rot90: Matrix Rotation
In pracma: Practical Numerical Math Functions
rot90 R Documentation
Matrix Rotation
Description
Rotate matrices for 90, 180, or 270 degrees..
Usage
rot90(a, k = 1)
Arguments
a
numeric or complex matrix
k
scalar integer number of times the matrix will be rotated for
90 degrees; may be negative.
Details
Rotates a numeric or complex matrix for 90 (k = 1), 180 (k = 2) or
270 (k = 3 or k = -1) degrees.
Value of k is taken mod 4.
Value
the original matrix rotated
Examples
a <- matrix(1:12, nrow=3, ncol=4, byrow=TRUE)
rot90(a)
rot90(a, 2)
rot90(a, -1)
pracma documentation built on Nov. 10, 2023, 1:14 a.m.
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| rot90 | R Documentation |
Matrix Rotation
Description
Rotate matrices for 90, 180, or 270 degrees..
Usage
rot90(a, k = 1)
Arguments
a |
numeric or complex matrix |
k |
scalar integer number of times the matrix will be rotated for 90 degrees; may be negative. |
Details
Rotates a numeric or complex matrix for 90 (k = 1), 180 (k = 2) or 270 (k = 3 or k = -1) degrees.
Value of k is taken mod 4.
Value
the original matrix rotated
Examples
a <- matrix(1:12, nrow=3, ncol=4, byrow=TRUE)
rot90(a)
rot90(a, 2)
rot90(a, -1)
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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