Ряды Фурье Определение. Тригонометрическим рядом

i	x	y		i	x	y		i	x
y
14				18				22
0	-2.9	84.0370		0	0.2	10.9361		0	3.2	-13.4719
1	-2.8	68.8241		1	0.3	12.7296		1	3.3	-14.6544
2	-2.7	55.2336		2	0.4	14.3601		2	3.4	-15.4959
3	-2.6	43.1361		3	0.5	15.8096		3	3.5	-15.9424
4	-2.5	32.4416		4	0.6	17.0625		4	3.6	-15.9375
5	-2.4	23.0625		5	0.7	18.1056		5	3.7	-15.4224
6	-2.3	14.9136		6	0.8	18.9281		6	3.8	-14.3359
7	-2.2	7.9121		7	0.9	19.5216		7	3.9	-12.6144
15				19				23
0	-2.1	1.9776		0	1.0	19.8801		0	4.0	-10.1919
1	-2.0	-2.9679		1	1.1	20.0370		1	4.1	-6.9630
2	-1.9	-6.9630		2	1.2	19.8801		2	4.2	-2.9679
3	-1.8	-10.1919		3	1.3	19.5216		3	4.3	1.9776
4	-1.7	-12.6144		4	1.4	18.9281		4	4.4	7.9121
5	-1.6	-14.3359		5	1.5	18.1056		5	4.5	14.9136
6	-1.5	-15.4224		6	1.6	17.0625		6	4.6	23.0625
7	-1.4	-15.9375		7	1.7	15.8096		7	4.7	32.4416
16				20				24
0	-1.3	-15.9424		0	1.8	14.3601		0	4.8	43.1361
1	-1.2	-15.4959		1	1.9	12.7296		1	4.9	55.2336
2	-1.1	-14.6544		2	2.0	10.9361		2	5.0	68.8241
3	-1.0	-13.4719		3	2.1	9.0370		3	5.1	84.0370
4	-0.9	-11.9630		4	2.2	6.9441		4	5.2	100.8561
5	-0.8	-10.2879		5	2.3	4.7936		5	5.3	119.4897
6	-0.7	-8.3824		6	2.4	2.5761		6	5.4	140.0001
7	-0.6	-6.3279		7	2.5	0.3216		7	5.5	162.4896
17				21				25
0	-0.5	-4.1664		0	2.6	-1.9375		0	5.4	140.0001
1	-0.4	-1.9375		1	2.7	-4.1664		1	5.5	162.4896
2	-0.3	0.3216		2	2.8	-6.3279		2	5.6	187.0625
3	-0.2	2.5761		3	2.9	-8.3824		3	5.7	213.8256
4	-0.1	4.7936		4	3.0	-10.2879		4	5.8	242.8882
5	0.0	6.9441		5	3.1	-11.9630		5	5.9	274.3617
6	0.1	9.0370		6	3.2	-13.4719		6	6.0	308.3601
7	0.2	10.9361		7	3.3	-14.6544		7	6.1	345.0370

i	x	y		i	x	y		i	x	y
26				29				32
0	-2.8	84.0370		0	0.3	10.9361		0	3.3	-13.4719
1	-2.7	68.8241		1	0.4	12.7296		1	3.4	-14.6544
2	-2.6	55.2336		2	0.5	14.3601		2	3.5	-15.4959
3	-2.5	43.1361		3	0.6	15.8096		3	3.6	-15.9424
4	-2.4	32.4416		4	0.7	17.0625		4	3.7	-15.9375
5	-2.3	23.0625		5	0.8	18.1056		5	3.8	-15.4224
6	-2.2	14.9136		6	0.9	18.9281		6	3.9	-14.3359
7	-2.1	7.9121		7	1.0	19.5216		7	4.0	-12.6144
27				30				33
0	-2.0	1.9776		0	1.1	19.8801		0	4.1	-10.1919
1	-1.9	-2.9679		1	1.2	20.0370		1	4.2	-6.9630
2	-1.8	-6.9630		2	1.3	19.8801		2	4.3	-2.9679
3	-1.7	-10.1919		3	1.4	19.5216		3	4.4	1.9776
4	-1.6	-12.6144		4	1.5	18.9281		4	4.5	7.9121
5	-1.5	-14.3359		5	1.6	18.1056		5	4.6	14.9136
6	-1.4	-15.4224		6	1.7	17.0625		6	4.7	23.0625
7	-1.3	-15.9375		7	1.8	15.8096		7	4.8	32.4416
28				31				34
0	-1.2	-15.9424		0	1.9	14.3601		0	4.9	43.1361
1	-1.1	-15.4959		1	2.0	12.7296		1	5.0	55.2336
2	-1.0	-14.6544		2	2.1	10.9361		2	5.1	68.8241
3	-0.9	-13.4719		3	2.2	9.0370		3	5.2	84.0370
4	-0.8	-11.9630		4	2.3	6.9441		4	5.3	100.8561
5	-0.7	-10.2879		5	2.4	4.7936		5	5.4	119.4897
6	-0.6	-8.3824		6	2.5	2.5761		6	5.5	140.0001
7	-0.5	-6.3279		7	2.6	0.3216		7	5.6	162.4896