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Jul
12
comment Dynamic with RegionNearest keeps one CPU core at 100% - Is this a bug?
I do not know why the cpu goes full speed, strange things happen when Dynamic are not used correctly. Your use of Dynamic is not right really. I am not sure what you are trying to do with Dynamic[nf[pt]]. One should use Dynamic around objects that gets displayed by front end, so that the FE updates them automatically without the kernel having to do anything, and not around the computation itself that goes to the kernel. May be you wanted to do Dynamic[r] then r=nf[pt] ?
Jul
12
accepted How to make Mathematica save all open files, or automatically ask to save each file when closing
Jul
12
revised How to make Mathematica save all open files, or automatically ask to save each file when closing
clean
Jul
12
asked How to make Mathematica save all open files, or automatically ask to save each file when closing
Jul
11
comment Solve differential equation with 3 variables and plotting contour
What I meant was y=2 for all x and z how could this be? y[x,z] is the solution we are after? If you know that y[x,z]=2 for all x,y, then what are we solving for? You already have the solution? I must be missing something here.
Jul
11
answered Solve differential equation with 3 variables and plotting contour
Jul
11
revised How to stop V10 asking to continue with updated styling each time I open a new notebook
added version of OS
Jul
11
asked How to stop V10 asking to continue with updated styling each time I open a new notebook
Jul
10
comment Why is Return not forcing an exit from my function?
it is documented, but as WReach showed, it is hidden here reference.wolfram.com/language/ref/message/Break/nofunc.html The second argument is used here to specify that the return should be from the enclosing Module: In addition, I am not sure that using Throw/Catch to control programming logic is a good way to do things. These are meant to be used for exceptional cases, not normal flow. But this is for another subject :)
Jul
10
comment Inverting matrix of unknown size
In the example you updated, again where did Y(i) come from? is it just a symbol? or is there an array somewhere Y={....} where the "i" is the index there? Also you say "i" is the row number, but you show Y_1 sitting in the 7th row, not the first row? I am still confused. sorry
Jul
10
comment Inverting matrix of unknown size
I do not understand what you have there, so can't help. I do not know what Y_i supposed to mean. And do not know what R_j suppose to mean. Where did these come from? What is "i" there? what is "j" ? your question is fully described well to answer it (for me at least)
Jul
10
comment Inverting matrix of unknown size
Ok, please then try it again using KroneckerDelta[] function. Again, using symbol from the pallet does not mean anything. It is just a symbol.
Jul
10
comment Inverting matrix of unknown size
Mathematica does not know what these symbols mean mathematically. there are just symbols. If you want actual dirac delta, you should use DiracDelta[] btw, you might want to add space here "[Rho][Delta]" to make it "[Rho] [Delta]" just in case.
Jul
10
revised Obtain data points from a density plot
added 130 characters in body
Jul
10
answered Obtain data points from a density plot
Jul
10
comment Can I get rid of the “learning bar”?
@Szabolcs I did not try the other method that changes files manually, as I was not sure I am allowed to. I'd rather see if I can change it in option inspector if possible first. It will not accept the change in OptionInspector, it stays stuck at "Normal", will not change to "Generic"
Jul
10
comment Can I get rid of the “learning bar”?
@Szabolcs fyi, I tried the option inspector method shown in that post you refer to, and it does not work. Can't edit the WindowFrame. Is there a way to do this in version 10, using optionInspector is the question
Jul
10
comment Can I get rid of the “learning bar”?
I am glad you asked this. I was trying for sometime to find a way to remove it to get more space also. The banner on my version is even larger than what you show. About 50% larger I would say
Jul
10
comment Can the banner in the Home Edition be removed?
fyi, the above method does not work in V10. Not able to change it in option inspector. Will not let me change it.
Jul
10
comment Combining Plot and ListPlot in a manipulation
try f[x_, a_, b_, c_] := x^2 + a + b + c; Manipulate[ Show[Plot[f[x, a, b, c], {x, 0, 1}], ListPlot[{{0, 0}, {1, 1}, {2, 2}}], PlotRange -> All], {a, -1, 1}, {b, -1, 1}, {c, -1, 1}] It is better to put all functions inside Initialization though, like this Manipulate[ Show[Plot[f[x, a, b, c], {x, 0, 1}], ListPlot[{{0, 0}, {1, 1}, {2, 2}}], PlotRange -> All], {a, -1, 1}, {b, -1, 1}, {c, -1, 1}, Initialization :> ( f[x_, a_, b_, c_] := x^2 + a + b + c ) ]