:
( ) DELPHI, .
:
1 Unit DELPHI .
2 Uses.
3 , .
4. Delphi (ListBox, ComboBox).
:
1. , DELPHI(File-New-Unit).
2. (Unit) .
3. DELPHI, -.
4. , , . (ComboBox)
5. .
:
1. : x1,y1,x2,y2, ,xn,yn.
C (Unit) :
) ;
) ;
) .
(ComboBox).
2. 1, ,n , n . (Unit) :
)
( 1 n);
) ;
) .
(ComboBox).
3. (2 * N), - , - . (Unit) :
)
?
) ?
) .
(ComboBox).
4. N M.
- .
C (Unit) :
) ;
) ( )
.
(ComboBox).
5. (Unit), (+,-,*, /).
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(procedure TForm1.Button1Click), , TCombobox.
:
Type
Complex=record
re,im:real;
end;
:
z1=a+i*b; z2=c+i*d;
z1+z2=(a+c)+i*(b+d);
z1-z2=(a-c)+i*(b-d);
z1*z2=(a*c-b*d)+i*(a*d+b*c);
z1/z2=((a*c+b*d)/(c*c+d*d))+i*((b*c-a*d)/(c*c+d*d));
6. N :x1,y1,m1,x2,y2,m2,...,xn,yn,mn, xi,yi- i- , mi- . Unit :
a) :
x=(x1*m1+x2*m2+...+xn*mn)/(m1+m2+...+mn);
y=(y1*m1+y2*m2+...+yn*mn)/(m1+m2+...+mn);
) ;
) .
-- TCombobox.
:
1. Unit DELPHI
2. , Interface Implementation.
3 . Uses DELPHI.
4. DELPHI.
5. DELPHI.
10
DELPHI
(4 )
: DELPHI , .
:
1. TForms, TImage, TPaintBox ( Canvas) , .
2. TChart .
:
1. (. ).
2.C ( ) ( ).
3. C ( VCL DIALOGS.
4. :
) TChart;
) ( Canvas) TPaintbox TImage.
5. .
6. .
:
1. y= (x+3)/(x-2);
2.y=3+2/x+3/(x*x);
3.y=1/(3*x*x+2*x+1);
4. y=1/(x*x+2*x+1);
5. y=1/(x*x+3*x+1);
6. y=x/(3*x*x+2*x+1);
7. y=x/(x*x+2*x+1);
8. y=x/(x*x+3*x+1);
9. y=x/(x*x-2*x+1);
10. y=x/(x*x-3*x+1);
.
, , : .
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:
1. TImage.
2. TPaintBox-- , .
3. TChart.
