If we have a complex number in Sage and want to evaluate it in WebWork. It will shows an error :
Variable 'I' is not defined in this context.
In sage complex number "i" is probably "I" but webwork cannot recognize I. I am not sure how to solve this problem．Thank you very much for your help!
loadMacros(
"PGstandard.pl",
"MathObjects.pl",
"AnswerFormatHelp.pl",
"PGcourse.pl",
"sage.pl",
);
TEXT(beginproblem());
Context("Complex");
$p1 = 1+i;
$SageCode1=<<END;
p1 = $p1;
print p1
### p1 is a complex number
END
$result = AskSage($SageCode1,{
accepted_tos=>true,
});
$K = Compute($result);
#############################
# Main text
Context()->texStrings;
BEGIN_TEXT
$BR
\( K = \) \{ ans_rule(10)\}
$PAR
END_TEXT
Context()->normalStrings;
##############################
# Answer evaluation
$showPartialCorrectAnswers = 1;
ANS($K->cmp());
ENDDOCUMENT();