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crunode
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The answer CRUNODE has 0 possible clue(s) in existing crosswords.
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Definitions of crunode in various dictionaries:
adj - a point at which a curve crosses itself [n -S] : CRUNODAL
CRUNODE - In mathematics, a crunode (archaic) or node is a point where a curve intersects itself so that both branches of the curve have distinct tangent lines...
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Possible Dictionary Clues |
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A point where one branch of a curve crosses another branch. |
Crunode description |
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In mathematics, a crunode (archaic) or node is a point where a curve intersects itself so that both branches of the curve have distinct tangent lines at the point of intersection. A crunode is also known as an ordinary double point.For a plane curve, defined as the locus of points f(x, y) = 0, where f(x, y) is a smooth function of variables x and y ranging over the real numbers, a crunode of the curve is a singularity of the function f, where both partial derivatives * * * * * * f * * * * x * * * * {\displaystyle \partial f \over \partial x} * and * * * * * * f * * * * y * * * * {\displaystyle \partial f \over \partial y} * vanish. Further the Hessian matrix of second derivatives will have both positive and negative eigenvalues. |