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 ...

TextRecognize (Built-in Mathematica Symbol)

TextRecognize[image] recognizes text in image and returns it as a string.

Dummy Variables in Mathematics (Mathematica Tutorial)

When you set up mathematical formulas, you often have to introduce various kinds of local objects or "dummy variables". You can treat such dummy variables using modules and ...

WorkingPrecision (Built-in Mathematica Symbol)

WorkingPrecision is an option for various numerical operations that specifies how many digits of precision should be maintained in internal computations.

References (Mathematica Tutorial)

[AN96] Adams, L. and J. L. Nazareth. (Eds.) Linear and Nonlinear Conjugate Gradient-Related Methods. SIAM, 1996. [Br02] Brent, R. P. Algorithms for Minimization without ...

E (Built-in Mathematica Symbol)

E is the exponential constant E (base of natural logarithms), with numerical value \[TildeEqual] 2.71828.

LocallyExact Method for NDSolve (Mathematica Tutorial)

A differential system can sometimes be solved by analytic means. The function DSolve implements many of the known algorithmic techniques. However, differential systems that ...

Contours (Built-in Mathematica Symbol)

Contours is an option for contour plots that specifies the contours to draw.

WeierstrassZeta (Built-in Mathematica Symbol)

WeierstrassZeta[u, {g_2, g_3}] gives the Weierstrass zeta function \[Zeta](u; g_2, g_3).

Functions That Do Not Have Unique Values (Mathematica Tutorial)

When you ask for the square root s of a number a, you are effectively asking for the solution to the equation s^2a. This equation, however, in general has two different ...