variable
var
Returns the names of all external variables.
var("nn")
Returns the evaluation of variable name nn.
var("nn1")=expr
Gives to variable named nn1 the value of expr.
Examples:
1) var("x",string 123)=-1; gives to global variable x123 value -1
2) for(i=0,3)var("x",string i)=i; generates 4 global variables
x0, x1, x2, x3 of values respectively 0, 1, 2 et 3.
for(i=0,3)$var("x", string i); prints (0) (1) (2) (3)
var func
var func("f")
Returns the list of the static variables names of the
function f().
var("x")func("f")
Returns the evaluation of variable named x of function f().
var name func
var name func
Returns the names list of all functions.
var rand
var(x)rand
Returns the variable x randomly reordered (no reproducible).
Example:
var[1,5]rand; may return 3,5,4,2,1.
var inclu
var(x)rem(v)
Returns the x variable deprived of its elements equal to v.
See also: