Scilab 6.0.0
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- Elementary Functions
- Trigonometry
- acos
- acosd
- acosh
- acoshm
- acosm
- acot
- acotd
- acoth
- acsc
- acscd
- acsch
- asec
- asecd
- asech
- asin
- asind
- asinh
- asinhm
- asinm
- atan
- atand
- atanh
- atanhm
- atanm
- cos
- cosd
- cosh
- coshm
- cosm
- cotd
- cotg
- coth
- cothm
- csc
- cscd
- csch
- csgn
- sec
- secd
- sech
- sin
- sinc
- sind
- sinh
- sinhm
- sinm
- tan
- tand
- tanh
- tanhm
- tanm
Please note that the recommended version of Scilab is 2025.0.0. This page might be outdated.
See the recommended documentation of this function
acosm
matrix wise cosine inverse
Syntax
t = acosm(x)
Arguments
- x
a real or complex square matrix.
- t
a real or complex square matrix.
Description
t are cosine inverse of the x
matrix. Diagonalization method is used. For non-symmetric matrices result
may be inaccurate. One has
t=-%i*logm(x+%i*sqrtm(eye()-x*x)).
Examples
A=[1,2;3,4]; cosm(acosm(A))
See also
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