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Error, invalid =

Error, invalid <

 

Description

Examples

See Also

Description

These are 2-D math parser errors caused by an incorrectly formed equation or inequality.

Examples

Example 1

a&equals;

Error, invalid =

In this example, an incomplete equation has been entered.

 

Solution:

To fix the error, enter a complete equation.

a&equals;5

a&equals;5

(2.1)

Example 2

solvex2<&comma;x

Error, invalid <

In this example, an incomplete inequality has been entered as the first argument.

 

Solution:

Enter a complete inequality.

solvex2<4&comma;x

−2&comma;2

(2.2)

The solution is the open interval from -2 to 2.  For more examples of solving inequalities, see solve/ineq.

See Also

equation, solve/ineq