author | anand |
Thu, 11 Nov 2010 00:03:57 +0530 | |
changeset 472 | fcdec2d28c9a |
parent 351 | 054117c9dd59 |
permissions | -rw-r--r-- |
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Objective Questions |
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.. A mininum of 8 questions here (along with answers) |
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1. How do you define a name 'y' as a symbol? |
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Answer: var('y') |
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2. List out some constants pre-defined in sage? |
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Answer: pi, e ,euler_gamma |
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3. List the functions for differentiation and integration in sage? |
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Answer: diff and integral |
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4. Get the value of pi upto precision 5 digits using sage? |
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Answer: n(pi,5) |
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5. Find third order differential of function. |
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f(x)=sin(x^2)+exp(x^3) |
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Answer: diff(f(x),x,3) |
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6. What is the function to find factors of an expression? |
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Answer: factor |
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7. What is syntax for simplifying a function f? |
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Answer f.simplify_full() |
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8. Find the solution for x between pi/2 to pi for the given equation? |
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sin(x)==cos(x^3)+exp(x^4) |
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find_root(sin(x)==cos(x^3)+exp(x^4),pi/2,pi) |
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9. Create a simple two dimensional matrix with two symbolic variables? |
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var('a,b') |
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A=matrix([[a,1],[2,b]]) |
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Larger Questions |
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.. A minimum of 2 questions here (along with answers) |
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1.Find the points of intersection of the circles |
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x^2 + y^2 - 4x = 1 |
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x^2 + y^2 - 2y = 9 |
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2. Integrate the function |
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x^2*cos(x) |
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between 1 to 3. |