Full Command and Function Reference 3-71
example) before the current equation is evaluated. If the result is a unit object, only the number
part is plotted.
Access: …µ
FUNCTION
Flags: Simultaneous Plotting (-28), Curve Filling (-31)
Input/Output: None
See also: BAR, CONIC, DIFFEQ, FAST3D, GRIDMAP, HISTOGRAM, PARAMETRIC,
PARSURFACE, PCONTOUR, POLAR, SCATTER, SLOPEFIELD, TRUTH, WIREFRAME,
YSLICE
FXND
CAS: Split a fractional object into its numerator and denominator.
GAMMA
Type: Function
Description: Evaluate the Γ function at the given point. For a positive integer x, Γ(x) is equal to (x +1)!
GAMMA differs from the FACT and ! functions because it allows complex arguments. The
Γ
function is defined by
Γ x() e
t–
t
x 1–
⋅ td
0
+∞
∫
=
.
Access: !´LSPECIAL
Input: A real or complex number, x.
Output:
Γ(x). If the input x is an integer greater than 100, returns the symbolic expression GAMMA(x).
Flags: If the Underflow Exception (–20) or Overflow Exception (–21) flags are set then underflow or
overflow conditions give errors, otherwise they give zero or the maximum real number the calculator
can express.
Complex mode must be set (flag –103 set) if x is complex.
See also: FACT, PSI, Psi, !
GAUSS
CAS: Return the diagonal representation of a quadratic form.
GBASIS
CAS: Return a set of polynomials that are a Grœbner basis G of the ideal I of an input set of
polynomials.
GCD
CAS: Return the greatest common divisor of two objects.
GCDMOD
CAS: Find the greatest common divisor of two polynomials modulo the current modulus.
GET
Type: Command
Description: Get Element Command: Returns from the argument 1/level 2 array or list (or named array or
list) the real or complex number z
get
or object obj
get
whose position is specified in argument
2/level 1. For matrices, n
position
is incremented in row order.
Access: !°
LIST ELEMENTS GET ( °is the left-shift of the Nkey).
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