Как убрать ошибку RuntimeWarning: invalid value encountered in sqrt?

import matplotlib.pyplot as plt
import numpy as np
x=np.linspace(-2,5,100)
y1=x*np.sin(5*x)
y2=-5*np.cos(10*x)*np.sin(3*x)/(x**.5)
plt.plot(x,y1,'g^',
         x,y2,'b--')
plt.xlabel('x')
plt.ylabel('y')
plt.title('Plotting with markers')
plt.legend(['x*np.sin(5*x)',
            '-5*np.cos(10*x)*np.sin(3*x)/(x**.5)'],
            loc='upper left')
plt.show()

...
y2=np.where(x>0, -5*np.cos(10*x)*np.sin(3*x)/(x**.5), np.nan)
...

import matplotlib.pyplot as plt
import numpy as np
 
x = np.linspace(-2, 5, 100)
x1 = np.linspace(.1, 5, 100)
y1 = x * np.sin(5 * x)
y2 = -5 * np.cos(10 * x1) * np.sin(3 * x1) / (x1 ** .5)
plt.plot(x, y1, 'g^', x, y2, 'b--')
plt.xlabel('x')
plt.ylabel('y')
plt.title('Plotting with markers')
plt.legend(['x*np.sin(5*x)', '-5*np.cos(10*x)*np.sin(3*x)/(x**.5)'], loc='upper left')
plt.show()

import numpy as np
x=np.linspace(-2,5,100)
y1=x*np.sin(5*x)
 
# 1.
y2=np.full_like(y1,np.nan)
y2[x>0]=-5*np.cos(10*x[x>0])*np.sin(3*x[x>0])/np.sqrt(x[x>0])
print(y2)
 
#2.
y2=np.where(x>0,-5*np.cos(10*x)*np.sin(3*x)/np.sqrt(np.fabs(x)),np.nan)
print(y2)