(optional) scalar parameter of type name
Important: The linalg package has been deprecated. Use the superseding command LinearAlgebra[MatrixExponential], instead.
- For information on migrating linalg code to the new packages, see examples/LinearAlgebraMigration.
The matrix exponential, ⅇA⁢t, is a matrix with the same shape as A and is defined as follows: ⅇA⁢t=I+A⁢t+12!⁢A2⁢t2+... where I is the identity matrix.
If the second parameter is not given, then the first indeterminate (if any) in the matrix is removed and used as a parameter.
The exponential function can only return a symbolic answer if the eigenvalues of A can be found. To get a floating-point approximation, use at least one floating-point entry in A.
The command with(linalg,exponential) allows the use of the abbreviated form of this command.
A ≔ array⁡t,0,0,0,t,0,0,0,t
A ≔ t000t000t
B ≔ array⁡−13,−10,21,16
B ≔ −13−102116
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