matrix hyperbolic sine
t = sinhm(x)
real or complex square matrices.
sinhm(x) is the matrix hyperbolic sine of the matrix x. t=(expm(x)-expm(-x))/2.
sinhm(x)
x
t=(expm(x)-expm(-x))/2
A=[1,2;2,3] asinhm(sinhm(A)) A(1,1)=%i;sinhm(A)-(expm(A)-expm(-A))/2 //Complex case