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  2. Cross-lagged panel model - Wikipedia

    en.wikipedia.org/wiki/Cross-lagged_panel_model

    With these four measures, there are six possible relations among them – two synchronous or cross‐sectional relations (see cross‐sectional design) (between X1 and Y1 and between X2 and Y2), two stability relations (between X1 and X2 and between Y1 and Y2), and two cross‐lagged relations (between X1 and Y2 and between Y1 and X2)."

  3. Standard step method - Wikipedia

    en.wikipedia.org/wiki/Standard_Step_Method

    To find the length of the gradually varied flow transitions, iterate the “step length”, instead of height, at the boundary condition height until equations 4 and 5 agree. (e.g. For an M1 Profile, position 1 would be the downstream condition and you would solve for position two where the height is equal to normal depth.)

  4. Folium of Descartes - Wikipedia

    en.wikipedia.org/wiki/Folium_of_Descartes

    The curve was first proposed and studied by René Descartes in 1638. [1] Its claim to fame lies in an incident in the development of calculus.Descartes challenged Pierre de Fermat to find the tangent line to the curve at an arbitrary point since Fermat had recently discovered a method for finding tangent lines.

  5. Microsoft Excel - Wikipedia

    en.wikipedia.org/wiki/Microsoft_Excel

    Microsoft Excel is a spreadsheet editor developed by Microsoft for Windows, macOS, Android, iOS and iPadOS.It features calculation or computation capabilities, graphing tools, pivot tables, and a macro programming language called Visual Basic for Applications (VBA).

  6. Rotation of axes in two dimensions - Wikipedia

    en.wikipedia.org/wiki/Rotation_of_axes_in_two...

    In mathematics, a rotation of axes in two dimensions is a mapping from an xy-Cartesian coordinate system to an x′y′-Cartesian coordinate system in which the origin is kept fixed and the x′ and y′ axes are obtained by rotating the x and y axes counterclockwise through an angle .

  7. Jeremiah Smith passes Cris Carter for most TD catches by a ...

    www.aol.com/sports/jeremiah-smith-passes-cris...

    Smith now has 45 catches for 765 yards and nine scores in nine games this season after Ohio State's 45-0 win over Purdue.He entered the game tied with Pro Football Hall of Fame member Cris Carter ...

  8. Reduction of order - Wikipedia

    en.wikipedia.org/wiki/Reduction_of_order

    Consider the general, homogeneous, second-order linear constant coefficient ordinary differential equation. (ODE) ″ + ′ + =, where ,, are real non-zero coefficients. . Two linearly independent solutions for this ODE can be straightforwardly found using characteristic equations except for the case when the discriminant, , vanish

  9. Garrett Wilson's 1-handed grab might be the NFL's catch of ...

    www.aol.com/sports/garrett-wilsons-1-handed-grab...

    Garrett Wilson's touchdown grab was so unbelievable, officials didn't even call it right in real time. They ruled the New York Jets receiver out of bounds in Thursday night's game against the ...