Course Introduction

\(\alpha_{t=1}\): just a greek letter

\(\text{This is an inline math} \sim \sum_{k=0}^{11}\)

\[J(w)=-\frac{1}{m} \sum_{i=1}^{m} \big[ y_i\ log(p_{i}) + (1-y_{i})\ log(1-p_{i}) \big]\]

import numpy as np
from matplotlib import pyplot as plt
%matplotlib inline

x = np.linspace(1E-3, 2 * np.pi)

plt.plot(x, np.sin(x) / x)
plt.plot(x, np.cos(x))
plt.grid()