Sum of Entries
The sum of entries in a vector or matrix.
sum_entries(expr, axis = NA_real_, keepdims = FALSE) ## S3 method for class 'Expression' sum(..., na.rm = FALSE)
expr |
An Expression, vector, or matrix. |
axis |
(Optional) The dimension across which to apply the function: |
keepdims |
(Optional) Should dimensions be maintained when applying the atom along an axis? If |
... |
Numeric scalar, vector, matrix, or Expression objects. |
na.rm |
(Unimplemented) A logical value indicating whether missing values should be removed. |
An Expression representing the sum of the entries of the input.
x <- Variable(2) prob <- Problem(Minimize(sum_entries(x)), list(t(x) >= matrix(c(1,2), nrow = 1, ncol = 2))) result <- solve(prob) result$value result$getValue(x) C <- Variable(3,2) prob <- Problem(Maximize(sum_entries(C)), list(C[2:3,] <= 2, C[1,] == 1)) result <- solve(prob) result$value result$getValue(C) x <- Variable(2) prob <- Problem(Minimize(sum_entries(x)), list(t(x) >= matrix(c(1,2), nrow = 1, ncol = 2))) result <- solve(prob) result$value result$getValue(x) C <- Variable(3,2) prob <- Problem(Maximize(sum_entries(C)), list(C[2:3,] <= 2, C[1,] == 1)) result <- solve(prob) result$value result$getValue(C)
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