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MTM[cosint] - cosine integral

Calling Sequence

cosint(x)

Parameters

x

-

expression

Description

• 

The cosine integral is defined for all complex x as follows:

γ+lnx+0xcost1tⅆt

• 

When x is a container object such as an Array or list, the cosint(x) function computes the element-wise cosine integral of x.  For example when x is a Matrix the result R is formed as R[i,j] = Ci(x[i,j]).

• 

When x is numeric, cosint(x) is equivalent to Ci(x).

Examples

withMTM:

x:=Matrix2,3,'fill'=3+I:

cosintx

Ci3I+IπCi3I+IπCi3I+IπCi3I+IπCi3I+IπCi3I+Iπ

(1)

See Also

Ci, MTM[sinint]


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