import math

import matplotlib.pyplot as plt
import numpy as np

tlist = np.arange(-1.5, 1.5, .1)
l = []

for i in np.arange(-100, 100, 25):
    for j in np.arange(-100, 100, 25):
        x = [-i*math.e ** (-t) + -j*math.e ** (-1.8*t) for t in tlist]
        y = [i*math.e ** (-t) + .1*j*math.e ** (-1.8*t) for t in tlist]
        plt.plot(x, y)
        l.append("c = " + str(i))

#plt.legend(l)
plt.xlabel("x")
plt.ylabel("y")
plt.title('title')
plt.title("ODE lambda=-1,-1.8")
plt.show()

7887c234e97864cc23caca90b99b640f676cd836
<mask token>

<mask token>
for i in np.arange(-100, 100, 25):
    for j in np.arange(-100, 100, 25):
        x = [(-i * math.e ** -t + -j * math.e ** (-1.8 * t)) for t in tlist]
        y = [(i * math.e ** -t + 0.1 * j * math.e ** (-1.8 * t)) for t in tlist
            ]
        plt.plot(x, y)
        l.append('c = ' + str(i))
plt.xlabel('x')
plt.ylabel('y')
plt.title('title')
plt.title('ODE lambda=-1,-1.8')
plt.show()

<mask token>
tlist = np.arange(-1.5, 1.5, 0.1)
l = []
for i in np.arange(-100, 100, 25):
    for j in np.arange(-100, 100, 25):
        x = [(-i * math.e ** -t + -j * math.e ** (-1.8 * t)) for t in tlist]
        y = [(i * math.e ** -t + 0.1 * j * math.e ** (-1.8 * t)) for t in tlist
            ]
        plt.plot(x, y)
        l.append('c = ' + str(i))
plt.xlabel('x')
plt.ylabel('y')
plt.title('title')
plt.title('ODE lambda=-1,-1.8')
plt.show()

import math
import matplotlib.pyplot as plt
import numpy as np
tlist = np.arange(-1.5, 1.5, 0.1)
l = []
for i in np.arange(-100, 100, 25):
    for j in np.arange(-100, 100, 25):
        x = [(-i * math.e ** -t + -j * math.e ** (-1.8 * t)) for t in tlist]
        y = [(i * math.e ** -t + 0.1 * j * math.e ** (-1.8 * t)) for t in tlist
            ]
        plt.plot(x, y)
        l.append('c = ' + str(i))
plt.xlabel('x')
plt.ylabel('y')
plt.title('title')
plt.title('ODE lambda=-1,-1.8')
plt.show()

import math

import matplotlib.pyplot as plt
import numpy as np

tlist = np.arange(-1.5, 1.5, .1)
l = []

for i in np.arange(-100, 100, 25):
    for j in np.arange(-100, 100, 25):
        x = [-i*math.e ** (-t) + -j*math.e ** (-1.8*t) for t in tlist]
        y = [i*math.e ** (-t) + .1*j*math.e ** (-1.8*t) for t in tlist]
        plt.plot(x, y)
        l.append("c = " + str(i))

#plt.legend(l)
plt.xlabel("x")
plt.ylabel("y")
plt.title('title')
plt.title("ODE lambda=-1,-1.8")
plt.show()
