3A9B8 |
xNEG
|
( x → x' )
Negate Analytic Func
--
Changes the sign or negates an
object.
--
z → -z
#n1 → #n2
[ arr ] → [ -arr ]
'sym' → '-(sym)'
x_u → -x_u
grob1 → grob2
PICT1 → PICT2
--
Related: ABS,CONJ,NOT,SIGN
|
3E98E |
xNEXT
|
( → )
NEXT Cmd
--
Ends definite loop structures.
See the FOR and START command
entries for syntax information.
--
Related: FOR,START,STEP
|
3DDBE |
xNOT
|
( x → x' )
NOT Cmd
--
Returns the one's complement or
the logical inverse of the argument.
--
#n1 → #n2
T/F → 0/1
"str1" → "str2"
'sym' → 'NOT sym'
--
Related: AND,OR,XOR
|
0550AB |
~xNSUB
|
( → npos )
Number of Sublist Cmd
--
Provides a way to access the
current sublist position during
an iteration of a program or
command applied using DOSUBS.
--
Related: DOSUBS,ENDSUB
|
3A648 |
x>NUM
|
( x → x' )
Evaluate to Number Cmd
--
Evaluates a symbolic argument
object and returns the numerical
result.
--
objsym → z
--
Related: →Q,→Qpi
UserRPL: x→NUM
|
3A3BD |
xOFF
|
( → )
Off Cmd
--
Turns off the calculator.
--
Related: CONT,HALT,KILL
|
3DD33 |
xOR
|
( x y → x' )
OR Func
--
Returns the logical OR of two
arguments.
--
#n1 #n2 → #n3
"str1" "str2" → "str3"
T/F1 T/F2 → 0/1
T/F 'sym' → 'T/F OR sym'
'sym' T/F → 'sym OR T/F'
'sym1' 'sym2' → 'sym1 OR sym2'
--
Related: AND,NOT,XOR
|
3DC60 |
xPARAMETRIC
|
( → )
Parametric Plot Type Cmd
--
Sets the plot type to PARAMETRIC.
--
Related: BAR,CONTOUR,DIFFEQ,FUNCTION, GRIDMAP,HISTOGRAM,PARSURFACE,PCONTOUR, POLAR,SCATTER,SLOPEFIELD,TRUTH, WIREFRAME,YSLICE
|
0110AB |
~xPCOEF
|
( [roots] → [coefs] )
Monic Polynomial Coefficients Cmd
--
Returns the coefficients of a
monic polynomial (a polynomial
with a leading coefficient of 1)
having specific roots.
--
Related: PEVAL,PROOT
|
3C624 |
xPERM
|
( n k → n' )
Permutations Func
--
Returns the number of possible
permutations of n items taken m
at a time.
--
n m → Pn,m
'symn' m → 'PERM(symn,m)'
n 'symm' → 'PERM(n,symm)'
'symn' 'symm' → 'PERM(symn,symm)'
--
Related: COMB,!
|
0120AB |
~xPEVAL
|
( [coefs] x → x' )
Polynomial Evaluation Cmd
--
Evaluates an n-degree polynomial
at x.
--
Related: PCOEFF,PROOT
|
03F701 |
~xPINIT
|
( → )
Port Initialize Cmd
--
Initializes all currently active
ports. Does not affect data
already stored in a port.
|
3DC54 |
xPOLAR
|
( → )
Polar Plot Type Cmd
--
Sets the plot type to POLAR.
--
Related: BAR,CONIC,DIFFEQ,FUNCTION, GRIDMAP,HISTOGRAM,PARAMETRIC,PARSURFACE, PCONTOUR,SCATTER,SLOPEFIELD,TRUTH, WIREFRAME,YSLICE
|
0100AB |
~xPROOT
|
( [coefs] → [roots] )
Polynomial Roots Cmd
--
Returns all roots of an n-degree
polynomial having real or complex
roots.
--
Related: PCOEFF,PEVAL
|
0A20F2 |
~xPSDEV
|
( → xpsdev )
( → {x1...xn} )
Population Standard Deviation Cmd
--
Calculates the population standard
deviation of each of the m
columns of coordiate values in
the current stastics matrix
(reserved variable ΣDAT).
--
<REF>TEXT:Reserved|ΣDAT
--
Related: MEAN,PCOV,PVAR,SDEV,TOT,VAR
|
2BDA2 |
xPVARS
|
( nport → {} mem )
Port-Variables Cmd
--
Returns a list of the backup objects
(:nport:name) and the lib-
rary objects (:nport:nlibrary) in
the specified port. Also returns
the available memory size (if
RAM) or the memory type.
--
Related: VARS
|
3D80A |
x->Q
|
( x → a/b )
To Quotient Cmd
--
Returns a rational form of the
argument.
--
x → 'a/b'
(x,y) → 'a/b+c/d*i
'sym1' → 'sym2'
--
Related: →Qπ,/
UserRPL: x→Q
|
3D829 |
x->QPI
|
( x → symb )
To Quotient Times π Cmd
--
Returns a rational form of the
argument, or a rational form of
the argument with π factored out,
whichever yields the smaller
denominator.
--
x → 'a/b*π'
x → 'a/b'
'sym1' → 'symb2'
(x,y) → 'a/b*π+c/d*π*i
(x,y) → 'a/b+c/d*i
--
Related: →Q,/,π
UserRPL: x→Qπ
|
00C0AB |
~xQR
|
( [[]] → [[Q]] [[R]] [[P]] )
QR Factorization of a Matrix Cmd
--
Returns the QR factorization of
an n×m matrix.
--
Related: LQ,LSQ
|
3DB03 |
xQUAD
|
( symb var → symb' )
Solve Quadratic Equation Cmd
--
Solves an algebraic object symb
for the variable var, and
returns an expression symb'
representing the solution.
--
Related: COLCT,EXPAN,ISOL,SHOW,SOLVE
|
3D068 |
xQUOTE
|
( ob → 'ob )
Quote Argument Func
--
Returns its argument unevaluated.
--
'sym' → 'sym'
obj → obj
--
Related: APPLY,|
|
3C5AD |
xRAND
|
( → x )
Random Number Cmd
--
Returns a pseudo-random number
generated using a seed value, and
updates the seed value.
--
Related: COMB,PERM,RDZ,!
|
0050AB |
~xRANK
|
( [[]] → n )
Matrix Rank Cmd
--
Returns the rank of a rectangular
matrix.
--
Related: LQ,LSQ,QR
|
03C0AB |
~xRANM
|
( {m n} → [[]] )
( [[]] → [[]]' )
Random Matrix Cmd
--
Returns a matrix of specified
dimensions that contains random
integers in the range -9 through
9.
--
{ m n } → [[ rand mat ]]m×n
[[ mat ]]m×n → [[ rand mat ]]m×n
--
Related: RAND,RDZ
|
3D977 |
xPREDIV
|
( x y → x/y )
Prefix Divide Func
--
Prefix form of / (divide) generated
by the Equation Writer Application.
--
z1 z2 → z1/z2
[arr] [[mat]] → [[arr×mat^-1]]
[arr] z → [arr/z]
z 'sym' → 'z/sym'
'sym' z → 'sym/z'
'sym1' 'sym2' → 'sym1/sym2'
#n1 n2 → #n3
n1 #n2 → #n3
#n1 #n2 → #n3
x_u1 y_u2 → (x/y)_u1/u2
x y_u → (x/y)_1/u
x_u y → (x/y)_u
'sym' x_u → 'sym/x_u'
x_u 'sym' → 'x_u/sym'
--
Related: /
UserRPL: xRATIO
|
0490AB |
~xRCI
|
( [[]] x nrow → [[]]' )
[] x n []'
Multiply Row by Constant Cmd
--
Multiplies row n of a matrix (or
element n of a vector) by a const
x, and returns the modified
matrix.
--
Related: RCIJ
|
04A0AB |
~xRCIJ
|
( [[]] x n* n+ → [[]]' )
( [] x n* n+ → []' )
Add Multiplied Row Cmd
--
Multiplies row n* of a matrix by a
constant x, adds this product
to row n+ of the matrix, and
returns the modified matrix. Or,
multiplies element n* of a vector
by a constant x, adds this
product to element n+ of the vector,
and returns the modified
vector.
--
Related: RCI
|
3C5C2 |
xRDZ
|
( x → )
Randomize Cmd
--
Uses a real number xseed as a
seed for the RAND command.
--
Related: COMB,PERM,RAND,!
|
3CA30 |
xRE
|
( (x,y) → x )
( [] → []' )
Real Part Func
--
Returns the real part of the
argument.
--
x → x
x_u → x
(x,y) → x
[ R-arr ] → [ R-arr ]
[ C-arr ] → [ R-arr ]
'sym' → 'RE(sym)'
--
Related: C→R,IM,R→C
|
3E634 |
xREPEAT
|
( 1/0 → )
REPEAT Cmd
--
Starts loop clause in
WHILE ... REPEAT ... END
indefinite loop structure.
--
Related: END,WHILE
|
0180AB |
~xREVLIST
|
( {1...n} → {n...1}' )
Reverse List Cmd
--
Reverses the order of the
elements in a list.
--
Related: SORT
|
3C07F |
xRND
|
( x n → x' )
Round Func
--
Rounds an object to a specified
number of decimal places or
significant digits, or to fit the
current display format.
--
z1 nrnd → z2
z 'symrnd' → 'RND(z,symrnd)'
'sym' nrnd → 'RND(symb,nrnd)'
'sym1' 'symrnd' → 'RND(sym1,symrnd)'
[arr1] nrnd → [arr2]
x_u nrnd → y_u
x_u 'symrnd' → 'RND(x_u,symrnd)'
--
Related: TRNC
|
3C307 |
xRNRM
|
( [] → x )
Row Norm Cmd
--
Returns the row norm (infinity
norm) of its argument array.
--
Related: CNRM,CROSS,DET,DOT
|
3CCB5 |
xROOT
|
( prog/s var guess → x )
( prog/s var {guesses} → x )
Root-Finder Cmd
--
Returns a real number xroot that
is a value of the specified
variable var for which the
specified program or algebraic object
most nearly evaluates to zero or
a local extremum.
|
0430AB |
~xROW-
|
( [[]] nrow → [[]]' [] )
( [] n → []' elt )
Delete Row Cmd
--
Deletes row n of a matrix (or
element n of a vector), and
returns the modified matrix (or
vector) and the deleted row (or
element).
--
Related: COL-,COL+,ROW-,RSWP
|
0440AB |
~xROW+
|
( [[]] [[]]' n → [[]]" )
( [[]] [] n → [[]]' )
( [] n n' → [] )
Insert Row Cmd
--
Inserts an array into a matrix
(or one or more numbers into a
vector) at a position indicated
by nindex, and returns the
modified matrix (or vector).
--
Related: COL-,COL+,ROW-,RSWP
|
00F0AB |
~xRREF
|
( [[]] → [[]]' )
Reduced Row Echelon Form Cmd
--
Converts a rectangular matrix to
a reduced row echelon form.
|
3C430 |
xRSD
|
( [B] [[A]] [Z] → []' )
( [[B]] [[A]] [[Z]] → [[]]' )
Residual Cmd
--
Computes the residual B - AZ of
the arrays B, A, and Z.
|
0470AB |
~xRSWP
|
( []/[[]] i j → []/[[]] )
Row Swap Cmd
--
Swaps rows i and j of a matrix
and returns the modified matrix,
or swaps elements i and j of a
vector and returns the modified
vector.
--
Related: CSWP,ROW+,ROW-
|
3DA79 |
xRULES
|
|
3C24F |
xR>D
|
( x → (180/π)x )
Radians to Degrees Func
--
Converts a real number expressed
in radians to its equivalent in
degrees.
--
x → (180/π)x
'sym' → 'R→D(sym)'
--
Related: D→R
UserRPL: xR→D
|
3DC72 |
xSAME
|
( ob1 ob2 → 1/0 )
Display information about the makers of the
calculator.
Same Object Cmd
--
Compares two objects, and returns
a true result (1) if they are
identical, and a false result (0)
if they are not.
--
Related: TYPE,==
|
00E0AB |
~xSCHUR
|
( [[]] → [[Q]] [[T]] )
Schur Decomp. of Squ. Matrix Cmd
--
Returns the Schur decomposition
of a square matrix.
--
Related: LQ,LU,QR,SVD,SVL,TRN
|
0130AB |
~xSEQ
|
( prog var start end incr → {} )
Sequential Calculation Cmd
--
Returns a list of results generated
ated by repeatedly executing prog
using index var over the range
start to end, in increments of
incr.
--
Related: DOSUBS,STREAM
|
3DB51 |
xSHOW
|
( symb name → symb' )
( symb {names} → symb' )
Show Variable Cmd
--
Returns symb' which is equivalent
to symb except that all
implicit references to a variable
name are made explicit.
--
Related: COLCT,EXPAN,ISOL,QUAD
|
3B5EF |
xSIGN
|
( x → x' )
Sign Func
--
Returns the sign of a real number
argument, the sign of the numerical
part of a unit object argument,
or the unit vector in the
direction of a complex number
argument.
--
Related: ABS,MANT,XPON
|
3B781 |
xSIN
|
( x → x' )
Sine Analytic Func
--
z → sin z
'sym' → 'SIN(sym)'
x_uangular → sin(x_uangular)
--
Related: ASIN,COS,TAN
|
3B87D |
xSINH
|
( x → x' )
Hyperbolic Sine Analytic Func
--
Returns the hyperbolic sine of
the argument.
--
z → sinh z
'sym' → 'SINH(sym)'
--
Related: ANUSH,COSH,TANH
|
0040AB |
~xSNRM
|
( [] → x )
Spectral Norm Cmd
--
Returns the spectral norm of an
array.
--
Related: ABS,CNRM,COND,RNRM,SRAD,TRACE
|
0190AB |
~xSORT
|
( {} → {}' )
Ascending Order Sort Cmd
--
Sorts the elements in a list in
ascending order.
--
Related: REVLIST
|
3B6E6 |
xSQ
|
( x → x' )
Square Analytic Func
--
Returns the square of the argument.
--
z → z2
x_u → x2_u2
[[ mat ]] → [[ mat × mat ]]
'sym' → 'SQ(sym)'
--
Related: √,^
|
0030AB |
~xSRAD
|
( [[]] → x )
Spectral Radius Cmd
--
Returns the spectral radius of a
square matrix.
--
Related: COND,SNRM,TRACE
|
3E710 |
xSTART
|
( start finish → )
START Definite Loop Structure Cmd
--
START xstart xfinish →
NEXT xstart xfinish →
STEP xincrement →
STEP 'symbincrement' →
--
Related: FOR,NEXT,STEP
|
3EABD |
xSTEP
|
( n → )
( symb → )
STEP Cmd
--
Defines the increment (step) value,
and ends definite loop struct
See the FOR and START command
entries for syntax information.
--
Related: FOR,BEXT,START
|
0570AB |
~xSTREAM
|
( {} prog → x )
Stream Execution Cmd
--
Moves the first two elements from
the list onto the stack, and
executes prog. The moves the next
element (if any) onto the stack,
and executes obj again using the
previous result and the new element.
Repeats this until the list
is exhausted, and returns the
final result.
--
Related: DOSUBS
|
0090AB |
~xSVD
|
( [[]] → [[U]] [[V]] [S] )
Singular Value Decomposition Cmd
--
Returns the sigular value
decomposition of an m×n matrix.
--
Related: DIAG→,MIN,SVL
|
00A0AB |
~xSVL
|
( [[]] → [] )
Singular Values Cmd
--
Returns the singular values of an
m×n matrix.
--
Related: MIN,SVD
|
3A5C4 |
xSYSEVAL
|
( # → ? )
Evaluate System Object Cmd
--
Evaluates unnamed operating system
objects specified by their
memory addresses.
--
Related: EVAL,LIBEVAL,FLASHEVAL
|