Expression Type

IsArray(x) Returns 1 if x is a vector or matrix. Returns 0 otherwise.

IsNaN(x) Returns 1 if x is NaN. Returns 0 otherwise.

IsScalar(x) Returns 1 if x is a real or complex scalar. Returns 0 otherwise.

IsString(x) Returns 1 if x is a string. Returns 0 otherwise.

SIUnitsOf(z) Returns the dimensions of z scaled to the default SI unit, regardless of your chosen unit system. Returns 1 if z has no units.

UnitsOf(z) Returns the dimensions of z scaled to the default SI unit. Returns 1 if z has no units.

Arguments:

Notes:

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