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Recent questions tagged scipy

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scipy - Getting standard errors on fitted parameters using the optimize.leastsq method in python

I have a set of data (displacement vs time) which I have fitted to a couple of equations using the optimize. ... I can get the errors out. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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scipy - How to calculate the inverse of the normal cumulative distribution function in python?

How do I calculate the inverse of the cumulative distribution function (CDF) of the normal distribution in Python? Which library should I use? Possibly scipy? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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scipy - ODE solver for python respecting periodicity

I want to integrate a control problem, i.e. an ODE of the form dx/dt = A.f(t), where x ... https://stackoverflow.com/questions/65848198/ode-solver-for-python-respecting-periodicity...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

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scipy - python split 3D spline curve to equally spaced (euclidean) points

I have a set of points that represent a 3D curve. And I have a number of links/segments (n) and ... /65864253/python-split-3d-spline-curve-to-equally-spaced-euclidean-points...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.3k views

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scipy - Numpy Cookbook WAV FILE: File format b"b'RI" not understood

Trying to go through Ivan Idris' Numpy Cookbook. Chapter 2, broadcasting arrays... And I'm receiving this ... /65916539/numpy-cookbook-wav-file-file-format-bbri-not-understood...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

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scipy - Optimization with joint bounds / symbolic constraint

I am trying to perform least squares optimization on a vector [a1,a2,a3], with the following ... .com/questions/65943996/optimization-with-joint-bounds-symbolic-constraint...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

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scipy - Global sensitivity with python

I have a model, y= f(x1, x2, x3, ...x20), with 1000 random sample of (x1, ...x20) ... question from:https://stackoverflow.com/questions/65624093/global-sensitivity-with-python...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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scipy - Error while loading file in python - but only if using package instead of direct way

iam facing a issue on a windows machine using python language. Using the python package scipy.io.loadmat i load a . ... -file-in-python-but-only-if-using-package-instead-of-direct...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.0k views

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scipy - Fitting only one parameter of a function with many parameters in python

In python I have a function which has many parameters. I want to fit this function to a data set, but using ... -only-one-parameter-of-a-function-with-many-parameters-in-python...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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946 views

1 answer

scipy - Getting standard errors on fitted parameters using the optimize.leastsq method in python

I have a set of data (displacement vs time) which I have fitted to a couple of equations using the ... standard-errors-on-fitted-parameters-using-the-optimize-leastsq-method-i...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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948 views

1 answer

scipy - Getting standard errors on fitted parameters using the optimize.leastsq method in python

I have a set of data (displacement vs time) which I have fitted to a couple of equations using the ... standard-errors-on-fitted-parameters-using-the-optimize-leastsq-method-i...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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983 views

1 answer

scipy - Evaluate Derivative of Negative Log Likelihood Python

I am trying to evaluate the derivative of the negative log likelihood functionin python. I am using ... /questions/66066327/evaluate-derivative-of-negative-log-likelihood-python...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

1 answer

scipy - Evaluate Derivative of Negative Log Likelihood Python

I am trying to evaluate the derivative of the negative log likelihood functionin python. I am using ... /questions/66066327/evaluate-derivative-of-negative-log-likelihood-python...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.2k views

1 answer

scipy - python: How to construct a sparse matrix out of a 2D-image?

I have a 2D array which represents an image (376, 450) How can I construct a new diagonal matrix (sparse matrix) ... resulting array will not be a sparse 2D matrix which I want....

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.2k views

1 answer

scipy - Is there something wrong with my quad formula? Its giving me an incorrect signed answer

from scipy.integrate import quad def using_quad(): return quad(f2, -1, 2) In: using_quad() Out: (3.0, 3.3306690738754696e-14) Why is the answer not -3.0 ?...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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2.6k views

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scipy - Only size-1 arrays can be converted to Python scalars: Integrate.quad Vs Integrate.quadrature

I'm trying to calculate an integral. When I use the function scipy.integrate.quad the code works perfectly. However, ... : only size-1 arrays can be converted to Python scalars...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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3.9k views

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scipy - Bivariate Quadratic Polynomial Solution

I am trying to implement the code for the algorithm from this paper: https://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1 ... -3.80862038e-07, -3.11127887e-07, -2.20412620e-07])...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

4.2k views

1 answer

scipy - Bivariate Quadratic Polynomial Solution

I am trying to implement the code for the algorithm from this paper: https://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1 ... -3.80862038e-07, -3.11127887e-07, -2.20412620e-07])...

asked Jan 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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