Category "scipy"

Error to allocate result variables from opt.leastsq

I'm setting up an interior positioning system, and when I request the opt.leastsq function, I have the expected result in the string, but it gives me an output

Node indexing in hierarchical clustering dendrograms

I'm looking to annotate a hierarchical clustering dendrogram, but I have some trouble associating the node indices produced by scipy.cluster.hierarchy.dendrogra

Error importing scipy.linalg on windows (python 3.3)

I am using python 3.3 on Windows. I downloaded scipy-0.13.2.win32-py3.3.exe from scipy-lib and installed it. However, when I tried to load scipy.linalg, interpr

Find and draw regression plane to a set of points

I want to fit a plane to some data points and draw it. My current code is this: import numpy as np from mpl_toolkits.mplot3d import Axes3D import matplotlib.py

Tensordot for numpy array and scipy sparse matrix

For a current project I have to compute the inner product of a lot of vectors with the same matrix (which is quite sparse). The vectors are associated with a tw

Fixing Knots for scipy.interpolate.bisplrep

I have a 6x6 matrix of data(values_master) for a 6x6 set of data points: master_x,master_y=mgrid[950:1450:6j,550:1050:6j] I then try and interpolate the data

Does Conda replace the need for virtualenv?

I recently discovered Conda after I was having trouble installing SciPy, specifically on a Heroku app that I am developing. With Conda you create environments,

Get U, Sigma, V* matrix from Truncated SVD in scikit-learn

I am using truncated SVD from scikit-learn package. In the definition of SVD, an original matrix A is approxmated as a product A ≈ UΣV* where

What are the arguments for scipy.stats.uniform?

I'm trying to create a uniform distribution between two numbers (lower bound and upper bound) in order to feed it to sklearn's ParameterSampler. I am using scip

How to find all neighbors of a given point in a delaunay triangulation using scipy.spatial.Delaunay?

I have been searching for an answer to this question but cannot find anything useful. I am working with the python scientific computing stack (scipy,numpy,matp

T-Test in Python for multiple group comparisons

I would like to conduct a simple t-test in python, but I would like to compare all possible groups to each other. Let's say I have the following data: import p

Orthogonal regression fitting in scipy least squares method

The leastsq method in scipy lib fits a curve to some data. And this method implies that in this data Y values depends on some X argument. And calculates the min

Upsample and Interpolate a NumPy Array

I have an array, something like: array = np.arange(0,4,1).reshape(2,2) > [[0 1 2 3]] I want to both upsample this array as well as interpolate the re

In debug, using pandas before importing from Scipy generates Type error on import

When run in debug in PyCharm 2021.3 (Community Edition) on Mac, the code: import pandas as pd x = pd.DataFrame() from scipy.stats import poisson Generates the

Installing PIL on OS X Lion: initialization from incompatible pointer type

I want to run python's ndimage to do some image analysis. I have a 64-bit Mac running OSX Lion and Python 2.7. When I tried to run commands from ndimage comman

Does Pandas, SciPy, or NumPy provide a cumulative standard deviation function?

I have a Pandas series. I need to get sigma_i, which is the standard deviation of a series up to index i. Is there an existing function which efficiently calcul

Difference between scipy.ndimage.gaussian_gradient_magnitude & gaussian_filter function

Anyone know what's the difference between scipy.ndimage.gaussian_gradient_magnitude [1] and scipy.ndimage.gaussian_filter[2] function? I imagine that gaussian_

I am getting error to install scipy in Python 3.8

I just switched to python 3.8 and I am getting error that scipy is not found so i tried to install it by pip install scipy I am getting error as shown below sci

something wrong about scipy and numpy, when i import scipy.stats.linregress

when i import scipy.stats.linregress, to do something about ols, there is a typeerror. when i run my code in pycharm, all is ok. there is no error and i can get

How to generate a matrix with circle of ones in numpy/scipy

There are some signal generation helper functions in python's scipy, but these are only for 1 dimensional signal. I want to generate a 2-D ideal bandpass filte