Луканин, Д.П. Сравнение различных способов аппроксимации дифференциального оператора на грубой сетке при решении эллиптического дифференциального уравнения второго порядка двухсеточным методом [Электронный ресурс] / Д.П. Луканин, Б.С. Григорьев; СПбГТУ. Физико-механический факультет. — (Секция "Прикладная математика"). — Электрон. текстовые дан. (1 файл :84,4 Кб) // Материалы...27 ноября - 2 декабря 2000 г. [Электронный ресурс] / Санкт-Петербургский государственный технический университет. Межвузовская научная конференция, Неделя науки (29; 2000; Санкт-Петербург); Совет СПбГТУ по научно-исследовательской работе студентов; Под общ. ред. В.В. Глухова. – СПб. – 2001. – Физико-механический факультет и факультет медицинской физики и биоинженерии [Электронный ресурс]. — Свободный доступ из сети Интернет (чтение, печать, копирование). — Текстовый файл. — AdobeAcrobatReader 4,0. — <URL:http://elib.spbstu.ru/dl/000375.pdf>.
|
Period
|
Read
|
Print
|
Copy
|
Open
|
Total
|
|
Year 2012
|
Quarter 1
|
January
|
2
|
0
|
1
|
0
|
3
|
|
February
|
2
|
0
|
1
|
0
|
3
|
|
March
|
3
|
0
|
4
|
0
|
7
|
|
Quarter 2
|
April
|
3
|
0
|
1
|
0
|
4
|
|
May
|
1
|
0
|
0
|
0
|
1
|
|
June
|
1
|
0
|
3
|
0
|
4
|
|
Quarter 3
|
July
|
1
|
0
|
0
|
0
|
1
|
|
August
|
1
|
0
|
0
|
0
|
1
|
|
September
|
2
|
0
|
2
|
0
|
4
|
|
Quarter 4
|
October
|
2
|
0
|
2
|
0
|
4
|
|
November
|
4
|
0
|
3
|
0
|
7
|
|
December
|
4
|
0
|
3
|
0
|
7
|
|
Year 2013
|
Quarter 1
|
January
|
1
|
0
|
4
|
0
|
5
|
|
February
|
5
|
0
|
3
|
0
|
8
|
|
March
|
0
|
0
|
1
|
0
|
1
|
|
Quarter 2
|
April
|
0
|
0
|
0
|
0
|
0
|
|
May
|
2
|
0
|
2
|
0
|
4
|
|
June
|
4
|
0
|
3
|
0
|
7
|
|
Quarter 3
|
July
|
5
|
0
|
1
|
0
|
6
|
|
August
|
9
|
0
|
8
|
0
|
17
|
|
September
|
9
|
0
|
0
|
0
|
9
|
|
Quarter 4
|
October
|
4
|
0
|
0
|
0
|
4
|
|
November
|
6
|
0
|
2
|
0
|
8
|
|
December
|
9
|
0
|
5
|
0
|
14
|
|
Year 2014
|
Quarter 1
|
January
|
5
|
0
|
1
|
0
|
6
|
|
February
|
9
|
0
|
4
|
0
|
13
|
|
March
|
7
|
0
|
2
|
0
|
9
|
|
Quarter 2
|
April
|
2
|
0
|
0
|
0
|
2
|
|
May
|
6
|
0
|
3
|
0
|
9
|
|
June
|
12
|
0
|
3
|
0
|
15
|
|
Quarter 3
|
July
|
10
|
0
|
2
|
0
|
12
|
|
August
|
5
|
0
|
2
|
0
|
7
|
|
September
|
5
|
0
|
2
|
0
|
7
|
|
Quarter 4
|
October
|
7
|
0
|
1
|
0
|
8
|
|
November
|
3
|
0
|
3
|
0
|
6
|
|
December
|
4
|
0
|
0
|
0
|
4
|
|
Year 2015
|
Quarter 1
|
January
|
6
|
0
|
0
|
0
|
6
|
|
February
|
7
|
0
|
4
|
0
|
11
|
|
March
|
7
|
0
|
0
|
0
|
7
|
|
Quarter 2
|
April
|
2
|
0
|
0
|
0
|
2
|
|
May
|
5
|
0
|
2
|
0
|
7
|
|
June
|
4
|
0
|
4
|
0
|
8
|
|
Quarter 3
|
July
|
4
|
0
|
7
|
0
|
11
|
|
August
|
1
|
0
|
3
|
0
|
4
|
|
September
|
0
|
0
|
1
|
0
|
1
|
|
Quarter 4
|
October
|
5
|
0
|
7
|
0
|
12
|
|
November
|
4
|
0
|
1
|
0
|
5
|
|
December
|
4
|
0
|
1
|
0
|
5
|
|
Year 2016
|
Quarter 1
|
January
|
7
|
0
|
1
|
0
|
8
|
|
February
|
6
|
0
|
3
|
0
|
9
|
|
March
|
5
|
0
|
2
|
0
|
7
|
|
Quarter 2
|
April
|
1
|
0
|
3
|
0
|
4
|
|
May
|
2
|
0
|
0
|
0
|
2
|
|
June
|
5
|
0
|
1
|
0
|
6
|
|
Quarter 3
|
July
|
3
|
0
|
0
|
0
|
3
|
|
August
|
3
|
0
|
0
|
0
|
3
|
|
September
|
2
|
0
|
0
|
0
|
2
|
|
Quarter 4
|
October
|
6
|
0
|
0
|
0
|
6
|
|
November
|
2
|
0
|
1
|
0
|
3
|
|
December
|
3
|
0
|
0
|
0
|
3
|
|
Year 2017
|
Quarter 1
|
January
|
3
|
0
|
4
|
0
|
7
|
|
February
|
0
|
0
|
1
|
0
|
1
|
|
March
|
6
|
0
|
0
|
0
|
6
|
|
Quarter 2
|
April
|
1
|
0
|
0
|
0
|
1
|
|
May
|
3
|
0
|
1
|
0
|
4
|
|
June
|
2
|
0
|
2
|
0
|
4
|
|
Quarter 3
|
July
|
5
|
0
|
2
|
0
|
7
|
|
August
|
3
|
0
|
1
|
0
|
4
|
|
September
|
1
|
0
|
2
|
0
|
3
|
|
Quarter 4
|
October
|
5
|
0
|
0
|
0
|
5
|
|
November
|
1
|
0
|
1
|
0
|
2
|
|
December
|
7
|
0
|
2
|
0
|
9
|
|
Year 2018
|
Quarter 1
|
January
|
3
|
0
|
2
|
0
|
5
|
|
February
|
4
|
0
|
1
|
0
|
5
|
|
March
|
1
|
0
|
0
|
0
|
1
|
|
Quarter 2
|
April
|
3
|
0
|
2
|
0
|
5
|
|
May
|
3
|
0
|
1
|
0
|
4
|
|
June
|
1
|
0
|
0
|
0
|
1
|
|
Quarter 3
|
July
|
4
|
0
|
0
|
0
|
4
|
|
August
|
4
|
0
|
3
|
0
|
7
|
|
September
|
4
|
0
|
4
|
0
|
8
|
|
Quarter 4
|
October
|
3
|
0
|
3
|
0
|
6
|
|
November
|
2
|
0
|
3
|
0
|
5
|
|
December
|
2
|
0
|
0
|
0
|
2
|
|
Year 2019
|
Quarter 1
|
January
|
7
|
0
|
2
|
0
|
9
|
|
February
|
4
|
0
|
1
|
0
|
5
|
|
March
|
2
|
0
|
2
|
0
|
4
|
|
Quarter 2
|
April
|
6
|
0
|
2
|
0
|
8
|
|
May
|
1
|
0
|
2
|
0
|
3
|
|
June
|
2
|
0
|
0
|
0
|
2
|
|
Quarter 3
|
July
|
2
|
0
|
2
|
0
|
4
|
|
August
|
2
|
0
|
1
|
0
|
3
|
|
September
|
1
|
0
|
3
|
0
|
4
|
|
Quarter 4
|
October
|
1
|
0
|
1
|
0
|
2
|
|
November
|
1
|
0
|
1
|
0
|
2
|
|
December
|
2
|
0
|
3
|
0
|
5
|
|
Year 2020
|
Quarter 1
|
January
|
0
|
0
|
1
|
0
|
1
|
|
February
|
1
|
0
|
0
|
0
|
1
|
|
March
|
4
|
0
|
6
|
0
|
10
|
|
Quarter 2
|
April
|
2
|
0
|
0
|
0
|
2
|
|
May
|
3
|
0
|
0
|
0
|
3
|
|
June
|
4
|
0
|
0
|
0
|
4
|
|
Quarter 3
|
July
|
1
|
0
|
0
|
0
|
1
|
|
August
|
0
|
0
|
0
|
0
|
0
|
|
September
|
1
|
0
|
0
|
0
|
1
|
|
Quarter 4
|
October
|
3
|
0
|
1
|
0
|
4
|
|
November
|
0
|
0
|
4
|
0
|
4
|
|
December
|
1
|
0
|
4
|
0
|
5
|
|
Year 2021
|
Quarter 1
|
January
|
3
|
0
|
3
|
0
|
6
|
|
February
|
4
|
0
|
2
|
0
|
6
|
|
March
|
1
|
0
|
2
|
0
|
3
|
|
Quarter 2
|
April
|
1
|
0
|
2
|
0
|
3
|
|
May
|
1
|
0
|
3
|
0
|
4
|
|
June
|
2
|
0
|
5
|
0
|
7
|
|
Quarter 3
|
July
|
2
|
0
|
4
|
0
|
6
|
|
August
|
2
|
0
|
0
|
0
|
2
|
|
September
|
4
|
0
|
4
|
0
|
8
|
|
Quarter 4
|
October
|
1
|
0
|
1
|
0
|
2
|
|
November
|
0
|
0
|
2
|
0
|
2
|
|
December
|
2
|
0
|
0
|
0
|
2
|
|
Year 2022
|
Quarter 1
|
January
|
5
|
0
|
2
|
0
|
7
|
|
February
|
2
|
0
|
2
|
0
|
4
|
|
March
|
3
|
0
|
6
|
0
|
9
|
|
Quarter 2
|
April
|
3
|
0
|
1
|
0
|
4
|
|
May
|
0
|
0
|
2
|
0
|
2
|
|
June
|
0
|
0
|
1
|
0
|
1
|
|
Quarter 3
|
July
|
1
|
0
|
1
|
0
|
2
|
|
August
|
1
|
0
|
3
|
0
|
4
|
|
September
|
0
|
0
|
1
|
0
|
1
|
|
Quarter 4
|
October
|
0
|
0
|
0
|
0
|
0
|
|
November
|
4
|
0
|
2
|
0
|
6
|
|
December
|
4
|
0
|
5
|
0
|
9
|
|
Year 2023
|
Quarter 1
|
January
|
2
|
0
|
1
|
0
|
3
|
|
February
|
4
|
0
|
3
|
0
|
7
|
|
March
|
3
|
0
|
6
|
0
|
9
|
|
Quarter 2
|
April
|
2
|
0
|
1
|
0
|
3
|
|
May
|
1
|
0
|
3
|
0
|
4
|
|
June
|
2
|
0
|
2
|
0
|
4
|
|
Quarter 3
|
July
|
2
|
0
|
1
|
0
|
3
|
|
August
|
3
|
0
|
2
|
0
|
5
|
|
September
|
2
|
0
|
7
|
0
|
9
|
|
Quarter 4
|
October
|
3
|
0
|
4
|
0
|
7
|
|
November
|
6
|
0
|
4
|
0
|
10
|
|
December
|
4
|
0
|
1
|
0
|
5
|
|
Year 2024
|
Quarter 1
|
January
|
0
|
0
|
1
|
0
|
1
|
|
February
|
2
|
0
|
1
|
0
|
3
|
|
March
|
0
|
0
|
1
|
0
|
1
|
|
Quarter 2
|
April
|
7
|
0
|
10
|
0
|
17
|
|
May
|
6
|
0
|
9
|
0
|
15
|
|
June
|
0
|
0
|
0
|
0
|
0
|
|
Total
|
466
|
0
|
295
|
0
|
761
|
