When I run the following code in MATLAB 6.5 (R13) :
x = sym('x')log10(x)
I get the following error message:
??? Error using ==> log2 Function 'log2' is not defined for values of class 'sym'. Error in ==> C:\MATLAB6p5\toolbox\matlab\elfun\log10.m On line 17 ==> y = log2(x);
This code works correctly in MATLAB 6.1 (R12) and returns the following result:
ans = 1125899906842624/2592480341699211*log(x)
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