description: isConvex = NCisConvex(f) checks if the polynomial f is convex without SDP. arguments: f is an NCpoly representing a polynomial output: isConvex equals 1 if the polynomial f is convex and 0 otherwise possible usage: NCisConvex(f) example: >> isConvex=NCisConvex(x^2+x*y+y*x+2*y^2+z^2-1) isConvex = 1 |
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