log(b,x) works in MuPad but not in the command line

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Abe
Abe 2015-8-9
评论： Walter Roberson 2015-8-9
Hello folks! i am new at this.. mmm why this version of the log function,log (b,x), works only in MuPad window but not if i enter it in MATLAB command window. this error msg appears when i entered in the command line "Error using log Too many input arguments." any help

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回答（1 个）

Azzi Abdelmalek
Azzi Abdelmalek 2015-8-9
Then use
log(x)/log(b)
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Azzi Abdelmalek
Azzi Abdelmalek 2015-8-9
You can create your own function
logb=@(b,x) log(x)/log(b)
then call it
b=10
x=5
logb(b,x)
Walter Roberson
Walter Roberson 2015-8-9
MuPAD is really a separate programming language. Not all parts of it have been interfaced directly to MATLAB.

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