nm

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13 years, 242 days

MaplePrimes Activity


These are questions asked by nm

I have not used Explore command alot. Just starting to learn it. But I am stuck on improving the basic look of it.

There are way too much space between sliders and too much white space between the sliders and the plot itself. Also the fonts used below the sliders are too large and do not even know how to remove them or make the fonts smaller.

Looking at the help page, I do not see options to adjust these. But help pages are very hard to read to find an option.

Here is an example. I am using worksheet, with 100% default zoom.

Explore(plot((b+0.7)*sin(x/(a+1))/x+b, x=-4*Pi .. 4*Pi, view=-2 .. 6,gridlines),
        a=-2.0 .. 1.0, 
        b=0.0 .. 3.0,
        width=300,placement='top');

This is the output

I'd like to be like this

Overall, even though Explore works, I find the look of it pretty bad actually due to the above issues. It does not look professional and polished.

This is a big problem, because if there are 4 or 5 sliders, now one can not even see the plot itself when changing the sliders, because one has to scroll down to see the plot now and then scroll back up to reach the top sliders to move them.  Even on Large monitor.

Is there a trick to control the spacing between sliders and the main body which is the plot window? Removing all wasted white space and making sliders font smaller for numbers below the sliders or remove them will go long way to making Explore command output look better.

t := (5/9)*Pi;
e:=tan(t) + 4*sin(t);

is -sqrt(3)  but how to make Maple show this?

This is what I tried

t := (5/9)*Pi;
e:=tan(t) + 4*sin(t);
convert(e,radical);
simplify(e,trig);
simplify(e,constant);
allvalues(e);

 

The command "is" and "identify" knows this

is(e=-sqrt(3));
identify(evalf[32](e))

In Mathematica, FullSimplify can do it.

 

Any suggestions in Maple to simplify like the above?

Maple desperately needs a new full_simplify() command.

Having to keep trying different commands by trial and error in the hope one works is not the right way to do things.

I do not think I've ever seen this before.

I have Maple set up to use one engine per one worksheet.

 

Today, when I tried to open new worksheet (after Maple had an internal error running some code in another worksheet), I was not able to execute anything in the new worksheet. I get this message

Looking at task manager, I see the front end running at high CPU

Stange thing, there was nothing else running at the time.

Had to kill all of Maple.

Just wondering if any one saw this message before and what could cause it?

I'll try to see if I can reproduce it again by running same code which caused that initial Maple error in the first worksheet. But as I said, this is the first I see such a problem in Maple.

I was connected to the network at the time, if this makes any difference.

What is the opinion here on the following. If given   A which is linear in x, but not simplified. now type(A,x) gives false.  But type(simplify(A),x) gives true.

Does this mean it is the user responsibility to simplify the expression first before calling type on it? 

Why does not type command do this internally to see if it is linear before deciding? What is the reason for this design choice?

interface(version);

`Standard Worksheet Interface, Maple 2025.2, Windows 10, November 11 2025 Build ID 1971053`

restart;

 

A:=(x+y+1)^2-(x+y-1)^2;

(x+y+1)^2-(x+y-1)^2

simplify(A);

4*x+4*y

type(A,linear(y))

false

type(simplify(A),linear(y))

true

type(A,linear(x))

false

type(simplify(A),linear(x))

true

 

 

Download why_simplify_is_needed_feb_9_2026.mw

Could someone suggest a way to help dsolve be able to obtain this solution to this complicated first order ode? In V 2025.2 it is not able to solve it as is

interface(version);

`Standard Worksheet Interface, Maple 2025.2, Windows 10, November 11 2025 Build ID 1971053`

ode:=-x*sqrt((1 - x)/(x + 1))*(x + 1)*arcsech(x)*diff(y(x), x)*exp(y(x)/arcsech(x) + exp(y(x)/arcsech(x))) - y(x)*exp(y(x)/arcsech(x) + exp(y(x)/arcsech(x))) + 2*x*sqrt((1 - x)/(x + 1))*(x + 1)*arcsech(x)^2 = 0;

-x*((1-x)/(x+1))^(1/2)*(x+1)*arcsech(x)*(diff(y(x), x))*exp(y(x)/arcsech(x)+exp(y(x)/arcsech(x)))-y(x)*exp(y(x)/arcsech(x)+exp(y(x)/arcsech(x)))+2*x*((1-x)/(x+1))^(1/2)*(x+1)*arcsech(x)^2 = 0

sol:=dsolve(ode);

expected_sol:=y(x)=arcsech(x)*ln(ln(2*x+_C1));

y(x) = arcsech(x)*ln(ln(2*x+_C1))

odetest(expected_sol,ode) assuming x>0

0

 

 

Download ode_solution_feb_6_2026.mw

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