Am Dienstag, 28. Juli 2020 10:17:20 UTC+2 schrieb Karima Shahzad:
>
> I am sorry, what is it?
>
>
> On Tue, Jul 28, 2020 at 11:12 AM Bert Henry > wrote:
>
>> Sorry for writing uncomplete formula. Here it is better
>>
>> (sqrt(2)*a-2*r)/(2+2*sqrt(2))
>&
Am Dienstag, 28. Juli 2020 11:13:49 UTC+2 schrieb JJS137:
>
> Have you tried canonicalize_radical() ?
> Cheers,
> John
>
>
Yes, but it doesn't solve the problem
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Sorry for writing uncomplete formula. Here it is better
(sqrt(2)*a-2*r)/(2+2*sqrt(2))
Thanks
Bert
Am Montag, 27. Juli 2020 20:28:14 UTC+2 schrieb Bert Henry:
>
> How can I get from
>
> 2(2+1)2a−a
>
>
> the numerical term
>
> 0.2929a - 0.4142r
>
> Thanks in a
I declared some variables with assume
e. g.
assume(r, 'real')
assume(k, 'integer')
assume(j >0)
and so on.
During my calculation I need (in one step) j=15
How can I delete the number 15 for j? I tried it with assume(r>0), but it
didn't work.
Thanks in advance
Bert
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How can I get from
2(2+1)2a−a
the numerical term
0.2929a - 0.4142r
Thanks in advance
Bert
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Dear Sage-professionals,
how can I plot a triangle, given by three (3d-points) with ist sides, the
corner-points and e.g. a line with the heights trough point C.
I only find solution for plotting 3d-functions.
Thanks in advance
Bert
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Dear Eric,
it works, thanks a lot.
Bert
Am Dienstag, 30. Juni 2020 13:35:06 UTC+2 schrieb Eric Gourgoulhon:
>
> Here is an example enforcing the gridlines every 0.5 units:
>
> plot(sin(x^2), (x, 0, 6), gridlines=[[0, 0.5, .., 6], [-1, -0.5, .., 1]])
>
> See
> https://doc.sagemath.org/html/en/ref
Hello,
is there a chance to get grindlines not ever 1 unit but in 0.5 untis?
Thanks a lot
Bert
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Hello,
I want to make a Keynote presentation about a mathematical topic. In the
presentation I want to include some Sage code (e.g. plot(sin(x),(x,0,4)) ).
And I want to execute this code during the presentation.
Is it possible? How?
Yours
Bert
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Am Donnerstag, 18. Juni 2020 19:51:47 UTC+2 schrieb Nils Bruin:
>
>
> show('gx = {}'.format(gx(x,y)))
>
>
>
Thanks, it works, not the pretty output, but it works.
Bert
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Hallo, I have a simple question:
If I code
reset()
g(x,y)=x^2+y^3-8*x-3*y
gx(x,y)=diff(g(x,y),x); show('gx = ',gx(x,y))
the result is
gx =2x−8
How can I place a space BEHIND the =?
Thanks for your answers
Bert
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amphanumerics like SEND+MORE=MONEY.
Thanks a lot for answering
Bert
Am Freitag, 17. April 2020 19:17:12 UTC+2 schrieb Bert Henry:
>
> I have the equation
> x + y = 15
> an I'm looking for solution only in the range x=1..9 and y=1..9, x and y
> both integer
> Is there a
@Matthias,
thanks for your answer, but I don‘t underrstand it. In your link, I can‘t
fInd the solution for my problem. Would you give me a hunt, where to search?
Am Freitag, 17. April 2020 19:17:12 UTC+2 schrieb Bert Henry:
>
> I have the equation
> x + y = 15
> an I'm looking
I tried it with
var('x, y')
assume(x,"integer")
assume(x>0)
assume(y, "integer")
assume(y>0)
solve(x+y==15,x,y)
The result was
(t_0, -t_0 + 15)
obviously right, but not 6,9 7,8 8,7 and 9,6
Am Freitag, 17. April 2020 19:17:12 UTC+2 schrieb Bert Henry:
>
I have the equation
x + y = 15
an I'm looking for solution only in the range x=1..9 and y=1..9, x and y
both integer
Is there a sage-command to do that?
Thanks in advance
Bert Henry
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