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Symbolic




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 -

 





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