Scilab 5.5.2
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See the recommended documentation of this function
derivat
Rational matrix derivative
Calling Sequence
pd=derivat(p)
Arguments
- p
polynomial or rational matrix
Description
The derivat() function works with expressions like which consists of functions of linear combinations with integer exponents of one variable (in the example denoted by z).
The function derivat() implements the analytical derivation of p(z), giving the following result.
Examples
s=poly(0,'s'); derivat(1/s) // -1/s^2;
p1 = poly([1 -2 1], 'x', 'coeff') derivat(p1)
p2 = poly([1 -4 2], 'y', 'coeff') derivat(p2)
p4 = poly([-1 1], 't', 'roots') derivat(p4)
s = %s; p5 = s^{-1} + 2 + 3*s derivat(p5)
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