Constant
Tilgjengelig
Attribute indicating zero derivative with respect to all parameters
Constant
Block[{f}, SetAttributes[f, Constant];Dt[g[f[x, y], x, y]]]
→ (Derivative[0, 1, 0][g][f[x, y], x, y] + Derivative[1, 0, 0][g][f[x, y], x, y]*Derivative[1, 0][f][x, y])*Dt[x] + (Derivative[0, 0, 1][g][f[x, y], x, y] + Derivative[0, 1][f][x, y]*Derivative[1, 0, 0][g][f[x, y], x, y])*Dt[y]constants = Map[ToExpression, Select[Names["System`*"], MemberQ[Attributes[#], Constant]&]]
→ {Catalan, Degree, E, EulerGamma, Glaisher, GoldenRatio, Khinchin, Pi} Alle 6300 funksjoner ·
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