. ( ) .
3.2.1. y x :
(3.2.1)
x. . 3.2.1 - , .¨
. 3.2.1. - (3.2.1)
: ? (3.2.1) :
, ( , (3.2.1));
, .
MathCAD : , .
( ) :
<.1> < > <.2>,
<.1>, <.2> , < > : ( ).
. ( . 3.2.2) , . 3.2.1.
. 3.2.2.
! = . = .
3.2.1
< | [<] |
[Ctrl] + [9] | |
> | [>] |
[Ctrl] + [0] | |
= | [Ctrl] + [=] |
[Ctrl] + [3] |
: 1 , 0 . 1 , 0 .
3.2.1. x =3. :
. ●
, . 3.2.2.
3.2.2
(NOT) | |
(OR) | |
(AND) | |
(XOR) |
. . 3.2.3.
3.2.3
NOT | AND | OR | XOR |
|
|
, , . : 1 0; . , : AND, OR XOR .
3.2.2. MathCAD, . 3.2.3. ●
. 3.2.3.
, if, :
if (< >, <. 1>, <. 2>),
if . 1, .1, . 2. - . 3.2.4.
. 3.2.4. - if
. 1 . 2 if (. 3.2.1).
3.2.1. if, .
.
.
|
|
. 3.2.5.
, , . 3.2.5. z (x), .
MathCAD , , , . :
ceil (x) , x;
trunc (x) x;
floor (x) , x;
round (x, n) x n ;
(x) 0 x < 0 1 ;
sign (x) ( 0 x = 0; -1, x <0 1, x >0);
signum (x) 1, x = 0 .