colspan {caracas}

Column space (range) of a symbolic matrix

Description

Column space (range) of a symbolic matrix

Usage

colspan(x)

Arguments

x

Symbolic matrix

Examples

if (has_sympy()) {
  X1 <- matrix_(paste0("x_",c(1,1,1,1, 2,2,2,2, 3,4,3,4)), nrow = 4)
  X1
  colspan(X1)
  do_la(X1, "columnspace")
  rankMatrix_(X1)
  
  X2 <- matrix_(paste0("x_",c(1,1,1,1, 0,0,2,2, 3,4,3,4)), nrow = 4)
  X2
  colspan(X2)
  do_la(X2, "columnspace")
  rankMatrix_(X2)
}