Definition[symbol] prints as the definitions given for a symbol.

Mathematica has many matrix operations that support operations such as building, computing, and visualizing matrices. It also has a rich language for picking out parts of ...

In data analysis, it is often necessary to clean a dataset before analyzing it. Data points with missing entries or that contain invalid values must be removed or replaced by ...

While DSolve usually returns the correct solution to a differential equation it is given, it is common practice to verify the solution returned by any differential equation ...

ColorRules is an option for ArrayPlot which specifies how colors of cells should be determined from values.

f /: lhs = rhs assigns rhs to be the value of lhs, and associates the assignment with the symbol f.

f /: lhs := rhs assigns rhs to be the delayed value of lhs, and associates the assignment with the symbol f.

Block[{x, y, ...}, expr] specifies that expr is to be evaluated with local values for the symbols x, y, .... Block[{x = x_0, ...}, expr] defines initial local values for x, ...

WeierstrassP[u, {g_2, g_3}] gives the Weierstrass elliptic function \[WeierstrassP](u; g_2, g_3).

Not only can Mathematica perform very complicated data analysis, it can also display these results in a formatted, easy-to-read display that can be used in other documents or ...