Cody

# Problem 224. pressure to dB?

Solution 3274998

Submitted on 19 Oct 2020
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### Test Suite

Test Status Code Input and Output
1   Fail
x = 1; y_correct = 0; assert(isequal(your_fcn_name(x),y_correct))

Undefined function 'ln' for input arguments of type 'double'. Error in your_fcn_name (line 2) y = 0.5*ln(x/1e5); Error in Test1 (line 3) assert(isequal(your_fcn_name(x),y_correct))

2   Fail
x = 10; y_correct = 20; assert(isequal(your_fcn_name(x),y_correct))

Undefined function 'ln' for input arguments of type 'double'. Error in your_fcn_name (line 2) y = 0.5*ln(x/1e5); Error in Test2 (line 3) assert(isequal(your_fcn_name(x),y_correct))

3   Fail
x = 1/100; y_correct = -40; assert(isequal(your_fcn_name(x),y_correct))

Undefined function 'ln' for input arguments of type 'double'. Error in your_fcn_name (line 2) y = 0.5*ln(x/1e5); Error in Test3 (line 3) assert(isequal(your_fcn_name(x),y_correct))

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