RoznatovskyTA/chpok_i_gotovoo
1
0
Форкнуть 0
ответвлено от main/it-labs
Код Задачи Запросы на слияние Пакеты Проекты Релизы Вики Активность

ff

Просмотр исходного кода
Этот коммит содержится в:
RoznatovskyTA
2026-02-12 10:48:56 +03:00
родитель cb5827be86
Коммит a343fa4156
1 изменённых файлов: 175 добавлений и 178 удалений
Скачать Patch файл Скачать Diff файл Показать все файлы Свернуть все файлы

353
ТЕМА1/xbr.md
Просмотреть файл

@@ -22,7 +22,10 @@
## 6 Создание матриц и векторов
> > A=randn(4,6)
Исходные данные:
```matlab
>> A=randn(4,6)
A =
@@ -31,7 +34,7 @@ A =
9.6584e-01 1.1820e-02 9.7399e-04 3.8644e-01 5.9332e-01 5.3177e-01
2.7445e-01 3.2268e-01 9.2290e-01 2.3156e-01 7.1104e-01 9.2437e-01
> > B=rand(4,7)
>> B=rand(4,7)
B =
@@ -40,38 +43,36 @@ B =
0.410006 0.762842 0.306572 0.292280 0.359641 0.948953 0.884154
0.868862 0.463408 0.703305 0.750799 0.551636 0.202557 0.828586
> > C = 4:27
> > C =
>> C = 4:27
>> C =
Columns 1 through 23:
4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26
>> H='This is a symbols vector'
>>H = This is a symbols vector
> > H='This is a symbols vector'
>> warning('off','all')
> >H = This is a symbols vector
> > warning('off','all')
> > L=[-2+23.1j, 3-5.6j]
> > L =
>> L=[-2+23.1j, 3-5.6j]
>> L =
-2.0000 + 23.1000i 3.0000 - 5.6000i
## 7 Преобразования матриц
> > D=reshape(C,[],6)
> > D =
>> D=reshape(C,[],6)
>> D =
4 8 12 16 20 24
5 9 13 17 21 25
6 10 14 18 22 26
7 11 15 19 23 27
> > E=B'\*A
> > E =
>> E=B'\*A
>> E =
0.6997 0.4237 1.1601 0.7597 1.1332 1.4113
0.9307 0.3669 1.1831 1.2274 1.2913 1.6198
@@ -81,8 +82,8 @@ Columns 1 through 23:
1.4645 0.7394 0.6580 1.0443 1.4357 1.4166
1.6429 1.0432 1.3568 1.3118 1.9774 2.1175
> > F=[A,B]
> > F =
>> F=[A,B]
>> F =
Columns 1 through 9:
@@ -98,40 +99,40 @@ Columns 10 through 13:
2.9228e-01 3.5964e-01 9.4895e-01 8.8415e-01
7.5080e-01 5.5164e-01 2.0256e-01 8.2859e-01
> > G=A.\*D\
> > G =
>> G=A.\*D
>> G =
2.5484e+00 6.2745e+00 2.1630e+00 5.7259e+00 1.3770e+01 1.2286e+01
1.5791e-01 1.4997e+00 9.8011e+00 1.3861e+01 1.0010e+01 1.9166e+01
5.7950e+00 1.1820e-01 1.3636e-02 6.9558e+00 1.3053e+01 1.3826e+01
1.9212e+00 3.5495e+00 1.3843e+01 4.3996e+00 1.6354e+01 2.4958e+01
> > M=G./4.5
> > M =
>> M=G./4.5
>> M =
5.6632e-01 1.3943e+00 4.8068e-01 1.2724e+00 3.0601e+00 2.7302e+00
3.5090e-02 3.3327e-01 2.1780e+00 3.0802e+00 2.2244e+00 4.2591e+00
1.2878e+00 2.6267e-02 3.0302e-03 1.5457e+00 2.9007e+00 3.0725e+00
4.2692e-01 7.8878e-01 3.0763e+00 9.7769e-01 3.6342e+00 5.5462e+00
> > DDD=D.^3
> > DDD =
>> DDD=D.^3
>> DDD =
64 512 1728 4096 8000 13824
125 729 2197 4913 9261 15625
216 1000 2744 5832 10648 17576
343 1331 3375 6859 12167 19683
> > DL=D>=20
> > DL =
>> DL=D>=20
>> DL =
0 0 0 0 1 1
0 0 0 0 1 1
0 0 0 0 1 1
0 0 0 0 1 1
> > Dstolb=D(:)
> > Dstolb =
>> Dstolb=D(:)
>> Dstolb =
4
5
@@ -139,63 +140,64 @@ Columns 10 through 13:
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
## 8 Изучение стандартных математических функций и операций с матрицами
> > B1=sqrt(B)
> > B1 =
>> B1=sqrt(B)
>> B1 =
0.2825 0.2363 0.8641 0.9741 0.2566 0.8665 0.9234
0.6750 0.9938 0.6784 0.5152 0.3378 0.6663 0.7618
0.6403 0.8734 0.5537 0.5406 0.5997 0.9741 0.9403
0.9321 0.6807 0.8386 0.8665 0.7427 0.4501 0.9103
> > B2=log(B)
> > B2 =
>> B2=log(B)
>> B2 =
-2.528476 -2.885283 -0.292191 -0.052406 -2.720500 -0.286597 -0.159455
-0.786122 -0.012399 -0.775947 -1.326552 -2.170677 -0.811909 -0.544121
-0.891583 -0.270705 -1.182302 -1.230042 -1.022648 -0.052396 -0.123124
-0.140571 -0.769148 -0.351965 -0.286617 -0.594866 -1.596733 -0.188035
> > B3=sin(B)
> > B3 =
>> B3=sin(B)
>> B3 =
0.079696 0.055810 0.679166 0.812801 0.065794 0.682234 0.752999
0.440009 0.834749 0.444188 0.262286 0.113853 0.429564 0.548318
0.398615 0.690978 0.301792 0.288137 0.351938 0.812806 0.773379
0.763595 0.446999 0.646742 0.682223 0.524082 0.201175 0.736976
> > k=length(B1)
> > k = 7
> > nm=size(B1)
> > nm =
>> k=length(B1)
>> k = 7
>> nm=size(B1)
>> nm =
4 7
> > elem=numel(B1)
> > elem = 28
> > NN=linspace(11.5,34.1,20)
> > NN =
>> elem=numel(B1)
>> elem = 28
>> NN=linspace(11.5,34.1,20)
>> NN =
Columns 1 through 13:
@@ -205,14 +207,14 @@ Columns 14 through 20:
26.963 28.153 29.342 30.532 31.721 32.911 34.100
> > FF=ones(2,4)
> > FF =
>> FF=ones(2,4)
>> FF =
1 1 1 1
1 1 1 1
> > GG=zeros(5)
> > GG =
>> GG=zeros(5)
>> GG =
0 0 0 0 0
0 0 0 0 0
@@ -220,16 +222,16 @@ Columns 14 through 20:
0 0 0 0 0
0 0 0 0 0
> > B1D=diag(B1)
> > B1D =
>> B1D=diag(B1)
>> B1D =
0.2825
0.9938
0.5537
0.8665
> > DB=diag(B1D)
> > DB =
>> DB=diag(B1D)
>> DB =
Diagonal Matrix
@@ -238,45 +240,45 @@ Diagonal Matrix
0 0 0.5537 0
0 0 0 0.8665
> > BS1=sort(B)
> > BS1 =
>> BS1=sort(B)
>> BS1 =
0.079781 0.055839 0.306572 0.265391 0.065842 0.202557 0.580352
0.410006 0.463408 0.460268 0.292280 0.114100 0.444009 0.828586
0.455608 0.762842 0.703305 0.750799 0.359641 0.750814 0.852608
0.868862 0.987677 0.746626 0.948944 0.551636 0.948953 0.884154
> > BS2=sortrows(B,2)
> > BS2 =
>> BS2=sortrows(B,2)
>> BS2 =
0.079781 0.055839 0.746626 0.948944 0.065842 0.750814 0.852608
0.868862 0.463408 0.703305 0.750799 0.551636 0.202557 0.828586
0.410006 0.762842 0.306572 0.292280 0.359641 0.948953 0.884154
0.455608 0.987677 0.460268 0.265391 0.114100 0.444009 0.580352
> > DS1=sum(D)
> > DS1 =
>> DS1=sum(D)
>> DS1 =
22 38 54 70 86 102
> > DS2=sum(D,2)
> > DS2 =
>> DS2=sum(D,2)
>> DS2 =
84
90
96
102
102
> > DP1=prod(D)
> > DP1 =
>> DP1=prod(D)
>> DP1 =
840 7920 32760 93024 212520 421200
> > dt=det(A*A')
> > dt = 0.5612
> > dinv=inv(A*A')
> > dinv =
>> dt=det(A*A')
>> dt = 0.5612
>> dinv=inv(A*A')
>> dinv =
2.065633 0.179331 -1.155947 -0.930132
0.179331 2.239819 -0.101288 -1.894903
@@ -285,91 +287,96 @@ Diagonal Matrix
## 9 Изучение индексации в матрицах
> > D1=D(3,5)
> > D1 = 22
> > D2=D(3,4:end)
> > D2 =
>> D1=D(3,5)
>> D1 = 22
>> D2=D(3,4:end)
>> D2 =
18 22 26
> > D3=D(2:3,3:5)
> > D3 =
>> D3=D(2:3,3:5)
>> D3 =
13 17 21
14 18 22
> > D4=D(16:20)
> > D4 =
>> D4=D(16:20)
>> D4 =
19 20 21 22 23
> > D5=D(3:4,[1,3,6])
> > D5 =
>> D5=D(3:4,[1,3,6])
>> D5 =
6 14 26
7 15 27
## 10 Изучение управляющих конструкций
> > Dsum=0
> > Dsum = 0
> > for i=1:6
> > Dsum=Dsum+sqrt(D(2,i))
> > endfor
> > Dsum = 2.2361
> > Dsum = 5.2361
> > Dsum = 8.8416
> > Dsum = 12.965
> > Dsum = 17.547
> > Dsum = 22.547
> > Dsum2=0;i=1
> > i = 1
> > while (D(i)<22)
> > Dsum2=Dsum2+sin(D(i))
> > i=i+1
> > endwhile
> > Dsum2 = -0.7568
> > i = 2
> > Dsum2 = -1.7157
> > i = 3
> > Dsum2 = -1.9951
> > i = 4
> > Dsum2 = -1.3382
> > i = 5
> > Dsum2 = -0.3488
> > i = 6
> > Dsum2 = 0.063321
> > i = 7
> > Dsum2 = -0.4807
> > i = 8
> > Dsum2 = -1.4807
> > i = 9
> > Dsum2 = -2.0173
> > i = 10
> > Dsum2 = -1.5971
> > i = 11
> > Dsum2 = -0.6065
> > i = 12
> > Dsum2 = 0.043799
> > i = 13
> > Dsum2 = -0.2441
> > i = 14
> > Dsum2 = -1.2055
> > i = 15
> > Dsum2 = -1.9565
> > i = 16
> > Dsum2 = -1.8066
> > i = 17
> > Dsum2 = -0.8937
> > i = 18
> > Dsum2 = -0.057011
> > i = 19
> > if (D(3,5)>=20)
> > printf('D(3,5)>=20')
> > else
> > printf('D(3,5)<20')
> > endif
> > D(3,5)>=20>>
>> Dsum=0
>> Dsum = 0
>> for i=1:6
>> Dsum=Dsum+sqrt(D(2,i))
>> endfor
>> Dsum = 2.2361
>> Dsum = 5.2361
>> Dsum = 8.8416
>> Dsum = 12.965
>> Dsum = 17.547
>> Dsum = 22.547
>> Dsum2=0;
>> i=1
>> i = 1
>> while (D(i)<22)
>> Dsum2=Dsum2+sin(D(i))
>> i=i+1
>> endwhile
>> Dsum2 = -0.7568
>> i = 2
>> Dsum2 = -1.7157
>> i = 3
>> Dsum2 = -1.9951
>> i = 4
>> Dsum2 = -1.3382
>> i = 5
>> Dsum2 = -0.3488
>> i = 6
>> Dsum2 = 0.063321
>> i = 7
>> Dsum2 = -0.4807
>> i = 8
>> Dsum2 = -1.4807
>> i = 9
>> Dsum2 = -2.0173
>> i = 10
>> Dsum2 = -1.5971
>> i = 11
>> Dsum2 = -0.6065
>> i = 12
>> Dsum2 = 0.043799
>> i = 13
>> Dsum2 = -0.2441
>> i = 14
>> Dsum2 = -1.2055
>> i = 15
>> Dsum2 = -1.9565
>> i = 16
>> Dsum2 = -1.8066
>> i = 17
>> Dsum2 = -0.8937
>> i = 18
>> Dsum2 = -0.057011
>> i = 19
>> if (D(3,5)>=20)
>> printf('D(3,5)>=20')
>> else
>> printf('D(3,5)<20')
>> endif
>> D(3,5)>=20>>
## 11 Изучение графических функций и их вывод
@@ -390,53 +397,43 @@ bar(C)
## 12 Изучение текстового редактора и добавление программы
> > Prog1
>> Prog1
D1 = 22
D2 =
&nbsp; 18 22 26
18 22 26
D3 =
&nbsp; 13 17 21
&nbsp; 14 18 22
13 17 21
14 18 22
D4 =
&nbsp; 19 20 21 22 23
19 20 21 22 23
D5 =
6 14 26
7 15 27
&nbsp; 6 14 26
&nbsp; 7 15 27
> > Prog1
>> Prog1
D1 = 22
D2 =
&nbsp; 18 22 26
18 22 26
D3 =
&nbsp; 13 17 21
&nbsp; 14 18 22
13 17 21
14 18 22
D4 =
&nbsp; 19 20 21 22 23
19 20 21 22 23
D5 =
&nbsp; 6 14 26
&nbsp; 7 15 27
> >
6 14 26
7 15 27
## 13 Сохранение и загрузка области переменных
![](perem_function.png)
```