Call: DERIVATIVE
A 1-dimensional Matrix
of ordinates.
This array must be strictly in increasing order and must
have the same length as y.
A 1-dimensional Matrix
of function values.
This array must have the same length as x.
A Number, the value of
x at which y'(x) is to be computed.
On return, a Number
approximately equal to y'(x)
A character String that
can contain the following keywords:
| Keyword |
Meaning |
Notes |
LINEAR |
Linear interpolation |
Rarely useful |
PARABOLIC |
Quadratic interpolation |
Default |
CUBIC |
Cubic interpolation |
Risk of oscillation |
Go to the top level,
to Call,
to DERIVATIVE,
to the topic index,
to the table of contents, or to the full text.
Formatted on 21/01/18 at 16:55.