An inflection point is a point on a curve at which the sign of the curvature (i.e., the concavity) changes. Inflection points may be stationary points, but are not local maxima or local minima. For example, for the curve plotted above, the point is an inflection point. The first derivative test can sometimes distinguish inflection points from extrema for differentiable functions . The second derivative test is also useful. A necessary condition for to be an inflection point is . A sufficient condition requires and to have opposite signs in the neighborhood of (Bronshtein and Semendyayev 2004, p. 231).
Rice vermicelli are thin rice-flour noodles common in Chinese, Thai, Vietnamese, and other Southeast Asian cuisines, where they are often used in stir-fries, soups, spring rolls, and salads. Don't confuse rice vermicelli with cellophane noodles, another thin Asian noodle that's made with mung bean starch.
Vermicelli, called she'reya (Ø´Ø¹Ø±ÙÙ) in Arabic, is used in one of the most common ways of cooking rice in Egypt. The vermicelli is browned by frying with oil or butter, then rice and water are added. In Somalia, it is used in a sweet dish called cadriyad.The vermicelli is browned by frying with butter, then water, sugar and cardamom are added until it has softened slightly. The dish is similar to the Indian kheer.he fideo is a type of noodle, popular in Mexican and Latin American cuisine, often referred to by speakers of English as vermicelli.. It is commonly used in chicken soup and in sopa seca, a type of side-dish.