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python Programming Glossary: np.random.uniformHow to generate audio from a numpy array? http://stackoverflow.com/questions/10357992/how-to-generate-audio-from-a-numpy-array import numpy as np from scipy.io.wavfile import write data np.random.uniform 1 1 44100 # 44100 random samples between 1 and 1 scaled np.int16..
How to set the margins for a matplotlib figure? http://stackoverflow.com/questions/10898919/how-to-set-the-margins-for-a-matplotlib-figure left 0.1 right 0.9 top 0.9 bottom 0.1 #self.picture.imshow np.random.uniform #size 5 50 self.intensity.plot np.random.random #size 641 self.intensity.autoscale..
Inverse Distance Weighted (IDW) Interpolation with Python http://stackoverflow.com/questions/3104781/inverse-distance-weighted-idw-interpolation-with-python hills return np.sin 2 np.pi cycle np.mean 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 N Ndim .5 # 1 p 1 density x^p z terrain known ask np.random.uniform size Nask Ndim #.................................................................................
How can I remove the axes in an Axes3D class? http://stackoverflow.com/questions/3732787/how-can-i-remove-the-axes-in-an-axes3d-class 'red' # Generate and plot some random data... ndata 10 x np.random.uniform xspan.min xspan.max ndata y np.random.uniform yspan.min yspan.max.. ndata 10 x np.random.uniform xspan.min xspan.max ndata y np.random.uniform yspan.min yspan.max ndata z np.random.uniform zspan.min zspan.max.. ndata y np.random.uniform yspan.min yspan.max ndata z np.random.uniform zspan.min zspan.max ndata c np.random.random ndata ax.scatter..
Python/Numpy - Quickly Find the Index in an Array Closest to Some Value http://stackoverflow.com/questions/6065697/python-numpy-quickly-find-the-index-in-an-array-closest-to-some-value 10 100000 # Not always uniform but in increasing order x np.random.uniform 10 100000 # Some value to find within t def f1 t x ind np.searchsorted..
Efficient method of calculating density of irregularly spaced points http://stackoverflow.com/questions/6652671/efficient-method-of-calculating-density-of-irregularly-spaced-points view_ymax .5 view_xmin .5 view_xmax .5 # generate data xl np.random.uniform data_xmin data_xmax n yl np.random.uniform data_ymin data_ymax.. data xl np.random.uniform data_xmin data_xmax n yl np.random.uniform data_ymin data_ymax n zl np.random.uniform 0 1 n # get visible.. data_xmax n yl np.random.uniform data_ymin data_ymax n zl np.random.uniform 0 1 n # get visible data points xlvis ylvis for i in range 0..
Convolution computations in Numpy/Scipy http://stackoverflow.com/questions/6855169/convolution-computations-in-numpy-scipy the vastly different speeds of the following operations x1 np.random.uniform size 2 17 1 x2 np.random.uniform size 2 17 np.fft.fft x1 np.fft.fft.. following operations x1 np.random.uniform size 2 17 1 x2 np.random.uniform size 2 17 np.fft.fft x1 np.fft.fft x2 3 Normalization is not..
SQLite Performance Benchmark — why is :memory: so slow…only 1.5X as fast as disk? http://stackoverflow.com/questions/764710/sqlite-performance-benchmark-why-is-memory-so-slow-only-1-5x-as-fast-as-d 0 cmax nn mat 1 np.random.randint 0 gmax nn mat 2 np.random.uniform 0 1 nn #2 Load it into both dbs build indices try os.unlink..
Use numpy array in shared memory for multiprocessing http://stackoverflow.com/questions/7894791/use-numpy-array-in-shared-memory-for-multiprocessing arr tonumpyarray shared_arr # fill with random values arr np.random.uniform size N arr_orig arr.copy # write to arr from different processes..
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