Application Guide

90 Alphabetical Listing
imag()
Catalog >
Note: All undefined variables are treated as
real variables. See also real(), page 147
imag(List1) ⇒ list
Returns a list of the imaginary parts of the
elements.
imag(Matrix1) ⇒ matrix
Returns a matrix of the imaginary parts of
the elements.
impDif()
Catalog >
impDif(Equation, Var, dependVar[,Ord])
⇒ expression
where the order Ord defaults to 1.
Computes the implicit derivative for
equations in which one variable is defined
implicitly in terms of another.
Indirection
See #(), page 226.
inString()
Catalog >
inString(srcString, subString[, Start]) ⇒
integer
Returns the character position in string
srcString at which the first occurrence of
string subString begins.
Start, if included, specifies the character
position within srcString where the search
begins. Default = 1 (the first character of
srcString).
If srcString does not contain subString or
Start is > the length of srcString, returns
zero.