Positive Definite Tensor

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More things to try:

• area inside x^2 - 2xy + 4y^2 = 4
• control systems transfer function {1/(s-1),1/s}
• more than 5 sixes with 10 dice

Cite this as:

Weisstein, Eric W. "Positive Definite Tensor." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/PositiveDefiniteTensor.html

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