Access:

!°LIST SUB

 

( °is the left-shift of the Nkey).

 

 

Input/Output:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Level 3/Argument 1

Level 2/Argument 2

Level 1/Argument 3

 

Level 1/Item 1

 

 

 

 

 

 

 

 

 

 

 

 

[[ matrix ]]1

nstartposition

 

 

nendposition

 

→

[[ matrix ]]2

 

 

[[ matrix ]]

1

{n

, n

column

}

 

n

endposition

 

→

[[ matrix ]]

2

 

 

 

row

 

 

 

 

 

 

 

 

[[ matrix ]]

1

n

startposition

 

{n

row

,, n

column

}

→

[[ matrix ]]

2

 

 

 

 

 

 

 

 

 

 

 

 

[[ matrix ]]

1

{n

, n

column

}

{n

row

,, n

column

}

→

[[ matrix ]]

2

 

 

 

row

 

 

 

 

 

 

 

 

“stringtarget”

 

nstartposition

 

 

nendposition

 

→

“stringresult”

 

 

 

{ listtarget }

 

nstartposition

 

 

nendposition

 

→

{ listresult }

 

 

 

grobtarget

 

{ #n1, #m1 }

{ #n2 #m2

}

→

grobresult

 

 

 

grobtarget

 

( x1, y1 )

 

( x2, y2 )

 

→

grobresult

 

 

 

PICT

 

{ #n1, #m1 }

{ #n2 #m2

}

→

grobresult

 

 

 

PICT

 

( x1, y1 )

 

( x2, y2 )

 

→

grobresult

 

 

{ A B C

 

 

 

 

 

 

Example 1:

D E } 2 4 SUB returns { B C D }.

 

 

 

 

 

Example 2:

"ABCDE" 0 10 SUB returns "ABCDE".

 

 

 

 

 

 

 

 

 

Example 3:

PICT { # 10d #20d } { # 20d # 40d } SUB returns

 

 

 

Graphic 11 x 21.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

See also:

CHR, GOR, GXOR, NUM, POS, REPL, SIZE

 

 

 

 

 

 

 

 

 

SUBST

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Type:

Function

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Description: Substitutes a value for a variable in an expression. The value can be numeric or an expression. This is similar to the Where function, denoted by the symbol , but SUBST substitutes without evaluating the resulting expression.

Access: Algebra, …×L, PALG

Input: Level 2/Argument 1: An expression.

Level 1/Argument 2: The value or expression to be substituted.

Output: The expression with the substitution made.

Flags: Exact mode must be set (flag –105 clear). Numeric mode must not be set (flag –3 clear). Radians mode must be set (flag –17 set).

Example: Substitute x = z+1 for x in the following expression, and apply the EXPAND command to simplify the result:

x2 + 3x + 7

Command: SUBST(X^2+3*X+7,X=Z+1)

EXPAND(ANS(1))

Result: Z^2+5*Z+11

See also: (where command)

SUBTMOD

Type: Function

Description: Performs a subtraction, modulo the current modulus.

Access: Arithmetic, !ÞMODULO L

Full Command and Function Reference 3-243