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ToRadicals   (Built-in Mathematica Symbol)
ToRadicals[expr] attempts to express all Root objects in expr in terms of radicals.
ListInterpolation   (Built-in Mathematica Symbol)
ListInterpolation[array] constructs an InterpolatingFunction object that represents an approximate function that interpolates the array of values given. ...
Bessel-Related Functions   (Mathematica Guide)
Using original algorithms developed at Wolfram Research, Mathematica has full coverage of all standard Bessel-related functions—evaluating every function to arbitrary ...
Derivative   (Built-in Mathematica Symbol)
f' represents the derivative of a function f of one argument. Derivative[n_1, n_2, ...][f] is the general form, representing a function obtained from f by differentiating n_1 ...
ExistsRealQ   (Experimental Package Symbol)
ExistsRealQ[ineqs, {x_1, x_2, ...}] tests whether there exist real values of the x_i for which the inequalities and equations ineqs are satisfied.
ForAllRealQ   (Experimental Package Symbol)
ForAllRealQ[ineqs, {x_1, x_2, ...}] tests whether for all real values of the x_i the inequalities and equations ineqs are satisfied.
ImpliesRealQ   (Experimental Package Symbol)
ImpliesRealQ[ineqs_1, ineqs_2] tests whether the inequalities and equations ineqs_1 imply the ineqs_2 for all real values of all variables.
Function Approximations Package ...   (Function Approximations Package Tutorial)
[1] Hairer, E. and G. Wanner. Solving Ordinary Differential Equations II: Stiff and Differential-Algebraic Problems. Springer, 1991. [2] Iserles, A. and S. P. Nørsett. Order ...
DiracComb   (Built-in Mathematica Symbol)
DiracComb[x] represents the Dirac comb function giving a delta function at every integer point. DiracComb[x_1, x_2, ...] represents the multidimensional Dirac comb function.
Change the Format of Numbers   (Mathematica How To)
While there is typically one representation for exact numbers, approximate numbers can be presented differently according to the conventions of different professions or ...
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