code: public void setInputValue(String name, double value) {
          InputVariable inputVariable = getInputVariable(name);
          inputVariable.setValue(value);
      }
docs: Sets the value of the given input variable. The cost of this method is
  O(n), where n is the number of input variables in the engine. For
  performance, please get the variables by index.
  
  @param name is the name of the input variable
  @param value is the value for the input variable