Alternative Equation Formats

The equation on this page is available in multiple formats. Depending on your browser, some formats might not render correctly.

MathML

\sum_{i = 1}^{j} y_{i} x_{i}

\sum_{i = 1}^{j} y_{i} x_{i}

$\sum _{i=1}^ j y_ i \mb{x}_ i$