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Action:
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Manually sets the derivative of ith driving variable.
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Filename:
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kern/kern_scm/law_scm.cxx
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Syntax:
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(law:set-deriv a-law i deriv-law)
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Arg Types:
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a-law
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law | string | real | position |
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par-pos | gvector
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i
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integer
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deriv-law
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law | string | real | position |
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par-pos | gvector
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Returns:
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unspecified
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a-law can be a defined law, a law string, or a constant number.
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i specifies the order of derivative.
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deriv-law specifies the closed form derivative of
law:set-deriv.
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Example:
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; law:set-deriv
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; Create a law
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(define a-law (law "x^2+3"))
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;; a-law
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; Create a deriv-law
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(define deriv-law (law "2*x"))
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;; deriv-law
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; Set the derivative
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(law:set-deriv a-law 0 deriv-law)
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;; #t
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