pder
Syntax
pder(vectorFunction, parameter)
Description
Suppose vectorFunction is in the form [x(t) y(t)] and
parameter = t. This function calculates

Warning
This function probably only works when Vector Format is set to Rectangular (in Document Settings).
Parameters
vectorFunction
A vector function in row matrix form. It must be at least 2 dimensional and only
the first two elements will be used.
Return Value
The derivative in the description.
Examples
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