Call: INTERPOLATE_i
This procedure uses, depending on the compilation, either the ESSL
routine STPINT or the CERNLIB procedure
DIVDIF.
Both x_vector and y_vector should be a 1-dimensional
Matrix. They should have the
same length, and the length should be at least equal to the order
of interpolation + 1. If the length is less, then the order of
interpolation is lowered accordingly.
The vector x_vector should be in strictly increasing or in
strictly decreasing order, i.e. an element may not be equal
to the element preceding or following it.
[These are mandatory arguments, no defaults are supplied.]
The coordinate at which interpolation is to be performed
should either be a Number
or a Matrix of any shape.
In either case, all values should be in the range spanned by
the x_vector.
If a coordinate is outside this range, then 0 is returned.
No error condition is raised in this case.
[This is a mandatory argument, no default is supplied.]
Contains, on successful completion, the result of the interpolation
in the form of a Number or a
Number with a shape identical
that the shape of x.
Any value associated with this argument at the time the procedure
is called, is lost after execution of the procedure.
[This is a mandatory argument.]
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Formatted on 21/01/18 at 16:55.