On Modifying Singular Values to Solve Possible Singular Systems of Non-Linear Equations
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We show that if a certain nondegeneracy assumption holds, it is possible to guarantee the existence of a solution to a system of nonlinear equations f(x) = 0 whose Jacobian matrix J(x) exists but maybe singular. The main idea is to modify small singular values of J(x) in such away that the modified
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美国国家经济研究局创建时间：
1976-03-01
