The result is the two points coming together (continuous function), coming together and then briefly blipping out of existence (removable discontinuity), or obviously not coming together (jump/infinite discontinuity). The other way, I do by creating a slider for a movable point on one side (knowing which number I would like to approach), and then fix another point to rely on that original slider. One is just by creating the table of values (and instead of y_1, you explicitly define the function). As far as I'm aware, there is no actual way to do \lim_(x->c)f(x). There are two ways I introduce my students to limits with desmos. I would like to speak to them about this and see if they are working on implementing this (if it is possible), or if they are too busy to do so. Oh! And if anyone knows a way to contact the desmos team, that would help a lot. Is there some kind of way to define a limit?īy the way, I apologize if this post is too wordy or seems full of non-sequiturs. So what gives? Why is there no limit notation? I understand there not being integral notation, since that is many orders of magnitude more complex in terms of programming than derivatives, but a limit should be simple. Summations, by the way, are available in Desmos. I can't finish the parameters of the graph, however, because doing so would require finding the limit of a summation. Is there a way to do it? I have a neat little graph set up to find the arc length of a given function between two points. If there was, SO much more could be done, mainly anti-derivative stuff. Despite this, I can't define that anywhere else. Desmos does actually seem to sort of indicate this it uses an open point instead of a closed point at x=0 for this function. Now to address my question: how can I find a limit in Desmos? If I have the function f(x)=sin(x)/x, the limit is clearly 1. It can also calculate derivatives, which is really awesome if you are a math teacher trying to explain why a derivative relates to the slope of a function at a point. It accepts most functions in the form of f(x)=x. Sorry if this question is not adaquete for this subreddit r/Desmos is dead, so r/math is the first alternative.ĭesmos is a free graphing program.
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