author | bhanu |
Mon, 08 Nov 2010 01:34:02 +0530 | |
changeset 454 | 0c69c2b32183 |
parent 351 | 054117c9dd59 |
permissions | -rw-r--r-- |
351
054117c9dd59
changed the name of symbolics to getting started with symbolics
amit
parents:
diff
changeset
|
1 |
Objective Questions |
054117c9dd59
changed the name of symbolics to getting started with symbolics
amit
parents:
diff
changeset
|
2 |
------------------- |
054117c9dd59
changed the name of symbolics to getting started with symbolics
amit
parents:
diff
changeset
|
3 |
|
054117c9dd59
changed the name of symbolics to getting started with symbolics
amit
parents:
diff
changeset
|
4 |
.. A mininum of 8 questions here (along with answers) |
054117c9dd59
changed the name of symbolics to getting started with symbolics
amit
parents:
diff
changeset
|
5 |
|
054117c9dd59
changed the name of symbolics to getting started with symbolics
amit
parents:
diff
changeset
|
6 |
1. How do you define a name 'y' as a symbol? |
054117c9dd59
changed the name of symbolics to getting started with symbolics
amit
parents:
diff
changeset
|
7 |
|
054117c9dd59
changed the name of symbolics to getting started with symbolics
amit
parents:
diff
changeset
|
8 |
|
054117c9dd59
changed the name of symbolics to getting started with symbolics
amit
parents:
diff
changeset
|
9 |
Answer: var('y') |
054117c9dd59
changed the name of symbolics to getting started with symbolics
amit
parents:
diff
changeset
|
10 |
|
054117c9dd59
changed the name of symbolics to getting started with symbolics
amit
parents:
diff
changeset
|
11 |
2. List out some constants pre-defined in sage? |
054117c9dd59
changed the name of symbolics to getting started with symbolics
amit
parents:
diff
changeset
|
12 |
|
054117c9dd59
changed the name of symbolics to getting started with symbolics
amit
parents:
diff
changeset
|
13 |
Answer: pi, e ,euler_gamma |
054117c9dd59
changed the name of symbolics to getting started with symbolics
amit
parents:
diff
changeset
|
14 |
|
054117c9dd59
changed the name of symbolics to getting started with symbolics
amit
parents:
diff
changeset
|
15 |
3. List the functions for differentiation and integration in sage? |
054117c9dd59
changed the name of symbolics to getting started with symbolics
amit
parents:
diff
changeset
|
16 |
|
054117c9dd59
changed the name of symbolics to getting started with symbolics
amit
parents:
diff
changeset
|
17 |
Answer: diff and integral |
054117c9dd59
changed the name of symbolics to getting started with symbolics
amit
parents:
diff
changeset
|
18 |
|
054117c9dd59
changed the name of symbolics to getting started with symbolics
amit
parents:
diff
changeset
|
19 |
4. Get the value of pi upto precision 5 digits using sage? |
054117c9dd59
changed the name of symbolics to getting started with symbolics
amit
parents:
diff
changeset
|
20 |
|
054117c9dd59
changed the name of symbolics to getting started with symbolics
amit
parents:
diff
changeset
|
21 |
Answer: n(pi,5) |
054117c9dd59
changed the name of symbolics to getting started with symbolics
amit
parents:
diff
changeset
|
22 |
|
054117c9dd59
changed the name of symbolics to getting started with symbolics
amit
parents:
diff
changeset
|
23 |
5. Find third order differential of function. |
054117c9dd59
changed the name of symbolics to getting started with symbolics
amit
parents:
diff
changeset
|
24 |
|
054117c9dd59
changed the name of symbolics to getting started with symbolics
amit
parents:
diff
changeset
|
25 |
f(x)=sin(x^2)+exp(x^3) |
054117c9dd59
changed the name of symbolics to getting started with symbolics
amit
parents:
diff
changeset
|
26 |
|
054117c9dd59
changed the name of symbolics to getting started with symbolics
amit
parents:
diff
changeset
|
27 |
Answer: diff(f(x),x,3) |
054117c9dd59
changed the name of symbolics to getting started with symbolics
amit
parents:
diff
changeset
|
28 |
|
054117c9dd59
changed the name of symbolics to getting started with symbolics
amit
parents:
diff
changeset
|
29 |
6. What is the function to find factors of an expression? |
054117c9dd59
changed the name of symbolics to getting started with symbolics
amit
parents:
diff
changeset
|
30 |
|
054117c9dd59
changed the name of symbolics to getting started with symbolics
amit
parents:
diff
changeset
|
31 |
Answer: factor |
054117c9dd59
changed the name of symbolics to getting started with symbolics
amit
parents:
diff
changeset
|
32 |
|
054117c9dd59
changed the name of symbolics to getting started with symbolics
amit
parents:
diff
changeset
|
33 |
7. What is syntax for simplifying a function f? |
054117c9dd59
changed the name of symbolics to getting started with symbolics
amit
parents:
diff
changeset
|
34 |
|
054117c9dd59
changed the name of symbolics to getting started with symbolics
amit
parents:
diff
changeset
|
35 |
Answer f.simplify_full() |
054117c9dd59
changed the name of symbolics to getting started with symbolics
amit
parents:
diff
changeset
|
36 |
|
054117c9dd59
changed the name of symbolics to getting started with symbolics
amit
parents:
diff
changeset
|
37 |
8. Find the solution for x between pi/2 to pi for the given equation? |
054117c9dd59
changed the name of symbolics to getting started with symbolics
amit
parents:
diff
changeset
|
38 |
|
054117c9dd59
changed the name of symbolics to getting started with symbolics
amit
parents:
diff
changeset
|
39 |
sin(x)==cos(x^3)+exp(x^4) |
054117c9dd59
changed the name of symbolics to getting started with symbolics
amit
parents:
diff
changeset
|
40 |
find_root(sin(x)==cos(x^3)+exp(x^4),pi/2,pi) |
054117c9dd59
changed the name of symbolics to getting started with symbolics
amit
parents:
diff
changeset
|
41 |
|
054117c9dd59
changed the name of symbolics to getting started with symbolics
amit
parents:
diff
changeset
|
42 |
9. Create a simple two dimensional matrix with two symbolic variables? |
054117c9dd59
changed the name of symbolics to getting started with symbolics
amit
parents:
diff
changeset
|
43 |
|
054117c9dd59
changed the name of symbolics to getting started with symbolics
amit
parents:
diff
changeset
|
44 |
var('a,b') |
054117c9dd59
changed the name of symbolics to getting started with symbolics
amit
parents:
diff
changeset
|
45 |
A=matrix([[a,1],[2,b]]) |
054117c9dd59
changed the name of symbolics to getting started with symbolics
amit
parents:
diff
changeset
|
46 |
|
054117c9dd59
changed the name of symbolics to getting started with symbolics
amit
parents:
diff
changeset
|
47 |
Larger Questions |
054117c9dd59
changed the name of symbolics to getting started with symbolics
amit
parents:
diff
changeset
|
48 |
---------------- |
054117c9dd59
changed the name of symbolics to getting started with symbolics
amit
parents:
diff
changeset
|
49 |
|
054117c9dd59
changed the name of symbolics to getting started with symbolics
amit
parents:
diff
changeset
|
50 |
.. A minimum of 2 questions here (along with answers) |
054117c9dd59
changed the name of symbolics to getting started with symbolics
amit
parents:
diff
changeset
|
51 |
|
054117c9dd59
changed the name of symbolics to getting started with symbolics
amit
parents:
diff
changeset
|
52 |
1.Find the points of intersection of the circles |
054117c9dd59
changed the name of symbolics to getting started with symbolics
amit
parents:
diff
changeset
|
53 |
|
054117c9dd59
changed the name of symbolics to getting started with symbolics
amit
parents:
diff
changeset
|
54 |
x^2 + y^2 - 4x = 1 |
054117c9dd59
changed the name of symbolics to getting started with symbolics
amit
parents:
diff
changeset
|
55 |
x^2 + y^2 - 2y = 9 |
054117c9dd59
changed the name of symbolics to getting started with symbolics
amit
parents:
diff
changeset
|
56 |
|
054117c9dd59
changed the name of symbolics to getting started with symbolics
amit
parents:
diff
changeset
|
57 |
2. Integrate the function |
054117c9dd59
changed the name of symbolics to getting started with symbolics
amit
parents:
diff
changeset
|
58 |
|
054117c9dd59
changed the name of symbolics to getting started with symbolics
amit
parents:
diff
changeset
|
59 |
x^2*cos(x) |
054117c9dd59
changed the name of symbolics to getting started with symbolics
amit
parents:
diff
changeset
|
60 |
|
054117c9dd59
changed the name of symbolics to getting started with symbolics
amit
parents:
diff
changeset
|
61 |
between 1 to 3. |