Comment on Shut up science!!
alsimoneau@lemmy.ca 4 weeks agoNo one stops you from putting radians and steradians in your units. But it’s unitless by definition.
Comment on Shut up science!!
alsimoneau@lemmy.ca 4 weeks agoNo one stops you from putting radians and steradians in your units. But it’s unitless by definition.
anothercatgirl@lemmy.blahaj.zone 4 weeks ago
I strongly disagree with the definition itself. And yes, there are stops that prevent me from doing that in scientific computing resources like sympy, matlab, and my professors.
alsimoneau@lemmy.ca 4 weeks ago
You disagree that a ratio is unitless? What’s the cos of a unit?
anothercatgirl@lemmy.blahaj.zone 4 weeks ago
yep, I don’t think the question “what’s the cos of a unit” is valid because cos expects a plane angle in the input and a unit doesn’t meet that expectation; it’s underdefined; it depends whether the calculator is set to radians or degrees.
alsimoneau@lemmy.ca 4 weeks ago
It’s not undefined. You cannot take the exponential of anything with dimensions. That also applied to logs and trigonometric functions. Ergo, angles must be unitless.