Cody

Problem 505. Back to basics 24 - Symbolic variables

Solution 2799730

Submitted on 6 Aug 2020
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Test Suite

Test Status Code Input and Output
1   Fail
x = 'cos(pi*x - beta1)'; y_correct = {'beta1';'x'}; assert(isequal(symbolic(x),y_correct))

Error in solution: Line: 2 Column: 12 Invalid expression. Check for missing multiplication operator, missing or unbalanced delimiters, or other syntax error. To construct matrices, use brackets instead of parentheses.

2   Fail
x = 'cos(y)+sqrt(x)'; y_correct = {'x';'y'}; assert(isequal(symbolic(x),y_correct))

Error in solution: Line: 2 Column: 12 Invalid expression. Check for missing multiplication operator, missing or unbalanced delimiters, or other syntax error. To construct matrices, use brackets instead of parentheses.

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