On Thursday, May 4, 2017 at 4:02:11 PM UTC-7, Jim Mooney wrote:
>
> Why do I sometimes see just var('y') and other times see y = var('y')? The
> result seems to be the same since I can use y in either case.
>
See the doc of SR.var and var.
y=SR.var('y')
is the "fundamental" construct, and assignment is required.
For interactive use, `var("y")` can be used. It needs some dark magic to
inject the bindings. `y=var('y")` basically binds y twice. It's a matter of
taste which you prefer.
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