nicoguaro

nicoguaro

# -*- coding: utf-8 -*-
"""
Fit an ellipse for a point cloud

@author: Nicolas Guarin-Zapata
"""
from __future__ import division, print_function
import numpy as np
from numpy import sin, cos, arctan2, mean
from numpy.linalg import norm

nicoguaro

import numpy as np
from numpy.polynomial import Polynomial


rng = np.random.default_rng()
x = np.arange(10)
y = np.arange(10) + 0.01*rng.standard_normal(10)

p_fitted = np.polynomial.Polynomial.fit(x, y, deg=1)

nicoguaro

# -*- coding: utf-8 -*-
import matplotlib.pyplot as plt
from wordcloud import WordCloud, STOPWORDS


#%%
f = open('output_file.txt', 'r', encoding="utf8")
text = f.read()
f.close()

nicoguaro

nicoguaro

import numpy as np
import matplotlib.pyplot as plt
from skimage import measure


y, x, z = np.mgrid[-2:2:100j, -2:2:100j, -2:2:100j]
f = (x**2 + 9/4*y**2 + z**2 - 1)**3 - x**2 * z**3 - 9/80*y**2*z**3
verts, faces, _, _ = measure.marching_cubes(f, 0, spacing=(0.1, 0.1, 0.1))

fig = plt.figure()

nicoguaro

# -*- coding: utf-8 -*-
"""
Plot the convex hull around a set of points as a
shaded polygon.

@author: Nicolas Guarin Zapata
@date: October 15, 2014
"""
import numpy as np
from scipy.spatial import ConvexHull

nicoguaro

import numpy as np
from matplotlib import pyplot as plt

def plotdf(f, xran=[-5, 5], yran=[-5, 5], grid=[21, 21], color='k'):
    """
    Plot the direction field for an ODE written in the form 
        x' = F(x,y)
        y' = G(x,y)
    
    The functions F,G are defined in the list of strings f.

nicoguaro

# -*- coding: utf-8 -*-
"""
Eigenvalues for matrices with random entries with values of 1 or -1

@author: Nicolás Guarín-Zapata
@date: November 2022
"""

import numpy as np
import matplotlib.pyplot as plt

nicoguaro

"""
Mohr circle in 2D.

@author: Nicolás Guarín-Zapata
@date: May 2020
"""
import numpy as np
import matplotlib.pyplot as plt
from matplotlib import rcParams
rcParams['font.family'] = 'serif'