DSolve::ivhead NDSolve::ivhead NDSolveValue::ivhead ParametricNDSolve::ivhead ParametricNDSolveValue::ivhead RSolve::ivhead

Details

  • This message is generated when the independent variable occurs within the head of an expression in an equation.
  • Off[message] switches off the message; On[message] switches it on. For example: Off[DSolve::ivhead].

Examples

Basic Examples  (1)

Here x occurs in the head of x[0] in the second equation:

This shows valid input to DSolve: