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On a skew correlation surface. - MaRDI portal

On a skew correlation surface. (Q1453892)

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scientific article; zbMATH DE number 2592275
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On a skew correlation surface.
scientific article; zbMATH DE number 2592275

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    On a skew correlation surface. (English)
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    1925
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    Es sei \[ Z=\dfrac{1}{2\pi \sqrt{1-r^2}}\cdot e^{-\tfrac12\tfrac{1}{1-r^2}(x^2-2rxy+y^2)} \] und \[ Z_{mn}=\dfrac{d^{m+n}Z}{dx^mdy^n}\cdot q_{\mu\nu} \] seien Konstante. Verf. untersucht die von \textit{Edgeworth} betrachtete ``Skew correlation surface'' \[ z = Z -\tfrac16(q_{30}Z_{30} + 3q_{21}Z_{21} + 3q_{12}Z_{12} + q_{03}Z_{03}) \] und bestimmt ihre Momente und ihre wichtigsten Eigenschaften.
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