:ķ˫

ʽ:Acosh(a)

˵:aΪݻ߾,Ϊʱ,ֵǶԾÿһݽAcosh.

ע:aһΪd,d+(d^2-1)^0.50,򷵻ص.

:

a =[ 3.00000000000000  5.00000000000000  4.00000000000000
     5.00000000000000  2.00000000000000  5.00000000000000  ]

acosh(a)//س
ans =
[ 1.76274717403909  2.29243166956118  2.06343706889556
  2.29243166956118  1.31695789692482  2.29243166956118  ]