Description Usage Arguments Value Examples
The function checks if a point (one row in the input argument) is inside the closed unit ball \{\vec{x} \in R^n : \Vert x \Vert_2 ≤q 1\} or not. If the input matrix contains entries that are not numeric, i.e., not representing real numbers, the function throws an error. The dimension n is automatically inferred from the input matrix and is equal to the number of columns.
1 |
x |
Matrix with numeric entries. Each row represents one point |
Vector where each element (TRUE or FALSE) indicates if a point is in the closed unit ball
1 2 | x <- matrix(rnorm(30),10,3)
checkClosedUnitBall(x)
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