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It's necessary to approximate, but if someone tells you your approximation is wrong it makes no sense to say it's right because you prefer it that way. If your
by iudqnolq 6y ago
It's necessary to approximate, but if someone tells you your approximation is wrong it makes no sense to say it's right because you prefer it that way.
If your mental model is that floats are real numbers and someone tells you they aren't, you don't go "I philosophically prefer to think they're reals, so you're wrong". You either update your mental model or decide you'd rather be a bit wrong than learn something (you perceive as) tedious.
- Dylan16807 6y agoSure, you usually don't want your mental model to be wrong on purpose. But that's different from not having one. And sometimes a slightly wrong model has other benefits that will cause you to make less mistakes, so it's still a good tool.