eval

Evaluate Nelson code in string.

📝Syntax

eval(str)
eval(str, catch_str)
[r1, ... rn] = eval(str)
[r1, ... rn] = eval(str, catch_str)

📥Input Arguments

Parameter	Description
str	a string: Nelson instruction to execute
catch_str	a string: Nelson instruction to execute if an error is detected.

📤Output Arguments

Parameter	Description
[r1, ... rn]	results: output variables

📄Description

eval executes Nelson instructions given in a string.

Please use try catch end block instead than eval, if you need to capture an error message for higher performance.

💡Examples

eval('B=4')

This example will fail and returns an error message.

C = eval('B=4')

D = eval(4)

This example will not fail and return false.

eval('error(''blabla'')', 'l = lasterror(); disp([''lasterror message: '', l.message])')

🔗See Also

🕔Version History

Version	Description
1.0.0	initial version