Implement a search filter for the <mat-select> component of angular material

Trying to implement a simple application in angular 2 using angular material.
I implemented a simple table with pagination .

I also used mat-select component, but for this i want implement a search filter to type and search the required option from the list.

Below shown is my .html file


<table>
<tr><td> Department</td>
<td>
<mat-form-field>
<mat-select placeholder=" ">
<mat-option> </mat-option>
<mat-option *ngFor="let dep of dept" [value]="dep">{{dep}}</mat-option>
</mat-select>
</mat-form-field><br/>
</td>
</tr>


</table>

<br><br>

<button >Search</button>

<button >Reset</button>

<button >Close</button>


<mat-card>
<div class="example-container mat-elevation-z8">
<mat-table #table [dataSource]="dataSource">

<!-- Account No. Column -->
<ng-container matColumnDef="accno">
<mat-header-cell *matHeaderCellDef> Account No. </mat-header-cell>
<mat-cell *matCellDef="let element"> {{element.accno}} </mat-cell>
</ng-container>

<!-- Account Description Column -->
<ng-container matColumnDef="accdesc">
<mat-header-cell *matHeaderCellDef> Account Description </mat-header-cell>
<mat-cell *matCellDef="let element"> {{element.accdesc}} </mat-cell>
</ng-container>

<!-- Investigator Column -->
<ng-container matColumnDef="investigator">
<mat-header-cell *matHeaderCellDef> Investigator </mat-header-cell>
<mat-cell *matCellDef="let element"> {{element.investigator}} </mat-cell>
</ng-container>

<!-- Account CPC Column -->
<ng-container matColumnDef="accCPC">
<mat-header-cell *matHeaderCellDef> Account CPC </mat-header-cell>
<mat-cell *matCellDef="let element"> {{element.accCPC}} </mat-cell>
</ng-container>

<!-- Location Column -->
<ng-container matColumnDef="location">
<mat-header-cell *matHeaderCellDef> Location </mat-header-cell>
<mat-cell *matCellDef="let element"> {{element.location}} </mat-cell>
</ng-container>


<!-- Client Dept ID Column -->
<ng-container matColumnDef="cdeptid">
<mat-header-cell *matHeaderCellDef> ClientDeptID </mat-header-cell>
<mat-cell *matCellDef="let element"> {{element.cdeptid}} </mat-cell>
</ng-container>


<!-- Dept Description Column -->
<ng-container matColumnDef="depdesc">
<mat-header-cell *matHeaderCellDef> Dept Description </mat-header-cell>
<mat-cell *matCellDef="let element"> {{element.depdesc}} </mat-cell>
</ng-container>


<mat-header-row *matHeaderRowDef="displayedColumns"></mat-header-row>
<mat-row *matRowDef="let row; columns: displayedColumns;"></mat-row>
</mat-table>

<mat-paginator #paginator
[pageSize]="10"
[pageSizeOptions]="[5, 10, 20]">
</mat-paginator>
</div>
</mat-card>

Below shown is my .ts file


import {Component, ViewChild} from '@angular/core';
import {MatPaginator, MatTableDataSource} from '@angular/material';

@Component({
selector: 'app-account',
templateUrl: './account.component.html',
styleUrls: ['./account.component.scss']
})

export class AccountComponent {



dept = [
'Administrative Computer',
'Agosta Laboratory',
'Allis Laboratory',
'Bargaman Laboratory',
'Bio-Imaging Resource Center',
'Capital Projects',
'Casanova Laboratory',
'Darst Laboratory',
'Darnell James Laboratory',
'Deans Office',
'Energy Consultant',
'Electronic Shop',
'Facilities Management',
'Field Laboratory'
];


displayedColumns = ['accno', 'accdesc', 'investigator', 'accCPC','location','cdeptid','depdesc'];
dataSource = new MatTableDataSource<Element>(ELEMENT_DATA);

@ViewChild(MatPaginator) paginator: MatPaginator;

ngAfterViewInit() {
this.dataSource.paginator = this.paginator;
}
}

export interface Element {
accno: number;
accdesc: string;
investigator: string;
accCPC: string;
location:string;
cdeptid: number;
depdesc: string;
}

const ELEMENT_DATA: Element[] = [
{accno: 5400343, accdesc: 'ASTRALIS LTD', investigator:'Kruger, James G.', accCPC: 'OR',location:'ON',cdeptid: 110350,depdesc: 'Kruger Laboratory'}

];


can anybody please help me to implement search filter with mat-select component in my application?

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