## 220 Reputation

17 years, 131 days
Kharkov
PhD in Numerical Optimization.

## assign...

Thanks, surprisingly easy...

## update...

It is desirable to have the full list of changes/improvements in this release with demonstration of new features. For comparison, Wolfram Research describes in details each new release of its software.

## transition matrix...

What do you mean under "transition matrix"?

## turning the help page into a worksheet...

Yes, it's possible to convert any help page into a worksheet, apply styles and build a new Help System on the base of converted sheets. Interesting workaround, but time-consuming.....

## restart...

Result is the same. I'll try to reinstall later.

Maybe, my installation of Maple is corrupted?

## Length of output...

Please, go tp Tools > Options... > Precision and adjust parameter "Limit expression length to..." or uncheck it.

## second derivative...

Thank you, this works.....

## Why so?...

Thank you. I'm aware of other dsolve options. In fact, I solve a multi-point BVP (not presented in the question), reduced to two-point one. Using Array is more appropritate for a number of reasons. And, at last, the question was about a way of calculation of y'' with use of values of a function and y'.

## mistyping, sorry...

Sorry, my question was invoked by mistyping. I accidentally mixed up “numbcomp” and “numbcomb”

## It is necessary to specify functions...

Глянул кратко. Не определены функции p(t), q(t), r(t)

## First line...

Than you.
Empty first line has solved the issue.

## Missed multiplication...

I think you missed * between D[4](a) and the following parethenses (.......)

Maple understand D[4](a) as a function and (x, y, t, u(x, y, t), diff(u(x, y, t), x), diff(u(x, ............) as arguments list.

## Thanks ......

I'm aware of using maplemint through code invoking. But, as you understand, it is natural to have uniform behaviour of Startup Code Editor and Code Edit Region. I hope, embeding maplemint into Code Edit Region is a matter of the near future.

Regarding zoom, Zoom-In/Zoom-Out buttons switch zoom between predifined levels (75-100-125 ...), but Ctrl+wheel, indeed, produces  more uniform stepping.

Regards

## Thanks for presentation of Maple 2018...

Thank you, Daniel, for detailed description of new features.

In order to tell something definitively, it is necessary to work with new release a while.

I can share only first impressions upon it.

1. I'm indeed excited about possibilities of Context Panel. Due to it, some actions can be performed many times faster.
2. Unfortunately, as I understand, the maplemint feature is embedded only into Startup Code Editor. I suppose, it makes sense to embed it in Code Edit Region.
3. Regarding interface changes, it is pity to remark that zoom factor remains the same -- separate 75%, 100%, 125% ... values. These values originated back in 1990s when graph possibilities of software were very poor. For example, old versions of PageMaker had also discrete zoom factors. Today, there are no software or hardware related obstacles to make zoom factor continuous, as in main part of modern packages.
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