is_diagonal: Is diagonal matrix
In tester: Tests and Checks Characteristics of R Objects
View source: R/is_square_matrix.r
is_diagonal R Documentation
Is diagonal matrix
Description
Test if an object is a diagonal matrix (or not) (i.e.
square matrix with zeros above and below the diagonal)
Usage
is_diagonal(x)
Arguments
x
an R object
See Also
is_matrix, is_square_matrix
Examples
m1 = diag(1:3, 3, 3)
m2 = matrix(1:9, 3, 3)
is_diagonal(m1) # TRUE
is_diagonal(m2) # FALSE
is_not_diagonal(m2) # TRUE
tester documentation built on Nov. 6, 2025, 1:14 a.m.
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View source: R/is_square_matrix.r
| is_diagonal | R Documentation |
Is diagonal matrix
Description
Test if an object is a diagonal matrix (or not) (i.e. square matrix with zeros above and below the diagonal)
Usage
is_diagonal(x)
Arguments
x |
an R object |
See Also
is_matrix, is_square_matrix
Examples
m1 = diag(1:3, 3, 3)
m2 = matrix(1:9, 3, 3)
is_diagonal(m1) # TRUE
is_diagonal(m2) # FALSE
is_not_diagonal(m2) # TRUE
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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