⇤ ← Revision 1 as of 2010-08-11 12:12:52
443
Comment: still great scope of improvement
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← Revision 2 as of 2010-08-12 10:06:08 ⇥
499
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Deletions are marked like this. | Additions are marked like this. |
Line 9: | Line 9: |
y = function('y', x) | |
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d_y=derivative(y,x) | d_y=derivative(y,x) |
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y = var('y') c_val=solve([c==y*exp(-2*x)], c) |
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d_y=d_y.subs(c_val[0]) print d_y |
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print "d_y=" ,d_y print "where c=y*exp(-2*x)" |
Book
Advanced Engineering Mathematics
Author
Erwin Kreyszig
Edition
8th Edition
x,c=var('x,c') y = function('y', x) y=c*exp(2*x) d_y=derivative(y,x) # d_y is the first derivative of y wrt x y = var('y') c_val=solve([c==y*exp(-2*x)], c) d_y=d_y.subs(c_val[0]) print d_y
Solution by:
<sunny mehrotra>, <student>, <IIT Roorkee>
<sharat s.i>, <student>, <IIT Roorkee>