Abstract
The array environment is used to write a set of equations, or an array of numbers or, with the addition of math parentheses, a matrix.
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The entire array is bracketed by in-text delimiters,\(and \), or,more reasonably, by displaymath delimiters,\[and \].
The array environment takes a single mandatory argument, which indicates: (1) the number of columns, (2) their print justification and (3) whether lines are to be drawn on the sides of the column.
Numbers between columns are separated by a &. There is no & at the end of a row.
A \\ indicates the end of a row. There is no final \\ in the last row.
Don’t put extra spaces between numbers in a column; for example, write ‘4-x’, not ‘4 - x’. Extra spaces between columns are ignored.
As in the minipage format, several arrays--or expressions and arrays—can be associated horizontally. By default, the vertical centers (c of the group are aligned in a row. As with the minipage environment, relative positioning can be manipulated by writing a t for top or b for bottom in the optional square bracket argument. This aligns the top or bottom of the array with the vertical center of the row of arrays. See Example 4.
Arrays can appear inside arrays. See Example 5.
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© 1999 Springer Science+Business Media New York
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Lipkin, B.S. (1999). Arrays: Multi-Line Math Mode. In: Latex for Linux. Springer, New York, NY. https://doi.org/10.1007/978-1-4612-1462-5_22
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DOI: https://doi.org/10.1007/978-1-4612-1462-5_22
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