I need help factoring a symbolic expression

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Drew Mitchell 2016-3-9

评论： Walter Roberson 2020-12-19

I have a symbolic expression in 3 variables f(r,z,t). I am trying to factor it such that I have an expression of the form:

f(r,z,t)=g(t)*h(r,z)

I am using R2014a fyi. I think this can be done with factor(f,t) if I had R2016 but is there a nice way to do this with R2014.

Thanks

Drew

Walter Roberson 2016-3-10

factor() has always been part of the Symbolic Toolbox.

I'm trying to figure this out as well. I see

C:\Program Files\MATLAB\R2020a\toolbox\matlab\specfun\factor.m

C:\Program Files\MATLAB\R2020a\toolbox\shared\hdlshared\@hdl\factor.p % hdl method

C:\Program Files\MATLAB\R2020a\toolbox\symbolic\symbolic\@sym\factor.m % sym method

when typing

which -all factor

It keeps defaulting to the first function when I'm trying to call the third. How do I get around this?

Walter Roberson 2020-12-19

syms x
which factor(x*x)

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