## 118 Reputation

10 years, 317 days

## on second thought......

Yes, looking through my post again I realize my quesitons were pretty idiotic. As well as my observation.

However, the same code will run w/ out error in Maple 13 and less---so there is some weird problem none-the-less.

## on second thought......

Yes, looking through my post again I realize my quesitons were pretty idiotic. As well as my observation.

However, the same code will run w/ out error in Maple 13 and less---so there is some weird problem none-the-less.

## Thanks for this.  Are the built in...

Thanks for this.

Are the built in maple commands (specifically LinearAlgebra[Determinant](AA,method=integer); ) doing co-factor expansion? Or is the method first doing some row reductions?

Alternatively, since I am only really interested if the matrix is non-zero I could do a rank calculation. Would this be better?

## Thanks for this.  Are the built in...

Thanks for this.

Are the built in maple commands (specifically LinearAlgebra[Determinant](AA,method=integer); ) doing co-factor expansion? Or is the method first doing some row reductions?

Alternatively, since I am only really interested if the matrix is non-zero I could do a rank calculation. Would this be better?

## good point...

Yes. My preference would be to use "add". But I'm desinging worksheets/notes for students and the 2D-representation of sum is far easier to understand.

Is it possible to get the summand symbol to show up for "add" instead of sum.

## good point...

Yes. My preference would be to use "add". But I'm desinging worksheets/notes for students and the 2D-representation of sum is far easier to understand.

Is it possible to get the summand symbol to show up for "add" instead of sum.

## Thanks....

Great thanks. That makes sense. Although the behaviour is not that intuitive.

## Thanks....

Great thanks. That makes sense. Although the behaviour is not that intuitive.

## @pagan  Whoops. My bad! Thanks for...

Whoops. My bad! Thanks for pointing me n the right direction.

## Thanks....

Works like a charm.

But if plotting solid shapes in ps possible---why doesn't the exporter work as expected?

## Thanks....

Works like a charm.

But if plotting solid shapes in ps possible---why doesn't the exporter work as expected?

## @Preben Alsholm    Yep. That...

Yep. That's exactly the reason I posted this. I was hoping to get that 2d output fixed.

## @Preben Alsholm    Yep. That...

Yep. That's exactly the reason I posted this. I was hoping to get that 2d output fixed.

## @Preben Alsholm    Right. Bu...

Right. But how come the 2d input didn't render properly? Certainly latex has an "arrow operator" and x^2 should be rendered as we expect. No?

## @Preben Alsholm    Right. Bu...

Right. But how come the 2d input didn't render properly? Certainly latex has an "arrow operator" and x^2 should be rendered as we expect. No?

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