On Thu, Jul 12, 2012 at 7:53 PM, David Wilson <davidwwilson@comcast.net> wrote:
image means what?
The values that are actually outputs of the function. http://en.wikipedia.org/wiki/Image_(mathematics)
On 7/9/2012 9:52 PM, Mike Stay wrote:
On Mon, Jul 9, 2012 at 6:51 PM, Mike Stay <metaweta@gmail.com> wrote:
On Mon, Jul 9, 2012 at 6:50 PM, Mike Stay <metaweta@gmail.com> wrote:
Is there a multivariate polynomial whose image over R^n is strictly positive?
Sorry, "strictly the positive reals".
Or better: "exactly the strictly positive reals."
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