Chia

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These are questions asked by Chia

Hi all,

Command collect can view a expression a as a general polynomial in specific indeterminate x with the calling sequence:

collect(a, x, form, func)

where form and func are optional arguments.

 

Then, I encountered a form like this:

collect(a, x, normal)

 

I'm not sure what does normal means in this case and cannot find the related information from Maple Help.

Does anyone know this? I'd appreciate any help on this topic.

Thanks a lot :)

(Sorry to not offer the worksheet file due to a private issue)

Hi everyone,

Command "discont" can return the discontinuous point of the function. 

In Maple Help, it says that multiple discontinuities may be expressed with _Zn, _NNn and _Bn but just show the _Zn case and the _NNn case.

 

Can anyone offer the _Bn case?

Thanks!

Hi everyone,

I have a question about surface fitting. I tried to follow the step of application "Fitting an Ellipse to Data" to fit the ellipsoid surface but got the incorrect result:

 

 

It seems that the convergence condition can be modified but I have no idea. 

The related Maple file is attached:

Ellipsoid_Surface_Fitting.mw

I'd appreciate any help on this topic. Thank a lot.

Hi All,

I have a stupid question.

I wanted to distinguish the fuction of map and Map and tried some test.

Sometimes, the Map is identical to the map:

But sometimes not:

 


Maple Help seems not to explain the difference very clearly.

map_and_Map.mw

I'd appreciate any help on this topic. Thank a lot.

Hi All,

I used the command map to apply a procedure to elements of a array like this:

 

Why did I get the null array "[]"?

A vector was also used and got the similar result: 

 

I'd appreciate any help on this topic. Thank a lot.

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