Why this error appears when I type ln?

14 次查看（过去 30 天）
Serge
Serge 2015-1-16
回答： Star Strider 2015-1-16
Undefined function 'ln' for input arguments of type 'double'.

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回答（1 个）

Star Strider
Star Strider 2015-1-16
The natural logarithm function in MATLAB is log:
y = log(2)
returns:
y =
693.1472e-003

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