Structure field must contain logical scalar. Unknown field in the structure array input. Valid field names are: "LT", "UT", "UHESS", "SYM", "POSDEF", "RECT", and "TRANSA". Solver options must be compatible. First and second arguments must be single or double. First and second arguments must be 2-D. Linsolve is not supported for sparse inputs. Third argument must be a structure array.