Vectorization of a Matrix
Flattens a matrix into a vector in column-major order.
vec(X)
X |
An Expression or matrix. |
An Expression representing the vectorized matrix.
A <- Variable(2,2) c <- 1:4 expr <- vec(A) obj <- Minimize(t(expr) %*% c) constraints <- list(A == cbind(c(-1,-2), c(3,4))) prob <- Problem(obj, constraints) result <- solve(prob) result$value result$getValue(expr)
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