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These are the user uploaded subtitles that are being translated: 1 00:00:11,440 --> 00:00:18,480 Everyone and welcome in this new with you in this video, we're going to see the run them modular off 2 00:00:18,480 --> 00:00:20,220 the Nampai library. 3 00:00:21,900 --> 00:00:24,000 Run them is very important. 4 00:00:24,180 --> 00:00:30,630 When we walk in finance because a lot of things follow, run them process. 5 00:00:31,320 --> 00:00:41,580 So it is very important to understand how to simulate some random number to walk in finance. 6 00:00:44,130 --> 00:00:54,060 So let's begin by creating a random array, a one dimensional random array containing random value between 7 00:00:54,150 --> 00:00:55,320 zero and one. 8 00:00:57,060 --> 00:01:09,150 To do it, we need the library, then buy the module random and the function rent. 9 00:01:10,230 --> 00:01:17,490 And here we put the number of one, the value that we want in one dimensional. 10 00:01:17,520 --> 00:01:17,880 All right. 11 00:01:21,900 --> 00:01:36,310 And now we have random value created by Nampai, but sometimes we want, for example, a two dimensional 12 00:01:36,450 --> 00:01:46,500 array and it is necessary to transform a one dimensional way to a two dimensional. 13 00:01:46,540 --> 00:01:46,860 All right. 14 00:01:47,040 --> 00:01:53,010 So I will show you quickly how to do it because it is very important to note. 15 00:02:00,680 --> 00:02:06,350 I just print the shape, the actual shape of all. 16 00:02:09,070 --> 00:02:17,900 All right, then I will reshape it to reshape a one dimensional army in a two dimensional. 17 00:02:18,010 --> 00:02:18,250 Right? 18 00:02:18,580 --> 00:02:28,690 We just need to put an artificial column, so instead of being a number with a shape. 19 00:02:29,860 --> 00:02:35,720 Six, for example, it will be a number with a hair shape. 20 00:02:36,100 --> 00:02:39,160 Six rows and one column. 21 00:02:40,000 --> 00:02:45,910 So to do it to just had artificially this column. 22 00:02:46,900 --> 00:02:55,240 We are going to reshape this, all right, by putting minus one and one. 23 00:02:57,010 --> 00:02:58,660 And now if? 24 00:03:05,840 --> 00:03:06,260 I. 25 00:03:08,380 --> 00:03:10,480 Print again, the shape 26 00:03:14,710 --> 00:03:23,380 we can see that we have transformed our one dimensional right into a two dimensional RNA and decentralisation 27 00:03:23,500 --> 00:03:27,730 change anything in the venue of the. 28 00:03:28,270 --> 00:03:32,290 So it is very important to understand it to. 29 00:03:35,990 --> 00:03:42,260 Then sometimes we want to create a new tinker to run them the value. 30 00:03:42,320 --> 00:03:47,240 So to do it, we need to use. 31 00:03:51,690 --> 00:03:56,920 The hammering them by them, would you run them and the function runs beneath? 32 00:03:57,690 --> 00:04:04,700 So I want, for example, integral value between zero and 100. 33 00:04:04,710 --> 00:04:10,170 So I put 100 and I need to put the site. 34 00:04:10,190 --> 00:04:19,830 So if I want a matrix with five rows and five columns, I put a size of five five. 35 00:04:28,070 --> 00:04:38,900 Then we are going to see how to simulate value from one of the best known and the best famous law of 36 00:04:38,900 --> 00:04:49,430 probability in finance, which is the normal law, so to do it, we're going to use the random module 37 00:04:49,430 --> 00:04:52,340 again and the normal function. 38 00:04:54,470 --> 00:05:02,810 So we need to put the lock, which is the mean of the law. 39 00:05:03,380 --> 00:05:13,370 Then this column, which is the standard deviation of this law and we need to put the size. 40 00:05:14,120 --> 00:05:21,140 For example, if I want to create a one dimensional array, I put a size of six comma nothing. 41 00:05:25,550 --> 00:05:32,630 And if I want a two dimensional art, for example, I can do, ladies. 42 00:05:32,720 --> 00:05:36,440 Just put a number for the number of columns. 43 00:05:39,080 --> 00:05:47,030 Then let me show you a very important thing when we walk with random, when we work with random number. 44 00:05:48,440 --> 00:05:56,840 If I run again this cell, I have always another set of number. 45 00:05:58,070 --> 00:06:01,880 But sometimes if, for example, we want 46 00:06:06,530 --> 00:06:10,550 to, I don't know, share a little code or something else. 47 00:06:10,850 --> 00:06:15,980 And you have to write, for example, or we with Frizzled, et cetera. 48 00:06:17,390 --> 00:06:29,240 We need to set the scene to always have the same random number because if someone else want to verify 49 00:06:29,240 --> 00:06:34,040 something in your code, it will have always. 50 00:06:36,110 --> 00:06:43,010 No, so it will be very difficult to fix an issue, for example. 51 00:06:43,790 --> 00:06:52,250 So sometimes you need to fix the seat of the sheets, so. 52 00:06:58,180 --> 00:07:03,760 I just show you that with the same function, we have different results. 53 00:07:05,080 --> 00:07:10,000 So now I will set the scene to. 54 00:07:17,260 --> 00:07:29,410 And if and now we can see that all the time that we put there said it, all the number are the same. 55 00:07:29,440 --> 00:07:39,460 So it is very important to understand because when you find some code on GitHub to create your own project, 56 00:07:39,490 --> 00:07:48,930 et cetera, you will need to understand the code of their overall program. 57 00:07:49,090 --> 00:07:58,060 So it will be very helpful to understand this function because must of containing it. 5714

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