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16 |
16 |
17 .. Author : Nishanth Amuluru |
17 .. Author : Nishanth Amuluru |
18 Internal Reviewer : |
18 Internal Reviewer : |
19 External Reviewer : |
19 External Reviewer : |
20 Checklist OK? : <put date stamp here, if OK> [2010-10-05] |
20 Checklist OK? : <put date stamp here, if OK> [2010-10-05] |
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21 |
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22 |
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23 .. #[Puneeth: Add pre-requisites.] |
21 |
24 |
22 Script |
25 Script |
23 ------ |
26 ------ |
24 |
27 |
25 Hello friends and welcome to the tutorial on Least Square Fit |
28 Hello friends and welcome to the tutorial on Least Square Fit |
41 pendulum and the second is the corresponding time period of the pendulum. |
44 pendulum and the second is the corresponding time period of the pendulum. |
42 |
45 |
43 As we know, the square of time period of a pendulum is directly proportional to |
46 As we know, the square of time period of a pendulum is directly proportional to |
44 its length, we shall plot l vs t^2 and verify this. |
47 its length, we shall plot l vs t^2 and verify this. |
45 |
48 |
46 #[Puneeth:] removed the explanation about loadtxt and unpack |
49 .. #[Puneeth:] removed the explanation about loadtxt and unpack |
47 option. It's been done in another LO already. simple dependency |
50 .. option. It's been done in another LO already. simple dependency |
48 should work? |
51 .. should work? |
49 |
52 |
50 To read the input file and parse the data, we are going to use the |
53 To read the input file and parse the data, we are going to use the |
51 loadtxt function. Type |
54 loadtxt function. Type |
52 :: |
55 :: |
53 |
56 |
64 tsq = t * t |
67 tsq = t * t |
65 plot(l, tsq, 'bo') |
68 plot(l, tsq, 'bo') |
66 |
69 |
67 {{{ switch to the plot window }}} |
70 {{{ switch to the plot window }}} |
68 |
71 |
69 #[Puneeth:] Moved explanation of least square fit here. seems more |
72 .. #[Puneeth:] Moved explanation of least square fit here. seems more |
70 apt. |
73 .. apt. |
71 |
74 |
72 We can see that there is a visible linear trend, but we do not get a |
75 We can see that there is a visible linear trend, but we do not get a |
73 straight line connecting them. We shall, therefore, generate a least |
76 straight line connecting them. We shall, therefore, generate a least |
74 square fit line. |
77 square fit line. |
75 |
78 |
130 |
133 |
131 * how to generate a least square fit |
134 * how to generate a least square fit |
132 |
135 |
133 {{{ Show the "sponsored by FOSSEE" slide }}} |
136 {{{ Show the "sponsored by FOSSEE" slide }}} |
134 |
137 |
135 #[Nishanth]: Will add this line after all of us fix on one. |
138 .. #[Nishanth]: Will add this line after all of us fix on one. |
136 This tutorial was created as a part of FOSSEE project, NME ICT, MHRD India |
139 .. This tutorial was created as a part of FOSSEE project, NME ICT, MHRD India |
137 |
140 |
138 Hope you have enjoyed and found it useful. |
141 Hope you have enjoyed and found it useful. |
139 Thank you |
142 Thank you |
140 |
143 |
141 |
144 |
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145 .. |
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146 Local Variables: |
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147 mode: rst |
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148 indent-tabs-mode: nil |
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149 sentence-end-double-space: nil |
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150 fill-column: 75 |
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151 End: |