"without indicating to" is correct and can be used in written English.
Example: Without indicating to anyone, Sarah quietly slipped out of the room.
In New York, doctors at one hospital had a casual way of indicating to staff, without informing families, which patients should not be resuscitated : purple stickers were affixed to their charts.
In this way fetal movements appeared to function as a form of communication between mother and baby, effectively prompting the mother to eat when she had gone for longer than usual without a meal and then indicating to the mother when the fetus was sated.
"You can get full access to both cameras without indicating that to the user," Krause told me.
Thus, ϕ is a parameter that scales the rate i − 1 − 2 α of decay of the prior variance with respect to i. Knapick et al. (2012) suggested fixing α and letting ϕ be the regularization parameter to be inferred, but without indicating how to do it.
And even without being indicated to adjuvant chemotherapy, patients in early tumor stages usually state increased psychosocial and medical supportive needs, especially after surgery [ 22].
The results of the t-test for grain length between the plants with or without recombination are indicated to the right of the grain length of F5 grains.
As Dublin drove off, she was seen changing lanes "suddenly and without indicating" at speed.
Without promising revolution, Flower indicated to his audience that he has big plans for England's future.
By including the word "societal" we hoped to indicate to researchers – without being leading, that we were open to hearing about broader ethical and societal issues and concerns, as well as issues in the responsible conduct of research.
