Alternative Equation Formats

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MathML

J_{m, d} (f) = \int \dots \int \sum_{α_{1} + \dots + α_{d} = m} \frac{m!}{α_{1}! \dots α_{d}!} {(\begin{matrix} \frac{\partial^{m} f}{\partial {x_{1}}^{α_{1}} \dots \partial {x_{d}}^{α_{d}}} \end{matrix})}^{2} d x_{1} \dots d x_{d}

Math Rendered as SVG

Math as LaTeX Source

\[ J_{m,d}(f)= \int \cdots \int \sum _{\alpha _1+\cdots +\alpha _ d=m} \frac{m!}{\alpha _1!\cdots \alpha _ d !} \left( \begin{array}{c} \frac{\partial ^ m f}{\partial {x_1}^{\alpha _1}\cdots \partial {x_ d}^{\alpha _ d}} \end{array}\right)^2 \, \mr{d}x_1\cdots \mr{d}x_ d \]