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2
votes
2answers
90 views

KeyMap on a flat Dataset (i.e. Dataset@Association)

How can I go from Dataset[<|"A" -> 1, "B" -> 2, "C" -> 3|>] to ...
4
votes
1answer
102 views

What is “MouseDragged”?

Maybe I'm picky but I don't consider static pressed button: "dragging". EventHandler[Framed[1], {"MouseDragged" :> (Print@RandomReal[])}] neither does ...
6
votes
1answer
105 views

Compability between Graphics coordinates and shifted projections in GeoGraphics

I'd expect GeoGraphics to handle positions of points since they are provided with GeoPosition wrapper. But it is not the case ...
1
vote
1answer
38 views

LineScaledCoordinate problem for exact coordinates

Edit: Confirmed bug. CASE:2326540. Solution: Wait and use N meanwhile. I've faced this problem writing an answer for ...
10
votes
0answers
73 views

Incorrect use of Scaled causes crash

Bug introduced in 8.0 and persisting through 10.0.2 or later While playing with Scaled, I made a syntax error which caused a crash instead of an error message ...
10
votes
0answers
75 views
6
votes
3answers
121 views

FontSize problematic when used in LabelStyle

Bug introduced in 9.0.0 and persisting through 10.0.2 or later Consider the following few examples, each producing a trivial graphic object: ...
4
votes
0answers
39 views

Extraneous reaped data with NDSolve and WhenEvent

In exploring What is the range of values $x$ for which $f(x)$ is higher than $k$ over a given domain?, I came across the following strange behavior: ...
20
votes
1answer
297 views

Excessive memory use by Mathematica kernel in 10.0.2 after executing simple commands

Warning: the code below may hang your system if you have the Suggestions Bar enabled. When issuing the following simple statements to Mathematica, it responds with a valid answer. However, ...
17
votes
0answers
305 views

Input Aliases in Mathematica 10

Bug introduced in 10.0.0 and persisting through 10.0.2 or later In Mathematica 9, typing in an input alias such as intt would result in the keyboard cursor ...
6
votes
1answer
174 views

Incorrect evaluation of integral involving a DiracDelta, whose argument has infinitely many zeros

Let's say $X>0$ is a random variable with probability density $p_X(x)={\rm e}^{-x}$. Define the random variable $Y=\sin(X)$. From the transformation theorem for probabilities we know that its ...
0
votes
0answers
35 views

Strange behavior of AssociationMap

here is what I've searched over stackexchange I'm on windows 8.1 x64 with Mathema... 10.0.2. sometimes, Definition[AssociationMap ]=Null I found ...
12
votes
1answer
362 views

What is the confidence limit on this convergence?

When I run this, Product[n^MoebiusMu[n],{n,1,Infinity}] I get $\frac{1}{4 \pi^{2}}$ Over on Math Overflow they are saying it shouldn't happen. So, how do ...
6
votes
0answers
94 views

One less arrow vector than asked for

Bug introduced in v10 Consider the following code: ...
11
votes
2answers
168 views

Weird behaviour when using Scale, Rotate in Graphics

(Edited to simplify drawing) I have a drawing of two tangent circles: ...
3
votes
0answers
49 views

Kernel sometimes quit after second evaluation of ListVectorPlot

But introduced in 10.0.0 and persisting through 10.0.2 or later In Mathematica 10.01 Linux x386 execution of the expression ...
2
votes
1answer
82 views

BUG: Problems generating FEM ElementMesh in 1-D

I'm trying to build an ElementMesh for a simple 1-D problem. First, I build the boundary ElementMesh: ...
2
votes
1answer
104 views

How can I make a map of Sierra Leone at the district level?

Hi I am trying to make a map of Sierra Leone and am running into trouble. SL has 4 provinces: Northern, Southern, Eastern, and Western, which are diced up into 14 districts as shown here: ...
4
votes
0answers
58 views

Instant kernel crash when using `+=` on `SparseArray` with repeated entries

Not sure if this is known behavior or not, but the following two lines produce an instant kernel crash (I'm using Mathematica 10.0.1 Windows 64-bit): ...
8
votes
1answer
113 views

Temporary variable not removed in Mathematica 10

Bug introduced in 10.0.1 and fixed in 10.0.2 In Mathematica 10, the documentation still states that a symbol with attribute Temporary will automatically be removed when it is no longer needed. Now ...
5
votes
3answers
346 views

Bug in complicated Limit

The code Limit[Log[2 - Sin[x]*Cos[x]], x -> Infinity] outputs Interval[{0, Log[3]}] in Mathematica 10.0.2.0 . It should ...
6
votes
0answers
191 views

Menu commands on Palettes and other windows without menu bars?

In the Version 10 interface, at least by default, there is no longer a common menu bar in a separate window, and menus appear to be localized to individual Notebook windows. If I select a Palette and ...
11
votes
0answers
176 views

Compile not correctly initializing a variable defined inside Module

In the following example, inside the minimumX's Module, x is initialized to 1, but the ...
2
votes
2answers
228 views

After definite integration the result is still integration variable dependent!

This integral $\int _{-\infty }^{\infty }\int _{-\infty }^{\infty }\int _{-\infty }^{\infty }\frac{\exp \left(\frac{2}{x^2+y^2+z^2+1}-2\right)}{\left(x^2+y^2+z^2+1\right)^4}dzdydx$ or ...
4
votes
1answer
172 views

Missing tick in plot

update Still have problem in version 10.0.2 Consider this ...
8
votes
0answers
95 views

Why is this evaluation halved when adding units?

Why does this strange behavior occur when dealing with units and quantities? ...
11
votes
1answer
144 views

Tube and CapForm

Bug introduced in 10.0.0 and fixed in 10.0.2 I am using version 10 to draw tubes. With the CapForm set as Butt the first pipe is as expected but the bent pipe has one rounded end. Is this a bug? ...
3
votes
1answer
87 views

FinancialDerivative function call without parameter fails in Mathematica 10

fixed in 10.0.2 When I type FinancialDerivative[] in Mathematica 10. There is error listed as follows. Anybody know how to solve it? Thanks.
2
votes
1answer
60 views

Evaluate specific cells in Mathematica

I have a very simple problem with Mathematica that I couldn't find an easy answer to. I have long notebook with a lot of cells and want to evaluate a specific cells inline from another cell. So far I ...
1
vote
1answer
65 views

Efficient method of raising matrix to a variable power?

I have a $2 \times 2$ matrix $A$, where each element is a 12th order polynomial in a parameter $a$. I need to raise this matrix $A$ to the $-t/T$ power, where $T$ is a known scalar (for this ...
7
votes
0answers
91 views

ParametricPlot MeshStyle bug in v10?

Update This bug is fixed in v10.0.2.0 Original Post The documentation gives the following code and says "Use a red mesh in the x direction and a blue mesh in the y direction:" ...
3
votes
1answer
83 views

LogLogPlot plugs in zero

Bug introduced in 10.0.1 or 10.0.0 and resolved in 10.0.2 In testing the answers to Plot result of non analytical-integral in V10.0.1, I came across this behavior of ...
10
votes
0answers
108 views

CDF Player - MMA9 - MMA10 oddities

I'm (slowly) building a WordPress site with some didactic simulation made with Mathematica. Users can run the simulations (on-line or off-line) with the free Wolfram CDF Player. One of the last ...
2
votes
2answers
97 views

SystemException[“MemoryAllocationFailure”, …] with NMaximize

I have a complicated analytical expression that needs to be maximized with respect to a parameter t: ...
4
votes
0answers
109 views

LowpassFilter in v10: unit issues?

Bug introduced in 10.0.0 and persisting through 10.0.2 or later I tried this with a clean start and no documents loaded. Now, evaluating the following on the documentation page for ...
13
votes
5answers
713 views

Gap in a continuous plot

Why do I get a gap in the plot below and how can I fix it? (If you are interested in it, you can see a new related question: How to plot an implicit value funtion, which is also a little chanlenging) ...
11
votes
2answers
493 views

Annoying FrontEnd bugs in Mathematica 10

Recently I installed Mathematica 10 on Windows 8 x64 machine. Before that I had a prerelease version of Mathematica 10 installed on my laptop. I observed very annoying bugs in the FrontEnd on both ...
20
votes
1answer
264 views

M9 performance regression for Fold?

Bug introduced in 8.0 and persisting through 10.0.2 or later I noticed an over 10x performance drop on Mathematica v9.0.1 (as Oleksandr R. commented, also v8) compared with v7.01 for this code: ...
23
votes
3answers
1k views

Generating 250 random points crashes the kernel, but not 249

Consider the following function, which generates uniformly random points on the surface of the 2-sphere: ...
6
votes
1answer
163 views

10.0.2 breaks a recursive “trie” query

10.0.2 Dataset type system complication breaks a recursive trie constructor that worked in 0.1: ...
7
votes
2answers
115 views

Fitting higher order ARIMA models hangs, never completes

I'm working with some data that is 12 month seasonal. However, when I try to fit it to an ARIMA(12,1,3) for instance, my PC's CPU cranks up to 100% and the job never finishes. Here's some sample code. ...
7
votes
0answers
120 views

Bug in plotting function using FindMinimum?

Bug introduced in 10.0.1 (or 10.0.0) and persisting through 10.0.2 or later While working on an answer to RegionPlot from NDSolve, I came across this strange behavior of ...
2
votes
0answers
77 views

Font rendering difference between .jpg & .pdf [duplicate]

I have some planar graphics involving lines and text, produced by Line[] and Text[], accepting the default font on the latter. ...
4
votes
0answers
60 views

Bug in ExportString with Associations as ExpressionML?

If I try to export this toy code as ExpressionML or just XML: ...
7
votes
2answers
252 views

Definite integral incorrectly giving a nonreal value

In Mathematica 10.0, when I enter N[Integrate[Sqrt[1+x^3],{x,-1,3}]] , I get a nonreal value. (I.e., the imaginary part is nonzero.) Why? This arose when I ...
2
votes
0answers
38 views

Error message with RegionPlot after SetOptions

I get an error message with SetOptions[RegionPlot, ImageSize -> Medium]; RegionPlot[u v (1 - v) >= 10, {v, 0, 1}, {u, 0, 100}] that says ...
6
votes
0answers
147 views

Suspected bug in Integrate

Bug introduced in 9.0.1 or earlier and persisting through 10.0.2 or later In version 10.0: ...
7
votes
2answers
241 views

10.0.2 another Dataset type system (inference?) warning

Bug introduced in 10.0.2 The warning below seems unrelated to these issues: Did 10.0.2 break some forms for named slots? and 10.0.2 mapping Association to Dataset warning. First noticed w/ ...
6
votes
1answer
173 views

BUG: AssociationMap loses definition

I'm facing a strange behavior of AssociationMap. With a fresh Kernel session: ...
11
votes
5answers
397 views

TableAlignments -> Left not working

Bug introduced in 7.0 or earlier and persisting through 10.0.2 or later For a very simple dataset TableAlignments->Left does not work: ...