Angular Material: mat-select not selecting default

Question

I have a mat-select where the options are all objects defined in an array. I am trying to set the value to default to one of the options, however it is being left selected

Answer 1

Binding or setting of default value works only if the value attribute on MatSelect is comparable to value attribute binded to MatOption. If you bind caption of your item to value attribute of mat-option element you must set the default element on mat-select to caption of your item too. If you bind Id of your item to mat-option, you must bind id to mat-select too, not a whole item, caption or any other, only the same field.

But you need to do it with binding []