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34/20 answers
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Apr
6
comment How to stop Mathematica from turning .02 into 0.019999999999999997`
are you saying the correct valuate should be 0.02 exactly and M is not doing so? Could you post the source code to reproduce? hard to see the image, too small and need magnifying glasses to see.
Apr
6
answered Plot a function of multiple variables, with all but one are fixed
Apr
5
comment Is association in mathematica ordered or not?
I have not used association much, but for me, it makes little sense to talk about "order" of keys. The point is that one gives a key, and gets the value associated with that key by a lookup. Like a hash table. If you depend on an "order" of keys in the lookup table to do something, then I think you are doing something wrong.
Apr
5
comment How to draw block diagrams as Graph objects?
These can also be made with latex/tikz
Apr
5
revised StateSpaceRealization “ControllableCompanion” does not generate ControllableCompanion form from DE
fixed in current release, closing
Apr
5
accepted StateSpaceRealization “ControllableCompanion” does not generate ControllableCompanion form from DE
Apr
5
answered StateSpaceRealization “ControllableCompanion” does not generate ControllableCompanion form from DE
Apr
4
answered Verify Cayley-Hamilton Theorem
Apr
4
revised how to make SaveAs saves to NotebookDirectory[] instead of NotebookBrowseDirectory[]?
typo
Apr
4
revised Draw and Quantity
thanks to comment, updated
Apr
4
comment Draw and Quantity
@AlbertRetey good point. Since the units are all the same in this example, this will not make a difference, but will update for illustration and to remind one of this. thanks.
Apr
4
comment Draw and Quantity
@Luca M is not OO Language, but uses functions. So to find what "methods" can be used on "object" Point you look at help and see all the settings and commands that can be applied to it. Also if you do ??Point you'll see the options Options[Point]={VertexColors->None,VertexNormals->None} There are also modifiers you can apply to point, such as PointSize and change its color etc...
Apr
4
answered Draw and Quantity
Apr
4
accepted how to make SaveAs saves to NotebookDirectory[] instead of NotebookBrowseDirectory[]?
Apr
4
answered how to make SaveAs saves to NotebookDirectory[] instead of NotebookBrowseDirectory[]?
Apr
3
reviewed Approve Strange evaluation of an sum involving binomial coefficients
Apr
3
comment How can I create a phase plane?
You should not be using UpperCase letters really, but if you must, use a numbered ones, like N0, C0, etc... in addition, N and C are mathematica own symbols so using them for variables will get you in trouble very quickly.
Apr
3
comment How can I create a phase plane?
there are number of posts on this topic. For example mathematica.stackexchange.com/questions/14160/… and others.
Apr
3
comment Rewriting symbol context?
fyi, added an example how to extract the symbols from the replacement list automatically so no need to write them down.
Apr
3
revised Rewriting symbol context?
added another example