Symbolic () , .
Symbolic () - , :
, ;
Symbolic ();
MathCad .
, , , .
.
Evaluate/Symbolically (/) - .
, .
Simplify () - .
- , Simplify, .. , , , .
7.4 .
7.4 - Simplify.
Expand () - .
, Expand . - , . , , .
, , cos(5 x)
16 cos (x)5- 20 cos (x)3+ 5 cos(x).
Factor () - .
, MathCad , . , 3546738466 22 32 713 509 709,
(-5xzy + 2xz2 - x2y - 2x2z + 3y2z + 6y z2 - 3xy)
(x + 3y)(2z + y)(z - x).
, . , a b + a c + x, MathCad , , a (b + c) + x.
Collect () - .
, . . .
, x
|
|
x2 - ayx2 + 2y2x-x
Collect,
(1 - ay) x2+ (2y2 -1) x.
Polinomial Coefficients ( ) - .
. . , , x
3× b× x3 - p× x + 2/3
,
, Variable () () , .
Variable/Solve (/) .
, :
. MathCad ( ), , . , Ctrl/= ;
, ;
Variable/Solve.
MathCad . , .
, >, ≥, <, ≤. . .
7.5 .
7.5 -
Variable/Substitute (/) .
.
:
, ;
;
, , .
, , x + 3 a, z 2 + 2/ z z, : .
Variable/ Differentiate (/) .
. , 2× x 2 x, x , MathCad 4× x.
y x, 1, MathCad , , .
x, y, .
Variable/Integrate (/) .
, 7.1;
Variable/Integrate , , , , , .
7.6 .
MathCad , .
|
|
, f(x) - , f(x) + C.
7.6 -
Variable/Expand to Series (/ ) -
Expand, :
, ;
;
0.
Convert to Partial Fraction (/ ) -
, . , .
, x :
,
.
Matrix ()-
, , .
.
7.7
7.7 -
MathCad . MathCad , , .., , : , , .
MathCad , .
MathCad. . , .
MathCad if, then, else, while ., , 8.1.
8.1 - MathCad
.
, .
, , , MathCad.
; | |
Add Line. ; | |
, Tab. Z ; | |
x/y; | |
log(Z); |
MathCad , Z x/y , Z , x/y.
, . 8.2 MathCad. , Z .
( 8.2). Add Line . , Del .
|
|
8.2 - MathCad
. , 8.2, , .
, :
; | |
Add Line ; | |
if ; | |
. , , ; | |
otherwise ; | |
, , . |
8.3 , 8.4 - , , if.
8.3 -
8.4 - if if
8.3 while
while MathCad . . , Esc .
8.5 while.
8.5 - while
8.4 break, return
. , break, , , .
, . return, - , . . , 8.5 , v , t. , while , .
8.6 , v t. , t.
8.6 - return
8.5 for
for, , . for:
for ; | |
Î , - , . , ; | |
, . |
8.7 for, N.
, , . , , Î , , , .
|
|
8.7 - for
, , . MathCad :
, , ;
.
, .
8.8 , , , 8.9 - .
8.8 -
8.9 -
, 8.10.
:
, ;
. : f (n +1) f (n) f (0), f.
8.10 -