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The right square bracket symbol is used in combination with the left square bracket symbol to group the contents of a matrix together. It is also used in computing to represent the end of an array. For example, the right square bracket is used in the expression below to represent the end of the matrix.
The left square bracket symbol is used in math to delineate the start of a matrix.
The left parenthesis symbol is used to mark the start of an expression, or in the case of a function, a list of expressions.
The right parenthesis is used to mark the end of a group.
Left curly brace symbol.
Right curly brace.
In math, a matrix is a function that maps between two vector spaces. A matrix can also be thought of as a shorthand way to write a system of linear equations.
An array is a computer programming construct for storing contiguous data. The data can be accessed through indexing the array with the location of each element.