How to sum up the values entered in the mat-table column using mat-input in angular2

Question

I am trying to sum up the values entered in the mat-table column using an input.

I have created a table with 3 columns: Account Id, A

Answer 1

try this

In component

 ngOnInit(){
  this.accdetailservice.accountdetails()
  .subscribe(data =>
  this.dataSource1.data= data.map(obj => ({...obj, value: 0}))
  );
 }


calculation(){ 
return dataSource1.data.reduce((summ, v) => summ += parseInt(v.value), 0) 
}

in Html

 Total: {{calculation()}}

also change to

Edit:

as per the chat discussion you need to use value parameter as a dynamic parameter to calculate

So try this below way

    Value