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Showing posts with the label Scipy

Python: Plot On Top Of Scipy Plot? (voronoi)

how do I plot on top of a voronoi plot (which is a scipy plot)? Note my question is slightly differ… Read more Python: Plot On Top Of Scipy Plot? (voronoi)

Solve Highly Non-linear Equation For X In Python

I am trying to solve the following equation for dB (for simplicity, I stated dB as x in the questio… Read more Solve Highly Non-linear Equation For X In Python

How To Efficiently Split Scipy Sparse And Numpy Arrays Into Smaller N Unequal Chunks?

After checking the documentation and this question I tried to split a numpy array and a sparse scip… Read more How To Efficiently Split Scipy Sparse And Numpy Arrays Into Smaller N Unequal Chunks?

Definitive Way To Parse Alphanumeric Csvs In Python With Scipy/numpy

I've been trying to find a good and flexible way to parse CSV files in Python but none of the s… Read more Definitive Way To Parse Alphanumeric Csvs In Python With Scipy/numpy

Constrained Least-squares Estimation In Python

I'm trying to perform a constrained least-squares estimation using Scipy such that all of the c… Read more Constrained Least-squares Estimation In Python

How To Fit A Log-normal Distribution With Scipy?

I want to fit the log-normal parameters mu and sigma to an existing (measured) log-normal distribut… Read more How To Fit A Log-normal Distribution With Scipy?

Calculate Mean Over Discrete Functions With Different Amount Of Sampling Points

I have a set of measurement curves (represented as an array of x and an array of y values). I need … Read more Calculate Mean Over Discrete Functions With Different Amount Of Sampling Points

What Is The Python (numpy Or Scipy Or Pandas) Equivalent For R's Adjboxstats Function?

I do use R to get the outliers for data set and I do use this snippet in R and it works like it'… Read more What Is The Python (numpy Or Scipy Or Pandas) Equivalent For R's Adjboxstats Function?

Python Sklearn.model_selection Giving Error Unable To Import Comb

I am importing train_test_split as: from sklearn.model_selection import train_test_split and it is … Read more Python Sklearn.model_selection Giving Error Unable To Import Comb

Procrustes Analysis With Numpy?

Is there something like Matlab's procrustes function in NumPy/SciPy or related libraries? For… Read more Procrustes Analysis With Numpy?

Scipy Fft - How To Get Phase Angle

I'm having trouble getting the phase of a simple sine curve using the scipy fft module in pytho… Read more Scipy Fft - How To Get Phase Angle

Is Scipy.stats Doing Wrong Calculation For Iqr?

i am coding on a dataset [23,25,28,28,32,33,35] according to wiki and scipy doc IQR = Q3 − Q1 = 33 … Read more Is Scipy.stats Doing Wrong Calculation For Iqr?

Python - Different Regular/analytic Functions

To perform the derivative, I have developed the following code: import matplotlib.pyplot as plt imp… Read more Python - Different Regular/analytic Functions

Scipy.sparse.linalg.spsolve Surprising Behaviour For Large Sparse Matrices On Linux Systems

I am computing the solution of a linear system Ax=b with A a large (typically 200,000 lines and col… Read more Scipy.sparse.linalg.spsolve Surprising Behaviour For Large Sparse Matrices On Linux Systems

Scipy Minimize Constrained Function

I am solving the following optimization problem: with this Python code: from scipy.optimize import… Read more Scipy Minimize Constrained Function

Scipy.integrate.quad Ctypes Function Error "quadpack.error: Quad: First Argument Is A Ctypes Function Pointer With Incorrect Signature"

I am trying to use scipy.integrate.nquad with a ctypes function. I exactly followed the instruction… Read more Scipy.integrate.quad Ctypes Function Error "quadpack.error: Quad: First Argument Is A Ctypes Function Pointer With Incorrect Signature"

Efficiently Populate Scipy Sparse Matrix From Subset Of Dictionary

I need to store word co-occurrence counts in several 14000x10000 matrices. Since I know the matrice… Read more Efficiently Populate Scipy Sparse Matrix From Subset Of Dictionary

Find The Distance Of Each Pair Between Two Vectors

I have two vectors, let's say x=[2,4,6,7] and y=[2,6,7,8] and I want to find the euclidean dist… Read more Find The Distance Of Each Pair Between Two Vectors

Why Does "scipy.optimize.minimize" Gives Me Such A Bad Fit?

I have a function y(x,z) with two variables x, z and 6 coefficients a,b,c,d,e,f. I have the data fo… Read more Why Does "scipy.optimize.minimize" Gives Me Such A Bad Fit?

Scipy / Ctypes Build-config: How To Load Lib?

These docs have a nice example on how to compile some external C/C++ code and load this using ctype… Read more Scipy / Ctypes Build-config: How To Load Lib?