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Returns log to base 10 of argument. If the argument is real and 0 or negative an error will result. If the argument is complex it will return a complex result even if the imaginary part is 0 and the real part negative. An error will always occur if both real and imaginary parts are zero.
This is identical to log10. We recommend always using log10. log() variably means ln or log10 depending on the program, language etc. and it is rarely clear exactly which is meant.
| Number | Type | Compulsory | Default | Description |
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1 |
real/complex array |
Yes |
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vector |
Return type: real/complex array
Returns log to base 10 of argument.
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