до 4 пункта решённая общая задача

ТЕМА1/zadaca1.md

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+## пункт 1
+```matlab
+>> MM = 10+8*randn(5, 7)
+MM =
+
+ Columns 1 through 6:
+
+   1.5004e+01  -1.0272e+00   1.1281e+01   2.8744e+00  -8.6846e+00   1.7823e+01
+   1.7862e+01   2.0515e+01   2.1456e+01  -2.0221e+00   3.2374e+00   1.2947e+01
+   1.5801e+01   2.7871e+00   1.6788e+01  -1.3551e-01   9.3571e+00   1.0505e+01
+   5.6497e+00   4.1868e+00   9.5864e+00   7.3264e+00   7.5227e-01   9.7968e+00
+   8.2894e+00   3.7595e+00   7.8255e+00   3.1490e+01  -7.1647e+00   3.4503e-02
+
+ Column 7:
+
+   2.2093e+00
+   1.1331e+01
+   6.8181e+00
+   2.2822e+01
+   1.4439e+01
+```
+
+## пункт 2
+```matlab
+>> SR = mean(MM(:))
+SR = 8.7292
+```
+## пункт 3
+```matlab
+>> lower_bound = SR-8
+lower_bound = 0.7292
+>> upper_bound = SR+8
+upper_bound = 16.729
+>> MM(MM<lower_bound) = lower_bound
+MM =
+
+   15.0040    0.7292   11.2805    2.8744    0.7292   17.8226    2.2093
+   17.8623   20.5147   21.4563    0.7292    3.2374   12.9473   11.3309
+   15.8013    2.7871   16.7882    0.7292    9.3571   10.5052    6.8181
+    5.6497    4.1868    9.5864    7.3264    0.7523    9.7968   22.8218
+    8.2894    3.7595    7.8255   31.4901    0.7292    0.7292   14.4392
+
+
+>> MM(MM>upper_bound) = upper_bound
+MM =
+
+   15.0040    0.7292   11.2805    2.8744    0.7292   16.7292    2.2093
+   16.7292   16.7292   16.7292    0.7292    3.2374   12.9473   11.3309
+   15.8013    2.7871   16.7292    0.7292    9.3571   10.5052    6.8181
+    5.6497    4.1868    9.5864    7.3264    0.7523    9.7968   16.7292
+    8.2894    3.7595    7.8255   16.7292    0.7292    0.7292   14.4392
+```
+
+## пункт 4