Choose an application of engineering where differential equations are used.
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assignments_marking_scheme201401.rtf1202BPS – ASSIGNMENT 3 – TERM 1 - 2014
QUESTION 1 MARKING SCHEME – 25 marks
Category
marks
marks
marks
mark
Brief account and
One paragraph,
One paragraph
Very small
Not done
relevance of uses
Why? Where?
with Why? But not
explanation
of differential
Where? etc
equations for
20 marks
10 marks
5 marks
0 marks
engineering
Validation and
All websites used
Some websites are
Websites are not
citations
were validated and
cited properly
indicated nor
cited appropriately
validated.
5 marks
2 mark
0 marks
QUESTION 2 MARKING SCHEME – 25 marks
Category
marks
marks
marks
mark
Solve one first order,
Excellent
Good explanation
Mistakes in
Not done or it is all
linear, ordinary
explanation
but can be better
explanation
incorrect
differential equation
Marks will depend
where an
25 marks
20 marks
on numbers of
integrating factor is
errors
0 marks
needed in the
solution. Explain
why the integrating
factor works and
when should this
method be used
1202BPS – ASSIGNMENT 3 – TERM 1 - 2014
QUESTION 3 MARKING SCHEME – 25 marks
Category
marks
marks
marks
mark
Solve one second
Excellent
Good explanation
Mistakes in
Not done
order, linear,
explanation
but could be better
explanations
inhomogeneous
Marks will depend
with constant
25 marks
20 marks
on numbers of
0 marks
coefficients,
errors
ordinary differential
equation where the
right hand side is a
quadratic function
of x.
QUESTION 4 MARKING SCHEME – 25 marks
Category
marks
marks
marks
mark
What are
Excellent
Good explanation
Mistakes in
Not done
homogeneous
explanation
but could be better
explanations
linear equations
Marks will depend
and how are they
20 marks
15 marks
on numbers of
0 marks
important in
errors
engineering.
Validation and
All websites used
Some websites are
Websites are not
citations
were validated and
cited properly
indicated nor
1202BPS – ASSIGNMENT 3 – TERM 1 - 2014
cited appropriately
validated.
5 marks
2 mark
O marks
