upper_tri function

Upper Triangle of a Matrix

The vectorized strictly upper triangular entries of a matrix. methods

upper_tri(expr)

Arguments

• expr: An Expression or matrix.

Returns

An Expression representing the upper triangle of the input.

Examples

C <- Variable(3,3)
val <- cbind(3:5, 6:8, 9:11)
prob <- Problem(Maximize(upper_tri(C)[3,1]), list(C == val))
result <- solve(prob)
result$value
result$getValue(upper_tri(C))