
Displaying a matrix
In Home view, enter the name of the vector or matrix and press . If the vector or matrix is empty,
zero is returned inside double square brackets.
Displaying one element
In Home view, enter matrixname(row,column). For example, if M2 is [[3,4],[5,6]], then M2(1,2)
returns 4.
Storing one element
In Home view, enter value, tap , and then enter matrixname(row,column).
For example, to change the element in the rst row and second column of M5 to 728 and then display the
resulting matrix:
728 5 1 2
Working with matrices 523
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