Python programming language is ideal for doing scientific and engineering calculation and plotting graph of functions. Here is how one can get the y-axis values for linearly spaced x values.

import matplotlib.pyplot as plt

from math import exp

y = []

x = []

for u in range(-10,10):

v = exp(u)

y.append(v)

x.append(u)

plt.plot(x, y)

plt.show

In the python code above, we have used the exponential function in the y axis. Using the for loop we have defined the range of the x values and for each x value we computed the exponential value y.

Here is the plot:

The range function is not particularly useful because it accepts integer as the stepping value and this hinders to use smaller x values.

import matplotlib.pyplot as plt

from math import exp

y = []

x = []

for u in range(-10,10):

v = exp(u)

y.append(v)

x.append(u)

plt.plot(x, y)

plt.show

In the python code above, we have used the exponential function in the y axis. Using the for loop we have defined the range of the x values and for each x value we computed the exponential value y.

Here is the plot:

The range function is not particularly useful because it accepts integer as the stepping value and this hinders to use smaller x values.

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