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Editor: trss
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Deletions are marked like this. Additions are marked like this.
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## page was renamed from SageDays/Kreyszig-2.1-6-S
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    return diff(diff(y1)) + y1 == 0 and diff(diff(y2)) + y2 == 0     if diff(diff(y1)) + y1 == 0 and diff(diff(y2)) + y2 == 0:
        return 'solution'
    else:
        return 'not a solution'
Line 13: Line 17:
    return diff(y1/y2) == 0     if diff(y1/y2) == 0:
        return 'const'
    else:
        return 'not a const'
Line 15: Line 22:
if solve(cos(x), sin(x)):
    print 'const'
else:
    print 'not a const'		 print solve(cos(x), sin(x))
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   * <T R Shyam Sundar>, <Student>, <CMI>
   * <Sonam Kumar>, <Student>, <CMI>
   * <Vignesh Ganapathiraman>, <Student> <CMI>
   * <Pooja Kalra>, <Student>, <Malwa Institute of Technology>		    * T R Shyam Sundar, Student, CMI
   * Sonam Kumar, Student, CMI
   * Vignesh Ganapathiraman, Student, CMI
   * Pooja Kalra, Student, Malwa Institute of Technology

  • Book

    Advanced Engineering Mathematics

    Author

    Erwin Kreyszig

    Edition

    8th Edition 

# page 69 EXAMPLE 6
reset()
def verify(y1, y2):
    if diff(diff(y1)) + y1 == 0 and diff(diff(y2)) + y2 == 0:
        return 'solution'
    else:
        return 'not a solution'
def solve(y1, y2):
    if diff(y1/y2) == 0:
        return 'const'
    else:
        return 'not a const'
print verify(cos(x), sin(x))
print solve(cos(x), sin(x))

  • Solution by:

    • T R Shyam Sundar, Student, CMI
    • Sonam Kumar, Student, CMI
    • Vignesh Ganapathiraman, Student, CMI
    • Pooja Kalra, Student, Malwa Institute of Technology

Kreyszig-2.1-6 (last edited 2010-12-17 06:48:27 by trss)