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1.第二类完全椭圆积分维基百科上的公式2.matlab上的解释：区别:matlab输入参数时应输入k2k^2k2,即ellipke(k2)ellipke(k^2)ellipke(k2)

chol函数：参考资料11.matlab里的解释%CHOL Cholesky factorization.% R = CHOL(A) calculates the Cholesky factor of full or sparse A using% the diagonal and upper triangle of A, such that A = R'*R. A must be% positive definite, and the lower triangle is ass