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Error, invalid =

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

&gt;sinx

Error, invalid >

In this case, an expression was entered after an angle bracket as an attempt to use a Maple prompt (which always displays in red) within Document mode. Document mode uses document blocks as the default input region. However, it is possible to insert a Maple prompt input region while in Document mode.

 

Solution:

To insert a Maple prompt while in Document mode, from the Insert menu click Insert → Execution Group After Cursor . You can then enter your expression and press Enter to execute.

sin x

sinx

(2.2)

To return to entering text after the Maple input region, from the Insert menu click Insert → Paragraph After Cursor .

See Also

Document Mode vs Worksheet Mode, Insert Menu