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| Title Name | IGNOU MMTE 5 SOLVED ASSIGNMENT |
|---|---|
| Type | Soft Copy (E-Assignment) .pdf |
| University | IGNOU |
| Degree | MASTER DEGREE PROGRAMMES |
| Course Code | MSCMACS |
| Course Name | M.Sc. Mathematics with Applications in Computer Science |
| Subject Code | MMTE 5 |
| Subject Name | Coding Theory |
| Year | 2026 |
| Session | |
| Language | English Medium |
| Assignment Code | MMTE-05/Assignmentt-1//2026 |
| Product Description | Assignment of MSCMACS (M.Sc. Mathematics with Applications in Computer Science) 2026. Latest MMTE 05 2026 Solved Assignment Solutions |
| Last Date of IGNOU Assignment Submission | Last Date of Submission of IGNOU MMTE-05 (MSCMACS) 2026 Assignment is for January 2026 Session: 30th September, 2026 (for December 2026 Term End Exam). Semester Wise January 2026 Session: 30th March, 2026 (for June 2026 Term End Exam). July 2026 Session: 30th September, 2026 (for December 2026 Term End Exam). |
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Ques 1.
Which of the following statements are true and which are false? Justify your answer with a short proof or a counterexample.
i) If the weight of each element in the generating matrix of a linear code is at least r, the minimum distance of the code is at least r.
ii) There is no linear self orthogonal code of odd length.
iii) There is no 3-cyclotomic coset modulo 121 of size 25.
iv) There is no duadic code of length 15 over .
v) There is no LDPC code with parameters ,
and
.
Ques 2.
Which of the following binary codes are linear?
i)
ii)
Justify your answer.
Ques 3.
Find the minimum distance for each of the codes.
Ques 4.
For each of the linear codes, find the degree, a generator matrix and a parity check matrix.
Ques 5.
For a linear code C with generator matrix
find the parity check matrix. Check that any two columns of the parity check matrix are linearly independent and there are three columns that are linearly dependent. What is the minimum distance of C ?
Ques 6.
Find the parity check matrix of the code . Decode the following vectors
i)
ii)
iii)
iv)
Ques 7.
Find the parity check matrix of the code .
Ques 8.
Let and
be two binary codes with generator matrices
respectively.
i) Find the minimum distance of both the codes.
Table 1: Table for F16.
| 0000 | 0 | 1000 | α³ | 1011 | α⁷ | 1110 | α¹¹ |
|---|---|---|---|---|---|---|---|
| 0001 | 1 | 0011 | α⁴ | 0101 | α⁸ | 1111 | α¹² |
| 0010 | α | 0110 | α⁵ | 1010 | α⁹ | 1101 | α¹³ |
| 0100 | α² | 1100 | α⁶ | 0111 | α¹⁰ | 1001 | α¹⁴ |
ii) Find the generator matrix of the code
obtained from C1 and C2 by (u|u+v) construction. Also, find the minimum distance of C .
Ques 9.
Let and
be two binary codes with generator matrices
respectively.
i) Find the minimum distance of both the codes.
Table 1: Table for F16.
| 0000 | 0 | 1000 | α³ | 1011 | α⁷ | 1110 | α¹¹ |
|---|---|---|---|---|---|---|---|
| 0001 | 1 | 0011 | α⁴ | 0101 | α⁸ | 1111 | α¹² |
| 0010 | α | 0110 | α⁵ | 1010 | α⁹ | 1101 | α¹³ |
| 0100 | α² | 1100 | α⁶ | 0111 | α¹⁰ | 1001 | α¹⁴ |
ii) Find the generator matrix of the code
obtained from C1 and C2 by (u|u+v) construction. Also, find the minimum distance of C .
Ques 10.
) For the binary, (6,3) linear code C with generator matrix
prepare a standard array for decoding. Use it to decode the vectors (1, 1, 1, 0, 1, 1), and (1, 1, 0, 1, 1, 1). \hfill (7)
Ques 11.
Prepare a syndrome table for C in part a) and decode the vectors (1, 1, 1, 1, 0, 1) and (0, 1, 0, 1, 1, 1). \hfill (5)
Ques 12.
he aim of this exercise is to show that every binary repetition code of odd length is perfect.
i) Find the value of t and d for a binary repetition code of length . \hfill (2)
ii) Show that
(Hint: Start with the relation
iii) Deduce that every repetition code of odd length is perfect.
Ques 13.
) Let C be the ternary [8,3] narrow-sense BCH code of designed distance , which has defining set
. Use the primitive root 8th root of unity you chose in 4a) to avoid recomputing the the table of powers. If
is the generator polynomial of C and
is the received word, find the transmitted codeword. Use the following table in 1.
Ques 14.
Let C be the [5, 2] binary code generated by
Find the weight enumerator C of C . Use McWilliams identity to find the weight enumerator of C. Verify your answer by finding the generator matrix of C and finding the weight distribution of C.
Ques 15.
Let C be a cyclic code of length eight over with generator polynomial
. Find the generator matrix of C, the generator polynomial of C and the parity check matrix of C.
Ques 16.
Factor x5 - 1 over . Give the generator polynomials of all cyclic codes of length five over
.
Ques 17.
Factor x8 - 1 over . Give the generator polynomials of all cyclic codes of length eight over
.
Ques 18.
Determine whether each of the following statement is true or false. Justify your answer with a short proof or a counter example.
i) If , where a and b are integers, then
if a > 0.
ii) If f(z) and are analytic functions in a domain, then f is necessarily a constant.
iii) A real-valued function u(x, y) is harmonic in D iff u(x, -y) is harmonic in D.
iv) .
v) The inequality holds for
.
vi) If has the property that
converges, then f is necessarily an entire function.
vii) If a power series converges for |z| < 1 and if
is such that |bn| < n2 |an| for all
, then
converges for |z| < 1.
viii) If f is entire and for all z, then there exists an entire function g such that
for all
.
ix) A mobius transformation which maps the upper half plane onto itself and fixing
and no other points, must be of the form
for some
and
.
x) If f is entire and is bounded as
, then f is constant.
Ques 19.
If is entire such that
in
then show that f has the form
where
are constants with
.
Ques 20.
Consider and the closed circular region
. Find points in R where |f(z)| has its maximum and minimum values.
Ques 21.
Find the points where the function is not analytic.
Ques 22.
) Evaluate the following integrals:
i) .
ii) .
Ques 23.
Find the image of the circle under the mapping
. What happens when
?
Ques 24.
If , then show that there exists a real R > 0 such that
for
.
b) Find all solutions to the equation .
Ques 25.
Find the constant c such that can be extended to be analytic at
, when
is fixed.
Ques 26.
Find all the singularities of the function .
Ques 27.
Evaluate where c is the circle
.
Ques 28.
Find the maximum modulus of on the closed circular region defined by
.
Ques 29.
Evaluate , where c is the eight like figure shown in Fig. 1.
Ques 30.
Find the radius of convergence of the following series.
i)
ii)
Ques 31.
Expand in a Laurent series valid for
i) 0 < |z - 1| < 2 and ii) 0 < |z - 3| < 2.
Ques 32.
Find the zeros and singularities of the function in
. Also find the residue at the poles
Ques 33.
Prove that the linear fractional transformation maps the circle
into itself. Also prove
that f(z) is conformal in .
Ques 34.
Find the image of the semi-infinite strip x > 0, 0 < y < 1 when . Sketch the strip and its image.
Ques 35.
Show that there is only one linear fractional transformation that maps three given distinct points z1, z2 and z3 in the extended z plane onto three specified distinct points w1, w2 and w3 in the extended w plane.
Ques 36.
Evaluate the following integrals
a) .
b) .
Ques 37.
Which of the following statements are true and which are false? Justify your answer with a short proof or a counterexample.
i) If the weight of each element in the generating matrix of a linear code is at least r, the minimum distance of the code is at least r.
ii) There is no linear self orthogonal code of odd length.
iii) There is no 3-cyclotomic coset modulo 121 of size 25.
iv) There is no duadic code of length 15 over .
v) There is no LDPC code with parameters ,
and
.
Ques 38.
Which of the following binary codes are linear?
i)
ii)
Justify your answer.
Ques 39.
Find the minimum distance for each of the codes.
Ques 40.
For each of the linear codes, find the degree, a generator matrix and a parity check matrix.
Ques 41.
For a linear code C with generator matrix
find the parity check matrix. Check that any two columns of the parity check matrix are linearly independent and there are three columns that are linearly dependent. What is the minimum distance of C ?
Ques 42.
Find the parity check matrix of the code . Decode the following vectors
i)
ii)
iii)
iv)
Ques 43.
Find the parity check matrix of the code .
Ques 44.
Let and
be two binary codes with generator matrices
respectively.
i) Find the minimum distance of both the codes.
Table 1: Table for F16.
| 0000 | 0 | 1000 | α³ | 1011 | α⁷ | 1110 | α¹¹ |
|---|---|---|---|---|---|---|---|
| 0001 | 1 | 0011 | α⁴ | 0101 | α⁸ | 1111 | α¹² |
| 0010 | α | 0110 | α⁵ | 1010 | α⁹ | 1101 | α¹³ |
| 0100 | α² | 1100 | α⁶ | 0111 | α¹⁰ | 1001 | α¹⁴ |
ii) Find the generator matrix of the code
obtained from C1 and C2 by (u|u+v) construction. Also, find the minimum distance of C .
Ques 45.
Let and
be two binary codes with generator matrices
respectively.
i) Find the minimum distance of both the codes.
Table 1: Table for F16.
| 0000 | 0 | 1000 | α³ | 1011 | α⁷ | 1110 | α¹¹ |
|---|---|---|---|---|---|---|---|
| 0001 | 1 | 0011 | α⁴ | 0101 | α⁸ | 1111 | α¹² |
| 0010 | α | 0110 | α⁵ | 1010 | α⁹ | 1101 | α¹³ |
| 0100 | α² | 1100 | α⁶ | 0111 | α¹⁰ | 1001 | α¹⁴ |
ii) Find the generator matrix of the code
obtained from C1 and C2 by (u|u+v) construction. Also, find the minimum distance of C .
Ques 46.
) For the binary, (6,3) linear code C with generator matrix
prepare a standard array for decoding. Use it to decode the vectors (1, 1, 1, 0, 1, 1), and (1, 1, 0, 1, 1, 1). \hfill (7)
Ques 47.
Prepare a syndrome table for C in part a) and decode the vectors (1, 1, 1, 1, 0, 1) and (0, 1, 0, 1, 1, 1). \hfill (5)
Ques 48.
he aim of this exercise is to show that every binary repetition code of odd length is perfect.
i) Find the value of t and d for a binary repetition code of length . \hfill (2)
ii) Show that
(Hint: Start with the relation
iii) Deduce that every repetition code of odd length is perfect.
Ques 49.
) Let C be the ternary [8,3] narrow-sense BCH code of designed distance , which has defining set
. Use the primitive root 8th root of unity you chose in 4a) to avoid recomputing the the table of powers. If
is the generator polynomial of C and
is the received word, find the transmitted codeword. Use the following table in 1.
Ques 50.
Let C be the [5, 2] binary code generated by
Find the weight enumerator C of C . Use McWilliams identity to find the weight enumerator of C. Verify your answer by finding the generator matrix of C and finding the weight distribution of C.
Ques 51.
Let C be a cyclic code of length eight over with generator polynomial
. Find the generator matrix of C, the generator polynomial of C and the parity check matrix of C.
Ques 52.
Factor x5 - 1 over . Give the generator polynomials of all cyclic codes of length five over
.
Ques 53.
Factor x8 - 1 over . Give the generator polynomials of all cyclic codes of length eight over
.
Ques 54.
Determine whether each of the following statement is true or false. Justify your answer with a short proof or a counter example.
i) If , where a and b are integers, then
if a > 0.
ii) If f(z) and are analytic functions in a domain, then f is necessarily a constant.
iii) A real-valued function u(x, y) is harmonic in D iff u(x, -y) is harmonic in D.
iv) .
v) The inequality holds for
.
vi) If has the property that
converges, then f is necessarily an entire function.
vii) If a power series converges for |z| < 1 and if
is such that |bn| < n2 |an| for all
, then
converges for |z| < 1.
viii) If f is entire and for all z, then there exists an entire function g such that
for all
.
ix) A mobius transformation which maps the upper half plane onto itself and fixing
and no other points, must be of the form
for some
and
.
x) If f is entire and is bounded as
, then f is constant.
Ques 55.
If is entire such that
in
then show that f has the form
where
are constants with
.
Ques 56.
Consider and the closed circular region
. Find points in R where |f(z)| has its maximum and minimum values.
Ques 57.
Find the points where the function is not analytic.
Ques 58.
) Evaluate the following integrals:
i) .
ii) .
Ques 59.
Find the image of the circle under the mapping
. What happens when
?
Ques 60.
If , then show that there exists a real R > 0 such that
for
.
b) Find all solutions to the equation .
Ques 61.
Find the constant c such that can be extended to be analytic at
, when
is fixed.
Ques 62.
Find all the singularities of the function .
Ques 63.
Evaluate where c is the circle
.
Ques 64.
Find the maximum modulus of on the closed circular region defined by
.
Ques 65.
Evaluate , where c is the eight like figure shown in Fig. 1.
Ques 66.
Find the radius of convergence of the following series.
i)
ii)
Ques 67.
Expand in a Laurent series valid for
i) 0 < |z - 1| < 2 and ii) 0 < |z - 3| < 2.
Ques 68.
Find the zeros and singularities of the function in
. Also find the residue at the poles
Ques 69.
Prove that the linear fractional transformation maps the circle
into itself. Also prove
that f(z) is conformal in .
Ques 70.
Find the image of the semi-infinite strip x > 0, 0 < y < 1 when . Sketch the strip and its image.
Ques 71.
Show that there is only one linear fractional transformation that maps three given distinct points z1, z2 and z3 in the extended z plane onto three specified distinct points w1, w2 and w3 in the extended w plane.
Ques 72.
Evaluate the following integrals
a) .
b) .
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| Course Name | M.Sc. Mathematics with Applications in Computer Science |
| Course Code | MSCMACS |
| Programm | MASTER DEGREE PROGRAMMES Courses |
| Language | English |
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