Linked Questions

132
votes
3answers
18k views

How to manipulate 2D plots?

When it comes to visual analysis, large datasets or data with intricate internal details often makes plotting in 2D useless, as the outcome is either just a fraction of the full dataset, or no details ...
50
votes
9answers
2k views

Items known by CurrentValue

CurrentValue can be used to poll the state of numerous system values such as the mouse position. Its help page doesn't list all possible items, though. An item like ...
19
votes
3answers
4k views

Extracting the coordinate of a particular point of interest from a ListPlot

Is there a way to obtain the coordinate of a point of interest in a ListPlot? As an example, I have a list containing many sets of 2D coordinates and the plot ...
15
votes
4answers
3k views

Adding custom GridLines to the “automatic” ones

I need to add custom (vertical) grid lines to a plot (to a DateListPlot, to be precise). I know there is the option of ...
12
votes
2answers
1k views

Efficiently searching a list for the position of the closest number to a specified number

Searching by closest and position I wasn't able to find an answer—but found Nearest by guessing. Nearest, however, returns ...
5
votes
2answers
1k views

Display function value on hover?

I have used Manipulate in conjunction with Plot to draw a function's graph and I would like to show the current x-axis value and function value while hovering over the function's plot. How can I ...
5
votes
4answers
742 views

Display position information out of ListPlots inside a Manipulate

I often have the situation where I'll use Manipulate[] to compare and examine 2 or more lists. A simplified example follows: ...
2
votes
1answer
395 views

Dynamically updating interactive objects in Mathematica

Is it possible to create interactive code in Mathematica (via EventHandler[] or Manipulate[] perhaps) that continually updates some calculation based on external data in the time when no user input is ...
2
votes
1answer
403 views

Why is this expression being held, and how can I evaluate it?

I can't figure out why an expression isn't evaluating, even though there's no Hold* in its FullForm: ...
1
vote
0answers
108 views

Clicking on a point on a plot [duplicate]

I want to click on a plot and have the pointer snap to the actual curve displayed. I found ways to click any random point on the plot but I want it to only click on actual points on the curve. I want ...