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70
votes
5answers
46k views

Get a “step-by-step” evaluation in Mathematica

Is it possible in Mathematica to get a step-by-step evaluation of some functions; that's to say, outputting not only the result but all the stages that have led to it? If so, how does one do it? ...
14
votes
3answers
2k 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 ...
13
votes
1answer
382 views

How to create interrelated sliders?

Say I want a slider that controls the value of $x$ and another slider that controls the value of $2x$, how would I go about it?
8
votes
2answers
327 views

Restrict Sensitivity of Locators in LocatorPane

We can restrict the movement of locators in a LocatorPane as follows: In the following example, the first locator's movement is confined to the x-axis and the ...
9
votes
2answers
346 views

How can I get Manipulator control elements to appear on one line?

By default Manipulator produced by Manipulate with Appearance -> "Open" option have two ...
7
votes
1answer
479 views

Want Interactive PlotRange of Graphics[{}]

I am trying to do: ...
4
votes
1answer
202 views

How to change the aspect ratio with drawing tool?

I'm drawing an image in editing an slide show with the drawing tools. But the aspect ratio of the created drawing seems fixed and not changeable with mouse dragging the border and corner as in other ...
4
votes
1answer
167 views

VertexRenderingFunction (or EdgeRenderingFunction) with movable nodes?

In GraphPlot, I'd like to use VertexRenderingFunction (VRF) and have the resulting object behave the same way under dragging verticies as it does when I do not use VRF. The same issue occurs for ...
17
votes
3answers
318 views

Is there a way to require confirmation for execution of certain cells?

Often I have Notebooks where I generate several images and export them into files. Now when I want to change one image, I'd like to just re-evaluate the complete notebook, however I generally do not ...
6
votes
2answers
206 views

Can individual locators in LocatorPane be temporarily disabled?

This follows up on another question about the sensitivity of Locators in a a LocatorPane. I would like to be able to enable/disable individual locators in a LocatorPane. In the simplified version of ...
3
votes
2answers
118 views

How do we make a negative integer out of a string of a negative number and vice-versa?

Negative numbers are not taken into consideration by mathematica's built-in functions. FromDigits["-2"] Gives me this message: ...
2
votes
1answer
100 views

Interaction of InputField with Row (but not Column, Grid or Panel)

In Mathematica 9, there's an interaction between InputField and Row. The following fragment (without or without ...