assignment

Purpose

Assigns a value to a variable.

Format

variable = expression

Parameters

param variable:

Name of the variable to assign to.

type variable:

symbol

param expression:

Value to assign.

type expression:

any type

Examples

Basic Assignment

x = 5;
y = { 1, 2, 3 };
name = "GAUSS";

Multiple Assignment

// Assign multiple variables from procedure return
{ mean, std } = meanstd(x);

Indexed Assignment

x = zeros(5, 1);
x[1:3] = { 10, 20, 30 };

x =   10.0000000
      20.0000000
      30.0000000
       0.0000000
       0.0000000

Remarks

• Assignment creates a new variable if it doesn’t exist, or overwrites the existing value.

• Inside procedures, use local to declare local variables.

• Multiple return values from procedures can be assigned using brace notation.

See also

Keywords local, let