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["Marshall Feldman" <address@hidden>]

Hi,

 

In an array of “equations,”  the left and right sides are separated by arrows. E.g.,

 

            A + B -> C

            C -> D

 

Is there any way to make the different rows of the array align on the arrows, to get the following for the above example:

 

A + B -> C

                  C -> D

 

In a related matter, an equation array designates an unspecified number of variables. With one equation per variable, I need to put an ellipse in each row and another between the next-to-last and last rows, as in:

 

            p₁X₁₁ + p₂X₂₁ + … + p_nX_n1 = p₁X₁

            p₁X₁₂ + p₂X₂₂ + … + p_nX_n2 = p₂X₂

                                                     _{. . .}

            p₁X_1n + p₂X_2n + … + p_nX_nn = p_nX_n

 

I’d like the ellipse between rows to line up with the one embedded in the equations. Is there a way to do this?

 

Thanks.

Dr. Marshall Feldman, PhD
Associate Professor and Associate Chair
Department of Community Planning and Landscape Architecture
The University of Rhode Island
310 Lippitt Hall
Kingston, RI 02881-0815
Tel. 401.874.5953
Fax. 401.874.5511
Email address@hidden