() MathCAD 2001 CreateMesh. CreateMesh , . , CreateMesh.
f (x, y) = . (7)
CreateMesh . . CreateMesh
CreateMesh ( f, x 0, x 1, y 0, y 1),
f , (7); x 0 x; x 1 x; y 0 - y; y 1 - y.
CreateMesh :
1) ;
2) ;
3) S:= CreateMesh ( ......);
9) : Insert Graph Surface Plot;
10) , , S .
, S .
MathCAD CreateMesh . 17.
. 17.
, , CreateMesh. , . .
XOY y = f (x) (a £ x £ b), f (x) - .
. 18.
OX, , . MathCAD (, MathCAD 7) . MathCAD 2001 CreateSpace
CreateSpace ( F, G, H, a, b, q1, q2, N).
F, G, H ,
F (x, q) = x, G (x, q) = f (x) cos (q), H (x, q) = f (x) sin (q),
q - (. . 20), a x, b x, q1 - q, q2 - q, N , .
. 19.
:
1) f (x), x q;
2) F (x, q), G (x, q), H (x, q);
3) S:= CreateMesh ( ......);
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4) : Insert Graph Surface Plot;
5) , , S .
MathCAD CreateMesh . 20, 21.
. 20.
. 21.
a, b, q1, q2 x, q 1 , CreateMesh 3 .
.
3.6.1. .
, 3.13.5, . , : Insert Graph Surface Plot.
, . : Insert Graph 3D Scatter Plot. . , , 3.13.5:
- ;
- ;
- ;
- ;
- CreateMesh. , CreateMesh .
. 22,23.
.22. ( )
.23. ( ).
. 24. ( ).
3.6.2. .
, , , y z x:
y = f (x), z = g (x). (8)
, ,
F (x, y, z) = 0, G (x, y, z) = 0. (9)
(9) .
( ). x, y, z t, :
x = x (t); y = y (t); z = z (t). (10)
(10)
H (t): = . (11)
MathCAD 2001 CreateSpace. CreateSpace (H, t 1, t 2, N), H , (11); t 1 t; t 2 t; N , .
CreateSpace :
4) ( (11));
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5) ;
6) S:= CreateSpace ( ......);
11) : Insert Graph 3D Scatter Plot;
12) , , S .
. 25 CreateSpace.
. 25.
, , x = x (h, q); y = y (h, q); z = z (h, q). h, q - , : hi, q i. , . , : Insert Graph 3D Scatter Plot. , h, q : hi, q j.
. 26, 27.
. 26. .
. 27. .