Nothing
`EZ2.mrt` <-
function (nu, z, a, s = 0.1, Ter)
{
.expr3 <- s * s
.expr4 <- -2 * nu/.expr3
.expr6 <- exp(.expr4 * a)
.expr7 <- .expr6 - 1
.expr8 <- a/.expr7
.expr9 <- .expr8/nu
.expr11 <- exp(.expr4 * z)
.expr13 <- 1/nu
.expr16 <- .expr13 * a
.expr20 <- 2/.expr3
.expr22 <- .expr6 * (.expr20 * a)
.expr24 <- .expr7^2
.expr27 <- nu^2
.expr35 <- 1/.expr27
.expr48 <- .expr6 * .expr4
.value <- .expr9 * .expr11 - .expr13 * z - .expr16/.expr7 +
Ter
.grad <- array(0, c(length(.value), 4), list(NULL, c("nu",
"z", "a", "Ter")))
.grad[, "nu"] <- (a * .expr22/.expr24/nu - .expr8/.expr27) *
.expr11 - .expr9 * (.expr11 * (.expr20 * z)) + .expr35 *
z + (.expr35 * a/.expr7 - .expr16 * .expr22/.expr24)
.grad[, "z"] <- .expr9 * (.expr11 * .expr4) - .expr13
.grad[, "a"] <- (1/.expr7 - a * .expr48/.expr24)/nu * .expr11 -
(.expr13/.expr7 - .expr16 * .expr48/.expr24)
.grad[, "Ter"] <- 1
attr(.value, "gradient") <- .grad
.value
}
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