ColumnWidths is an option for the low-level function GridBox which specifies the widths to use for columns.
DeleteContents is an option for DeleteDirectory that specifies whether the contents of directories should automatically be deleted.
DirectoryQ["name"] gives True if the directory with the specified name exists, and gives False otherwise.
DiscreteLQEstimatorGains[ss, {w, v}, \[Tau]] gives the optimal discrete-time estimator gain matrix with sampling period \[Tau] for the continuous-time StateSpaceModel object ...
EllipticExpPrime[u, {a, b}] gives the derivative of EllipticExp[u, {a, b}] with respect to u.
FileExistsQ["name"] gives True if the file with the specified name exists, and gives False otherwise.
FlattenAt[list, n] flattens out a sublist that appears as the n\[Null] th element of list. If n is negative, the position is counted from the end. FlattenAt[expr, {i, j, ...
Gradient is an option for FindMinimum and related functions that specifies the gradient vector to assume for the function being extremized.
GroupPageBreakWithin is an option for Cell that specifies whether a page break should be allowed within the group of cells if the notebook that contains the group is printed.
HexadecimalCharacter represents a hexadecimal digit character 0\[Dash]9, a\[Dash]f, A\[Dash]F in StringExpression.