Questions tagged [history]

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2answers
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Mathematica history: restoring previous version

I have read such page: https://reference.wolfram.com/language/workflow/FindTheEditHistoryOfANotebook.html So we can see when each line has been modified. But can we restore to the associated version ? ...
11
votes
1answer
457 views

Finding year that MMA functions were introduced via programmatic calls in the Wolfram Language [duplicate]

Is there a way to find the year that MMA functions were introduced via programmatic calls in the Wolfram Language? I would like to be able to create and manipulate such a list or dataset.
25
votes
6answers
5k views

Mathematica vs. MATLAB philosophy [closed]

During a typical (possibly with alcohol mixed) discussion among some academic peers in regards to numeric calculation and general modern use of computers in science and engineering settings, it become ...
15
votes
1answer
2k views

Mathematica on Windows 98

I have Windows 98 computer. I would like to know what the latest version of Mathematica which worked on Windows 98 was.
15
votes
1answer
382 views

What happened to SequenceLimit?

In older versions of Mathematica, there was a function called SequenceLimit that allowed taking the limit of a numerical sequence. It is useful for speeding up the ...
17
votes
3answers
533 views

How do I get the timing of an evaluation after it has already finished?

Sometimes I forget to add Timing[] to my evaluation and only notice it once it has already finished. Some of my calculations take hours or even days, so I don't ...
8
votes
1answer
234 views

Is there a way to obtain the time when an input was executed in a notebook?

I have a notebook with lots of In[n] in my current session. The notebook has been open for over three days. I would like to get the timestamps for when certain old ...
12
votes
3answers
552 views

What has changed in Mathematica since version 2 so that Do no longer can be used to make animations?

I am running Mathematica 11. There is a wonderful 27 year old book called Exploring Mathematics with Mathematica link to amazon, which does a lot of interesting mathematical stuff with version 2 of ...
1
vote
1answer
98 views

Why %n need to use with care?

I am new to Mathematica and don't understand why %n need to use with care. Is there any problem if use it? I cannot find explanation in the book.
1
vote
0answers
60 views

FinancialData - differents results in time

I use FinancialData to get historical stock prices (see code below). I update them each year to get new data. I found out that stock price for particular month (e.g....
27
votes
2answers
2k views

Why did the Mathematica Language choose term rewriting instead of the Lambda Calculus as its basis?

Now we can see that Church was associated with the Simply Typed Lambda Calculus. Indeed, it seems he explained the Simply Typed Lambda Calculus in order to reduce misunderstanding about the Lambda ...
6
votes
2answers
638 views

How convert old version 2.2 .ma files to .nb notebooks?

I have a lot of old Mathematica version 2.2 .ma files that simply crash the current (10.4.1) version of Mathematica if I try to open them. Is there some way to ...
10
votes
2answers
212 views

Seeking for method to speedup and get more flexable control Notebook History

When doing calculations in notebook, I modify the code a lot, and there are several versions of similar codes in the same notebook. But I found myself easily forgot which version is the newest, and I ...
0
votes
0answers
254 views

Is it possible to change default $HistoryLength [duplicate]

By default $HistoryLength is set to \[Infinity]. This is often unnecessary and can cause unecessary memory usage. I can of ...
1
vote
0answers
42 views

autocomplete or forward search input histories

I think there are many bash users here. In bash, a forward search of input histories can be done by Ctrl+r, which let you edit your previous similar input and reuse it. Is there a similar function in ...
7
votes
2answers
154 views

Undo history cleared after removing comments - bug?

If I've written some code followed by a comment, like this: x(*y*) and I remove the comment by first removing the right delimiter and then the left, my undo ...
6
votes
2answers
419 views

Save all input History in a log file

I would like to write some code in my init.m to save all inputs {In[1],In[2],...In[lastone]} right before I close the kernel (or exit Mathematica). Such a script ...
2
votes
0answers
867 views

Revert Notebook to earlier version using Notebook History

Is it possible to revert a notebook to its earlier version via the Mathematica's Notebook History panel? It would be nice if I could select a point in time in the bottom graph and revert back to that ...
3
votes
1answer
112 views

How to retroactively merge cell change history according to a merge interval

I recently noted that there is an option in the options inspector to set a merge interval for cell changes: "CellChangeTimeMergeInterval". This (I think) prevents a ...
14
votes
4answers
445 views

Obtain input expression from history without evaluating

I typed and evaluated an expression, but deleted it from the notebook. For instance, suppose it was In[1]:= Round@SessionTime[] Out[1]= 2 I now want to retrieve ...