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Intorno ad una serie di linee di \(2^\circ\) grado. - MaRDI portal

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Intorno ad una serie di linee di \(2^\circ\) grado. (Q1529649)

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scientific article; zbMATH DE number 2685840
Language Label Description Also known as
English
Intorno ad una serie di linee di \(2^\circ\) grado.
scientific article; zbMATH DE number 2685840

    Statements

    Intorno ad una serie di linee di \(2^\circ\) grado. (English)
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    1892
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    Es wird die bei Variation eines Parameters \(\lambda\) durchlaufene Schar confocaler Linien zweiten Grades \[ \frac{x^2}{a^2}+ \frac{y^2}{b^2}=1 \] für die Relation \[ a^2= \frac{a^{\prime 2}\alpha'- a^{\prime\prime 2} \alpha''\lambda} {\alpha'-\alpha''\lambda}; \qquad b^2= \frac{b^{\prime 2}\beta'- b^{\prime\prime 2}\beta''\lambda} {\beta'- \beta''\lambda} \] untersucht und daran zahlreiche Beobachtungen gemacht (vergl. das folgende Referat, JFM 24.0687.02).
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