a random value 0 1 and pick the corresponding..

Fitting data to distributions?

http://stackoverflow.com/questions/4290081/fitting-data-to-distributions

distribution doesn't have to assign any probability density to negative numbers. All of these estimation problems get worse..

Python group by array a, and summarize array b - Performance

http://stackoverflow.com/questions/7538382/python-group-by-array-a-and-summarize-array-b-performance

the elements in b Example used to summarize a probability density function bResult 0.2 0.1 0.2 0.1 0.3 0.1 0.5 0.1 0.4 Alternatively..

how to plot a streamlines , when i know u and v components of velocity(numpy 2d arrays), using a plotting program in python?

http://stackoverflow.com/questions/8296617/how-to-plot-a-streamlines-when-i-know-u-and-v-components-of-velocitynumpy-2d

u u v v plt.figure plt.subplot 121 streamplot x y u v density 1 INTEGRATOR 'RK4' color 'b' plt.subplot 122 streamplot x y.. 'RK4' color 'b' plt.subplot 122 streamplot x y u v density 1 1 INTEGRATOR 'RK4' color u linewidth 5 speed speed.max plt.show..

Python : 2d contour plot from 3 lists : x, y and rho?

http://stackoverflow.com/questions/9008370/python-2d-contour-plot-from-3-lists-x-y-and-rho

and matplotlib. I have 3 lists x y and rho with rho i a density at the point x i y i . All values of x and y are between 1... order. How to make a contour plot like with imshow of the density rho interpolated at the points x y . Thank you very much. EDIT..