The Axiom draw function does implicit plots. -- Tim
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2008/1/16 David Joyner <[EMAIL PROTECTED]>:
> Thanks for these great comments.
>
> Here is roughly how to do what you did but in SAGE, in
> an example
>
> sage: x = var("x")
> sage: y = function("y",x)
> sage: F = x^2 + y^2 - 4*x - 1
> sage: F.diff(x)
> 2*y(x)*diff(y(x), x, 1) + 2*x - 4
> sage: so
Thanks for these great comments.
Here is roughly how to do what you did but in SAGE, in
an example
sage: x = var("x")
sage: y = function("y",x)
sage: F = x^2 + y^2 - 4*x - 1
sage: F.diff(x)
2*y(x)*diff(y(x), x, 1) + 2*x - 4
sage: solve(F.diff(x) == 0, diff(y(x), x, 1))
[diff(y(x), x, 1) == (2 - x
On Jan 16, 2008 3:11 PM, Jason Grout <[EMAIL PROTECTED]> wrote:
>
>
> David Joyner wrote:
> > Hi:
> >
> > I don't remember this topic coming up before but at some point
> > it must be faced since it arises in Calculus 1. AFAIK, SAGE has no routines
> > for
> > (1) computing the "implicit derivati
David Joyner wrote:
> Hi:
>
> I don't remember this topic coming up before but at some point
> it must be faced since it arises in Calculus 1. AFAIK, SAGE has no routines
> for
> (1) computing the "implicit derivative" y' if y is defined implicitly
> by F(x,y)=0,
> (2) plotting (x,y) subject to
On Jan 16, 2008 8:14 PM, Ondrej Certik <[EMAIL PROTECTED]> wrote:
> On Jan 16, 2008 7:00 PM, David Joyner <[EMAIL PROTECTED]> wrote:
> >
> > Hi:
> >
> > I don't remember this topic coming up before but at some point
> > it must be faced since it arises in Calculus 1. AFAIK, SAGE has no routines
>
On Jan 16, 2008 7:00 PM, David Joyner <[EMAIL PROTECTED]> wrote:
>
> Hi:
>
> I don't remember this topic coming up before but at some point
> it must be faced since it arises in Calculus 1. AFAIK, SAGE has no routines
> for
> (1) computing the "implicit derivative" y' if y is defined implicitly
>
