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read part of a .txt file
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I have the attached .txt file. I would like to read only the lines where the number from 1 to 200 is included.
Each row should be divided into 7 columns: iter | continuity | x-velocity | y-velocity | z-velocity | time | iter.
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/1756544/image.png)
Respuesta aceptada
Voss
el 20 de Ag. de 2024 a las 18:24
filename = 'file.txt';
str = readlines(filename);
C = arrayfun(@(s)sscanf(s,'%f %f %f %f %f %d:%d:%d %f'),str,'UniformOutput',false);
C(cellfun(@isempty,C)) = [];
M = [C{:}].';
time = duration(M(:,6:8));
M(:,6:8) = [];
names = strsplit(str(1),{' ','/'});
names(strcmp(names,"")) = [];
names{end} = [names{end} '_remaining'];
T = array2table(M,'VariableNames',names([1:end-2 end]));
T = addvars(T,time,'After',names{end-2})
Más respuestas (1)
Voss
el 20 de Ag. de 2024 a las 18:23
filename = 'file.txt';
T = readtable(filename,'CommentStyle','R','NumHeaderLines',0,'VariableNamingRule','preserve');
T(all(isnan(T{:,:}),2),:) = [];
T.Properties.VariableNames([6 7]) = {'time','iter_remaining'};
disp(T)
iter continuity x-velocity y-velocity z-velocity time iter_remaining
____ __________ __________ __________ __________ ________ ______________
1 1 0.031087 0.05887 0.23416 00:39:48 199
2 0.43061 0.067927 0.12479 0.54336 00:35:38 198
3 0.18418 0.03545 0.05073 0.17127 00:32:18 197
4 0.17966 0.040429 0.058652 0.23452 00:29:38 196
5 0.16793 0.073768 0.090026 0.30663 00:26:11 195
6 0.13914 0.060295 0.069152 0.21426 00:24:05 194
7 0.14278 0.030375 0.034038 0.10929 00:23:01 193
8 0.099285 0.015474 0.018109 0.059613 00:21:31 192
9 0.079912 0.0078596 0.0095243 0.03249 00:20:19 191
10 0.052335 0.0051009 0.0060121 0.02016 00:19:20 190
11 0.039113 0.0027787 0.0033443 0.011593 00:19:10 189
12 0.026734 0.0024569 0.0028624 0.0092901 00:19:01 188
13 0.018456 0.0018653 0.002251 0.0067603 00:18:15 187
14 0.013085 0.0013615 0.0016217 0.0050884 00:18:14 186
15 0.0092158 0.00099823 0.0011905 0.0038379 00:16:59 185
16 0.0065331 0.00072516 0.00085892 0.0028239 00:16:35 184
17 0.0046371 0.00051631 0.00061075 0.0020341 00:16:51 183
18 0.0032128 0.00037676 0.00044936 0.0014998 00:15:50 182
19 0.0021458 0.00026463 0.00032018 0.0010666 00:16:13 181
20 0.0014188 0.00019936 0.00024452 0.0007886 00:15:54 180
21 0.00097407 0.00015474 0.00019254 0.00059831 00:15:38 179
22 0.00069554 0.00012646 0.00015869 0.00046624 00:15:24 178
23 0.00052069 0.00010429 0.00013118 0.00036589 00:15:12 177
24 0.00040411 8.7449e-05 0.00011026 0.0002938 00:15:02 176
25 0.00032564 7.6454e-05 9.6124e-05 0.00024236 00:14:52 175
26 0.00027088 6.7773e-05 8.4617e-05 0.00020239 00:14:44 174
27 0.00023079 6.0455e-05 7.5079e-05 0.00017043 00:14:36 173
28 0.00020185 5.5188e-05 6.7724e-05 0.00014498 00:14:29 172
29 0.00018225 5.189e-05 6.2583e-05 0.00012465 00:14:22 171
30 0.00016592 4.8861e-05 5.7741e-05 0.00010726 00:14:15 170
31 0.00015375 4.5861e-05 5.3322e-05 9.3153e-05 00:13:36 169
32 0.00014387 4.3362e-05 4.9977e-05 8.1007e-05 00:14:10 168
33 0.00013838 4.2538e-05 4.7716e-05 7.1491e-05 00:14:03 167
34 0.00013096 3.9989e-05 4.4447e-05 6.3107e-05 00:13:56 166
35 0.00012686 3.9223e-05 4.2906e-05 5.6236e-05 00:13:50 165
36 0.00012462 3.9436e-05 4.2323e-05 5.1158e-05 00:13:44 164
37 0.00011856 3.6437e-05 3.9055e-05 4.5568e-05 00:13:38 163
38 0.00011404 3.3787e-05 3.5785e-05 4.0604e-05 00:13:33 162
39 0.00011546 3.559e-05 3.7148e-05 3.8433e-05 00:13:27 161
40 0.00011323 3.5275e-05 3.6669e-05 3.5497e-05 00:13:22 160
41 0.00010896 3.3148e-05 3.422e-05 3.2485e-05 00:13:16 159
42 0.00010623 3.0292e-05 3.1121e-05 2.9157e-05 00:13:11 158
43 0.00010607 2.9316e-05 3.0326e-05 2.724e-05 00:13:06 157
44 9.7147e-05 2.3153e-05 2.392e-05 2.2227e-05 00:13:01 156
45 9.5748e-05 2.1038e-05 2.1335e-05 1.9527e-05 00:12:56 155
46 9.3478e-05 1.739e-05 1.7616e-05 1.6232e-05 00:13:21 154
47 9.3567e-05 1.621e-05 1.6625e-05 1.4684e-05 00:12:39 153
48 9.1671e-05 1.3723e-05 1.4092e-05 1.2574e-05 00:12:35 152
49 9.2228e-05 1.3645e-05 1.3824e-05 1.1935e-05 00:12:01 151
50 9.1441e-05 1.2725e-05 1.2891e-05 1.101e-05 00:12:03 150
51 9.2009e-05 1.4642e-05 1.4828e-05 1.2302e-05 00:11:04 149
52 9.0639e-05 1.3259e-05 1.3562e-05 1.1119e-05 00:11:16 148
53 8.9613e-05 1.0761e-05 1.1014e-05 9.0444e-06 00:10:25 147
54 8.9522e-05 8.9647e-06 9.2721e-06 7.5669e-06 00:10:43 146
55 8.9665e-05 8.1047e-06 8.3243e-06 6.7538e-06 00:10:27 145
56 8.9717e-05 7.7056e-06 7.9034e-06 6.2958e-06 00:10:13 144
57 8.9974e-05 7.9733e-06 8.0891e-06 6.3307e-06 00:10:01 143
58 9.2301e-05 1.4558e-05 1.4726e-05 1.1364e-05 00:09:51 142
59 8.9937e-05 1.2781e-05 1.3097e-05 9.9636e-06 00:09:43 141
60 8.8979e-05 1.0173e-05 1.0353e-05 7.9879e-06 00:09:35 140
61 8.8953e-05 8.4066e-06 8.5385e-06 6.5718e-06 00:09:56 139
62 8.9209e-05 7.6248e-06 7.7266e-06 5.8666e-06 00:09:43 138
63 8.9685e-05 7.9899e-06 8.042e-06 6.0322e-06 00:09:33 137
64 8.9484e-05 7.9082e-06 7.9398e-06 5.9536e-06 00:09:24 136
65 8.9191e-05 7.3696e-06 7.4418e-06 5.5597e-06 00:09:16 135
66 8.9196e-05 7.1435e-06 7.2106e-06 5.3476e-06 00:09:08 134
67 8.9155e-05 6.9211e-06 7.0093e-06 5.185e-06 00:09:02 133
68 8.9179e-05 6.9261e-06 6.9964e-06 5.1957e-06 00:08:56 132
69 8.9037e-05 6.6792e-06 6.7507e-06 4.9911e-06 00:08:50 131
70 8.8991e-05 6.4918e-06 6.5411e-06 4.8146e-06 00:08:45 130
71 8.8955e-05 6.3037e-06 6.3645e-06 4.6689e-06 00:08:40 129
72 8.8968e-05 6.2536e-06 6.31e-06 4.6026e-06 00:08:35 128
73 8.8907e-05 6.1375e-06 6.1925e-06 4.497e-06 00:08:30 127
74 8.8935e-05 6.0501e-06 6.1093e-06 4.4071e-06 00:08:26 126
75 8.8892e-05 6.0662e-06 6.0925e-06 4.3972e-06 00:08:22 125
76 8.8897e-05 6.0758e-06 6.0993e-06 4.4299e-06 00:08:42 124
77 8.893e-05 6.1981e-06 6.2266e-06 4.5347e-06 00:08:33 123
78 8.8891e-05 6.3053e-06 6.3293e-06 4.5962e-06 00:08:24 122
79 8.8818e-05 6.1953e-06 6.2373e-06 4.5181e-06 00:08:17 121
80 8.8858e-05 6.1763e-06 6.2168e-06 4.4893e-06 00:08:10 120
81 8.8865e-05 6.0515e-06 6.0841e-06 4.3822e-06 00:08:04 119
82 8.8874e-05 5.9964e-06 6.0286e-06 4.3356e-06 00:07:58 118
83 8.8867e-05 5.9183e-06 5.9639e-06 4.2834e-06 00:08:17 117
84 8.8844e-05 5.8322e-06 5.8723e-06 4.2091e-06 00:07:43 116
85 8.8829e-05 5.7852e-06 5.8254e-06 4.1701e-06 00:08:03 115
86 8.8851e-05 5.7673e-06 5.8177e-06 4.1566e-06 00:07:31 114
87 8.8834e-05 5.729e-06 5.784e-06 4.1267e-06 00:07:51 113
88 8.8836e-05 5.7338e-06 5.7801e-06 4.1259e-06 00:07:20 112
89 8.8821e-05 5.707e-06 5.7518e-06 4.1052e-06 00:07:40 111
90 8.8863e-05 5.8281e-06 5.8768e-06 4.197e-06 00:07:33 110
91 8.8865e-05 5.9441e-06 5.9967e-06 4.3031e-06 00:07:04 109
92 8.8834e-05 5.918e-06 5.9766e-06 4.2828e-06 00:07:24 108
93 8.882e-05 5.9228e-06 5.975e-06 4.2865e-06 00:07:18 107
94 8.8781e-05 5.8104e-06 5.8587e-06 4.1909e-06 00:07:12 106
95 8.8778e-05 5.7422e-06 5.7904e-06 4.1398e-06 00:07:06 105
96 8.8776e-05 5.6983e-06 5.7456e-06 4.1005e-06 00:07:01 104
97 8.8786e-05 5.6703e-06 5.7204e-06 4.0746e-06 00:06:56 103
98 8.8793e-05 5.6629e-06 5.7185e-06 4.0703e-06 00:07:11 102
99 8.8796e-05 5.6682e-06 5.7236e-06 4.0725e-06 00:06:42 101
100 8.8795e-05 5.6597e-06 5.7153e-06 4.0663e-06 00:06:59 100
101 8.8792e-05 5.6526e-06 5.707e-06 4.06e-06 00:06:31 99
102 8.8793e-05 5.6474e-06 5.7011e-06 4.0565e-06 00:06:28 98
103 8.8793e-05 5.6442e-06 5.6977e-06 4.054e-06 00:06:44 97
104 8.8794e-05 5.6427e-06 5.6965e-06 4.0527e-06 00:06:37 96
105 8.8793e-05 5.6435e-06 5.6965e-06 4.0528e-06 00:06:30 95
106 8.8793e-05 5.6429e-06 5.6961e-06 4.0524e-06 00:06:24 94
107 8.8792e-05 5.6423e-06 5.6957e-06 4.0514e-06 00:06:18 93
108 8.8795e-05 5.642e-06 5.6956e-06 4.0514e-06 00:06:13 92
109 8.8793e-05 5.6422e-06 5.6962e-06 4.0518e-06 00:06:08 91
110 8.8795e-05 5.6418e-06 5.6956e-06 4.0515e-06 00:06:03 90
111 8.8793e-05 5.6418e-06 5.6954e-06 4.0518e-06 00:06:16 89
112 8.8796e-05 5.6415e-06 5.6952e-06 4.0506e-06 00:05:50 88
113 8.8794e-05 5.6421e-06 5.6956e-06 4.0517e-06 00:05:47 87
114 8.8795e-05 5.6425e-06 5.6961e-06 4.0518e-06 00:06:00 86
115 8.8794e-05 5.6426e-06 5.6959e-06 4.0515e-06 00:05:36 85
116 8.8796e-05 5.6419e-06 5.6953e-06 4.0511e-06 00:05:50 84
117 8.8795e-05 5.6418e-06 5.6951e-06 4.0513e-06 00:05:43 83
118 8.8795e-05 5.6416e-06 5.695e-06 4.0508e-06 00:05:36 82
119 8.8794e-05 5.6417e-06 5.6952e-06 4.0511e-06 00:05:31 81
120 8.8795e-05 5.6423e-06 5.6955e-06 4.0516e-06 00:05:25 80
121 8.8794e-05 5.6419e-06 5.6955e-06 4.0516e-06 00:05:20 79
122 8.8796e-05 5.6417e-06 5.6952e-06 4.051e-06 00:05:15 78
123 8.8795e-05 5.6417e-06 5.6952e-06 4.0507e-06 00:05:11 77
124 8.8797e-05 5.6415e-06 5.6952e-06 4.0511e-06 00:05:06 76
125 8.8795e-05 5.6417e-06 5.6951e-06 4.0508e-06 00:05:02 75
126 8.8797e-05 5.6415e-06 5.6951e-06 4.0512e-06 00:05:12 74
127 8.8794e-05 5.6417e-06 5.6952e-06 4.0509e-06 00:05:05 73
128 8.8796e-05 5.6416e-06 5.695e-06 4.0512e-06 00:04:58 72
129 8.8795e-05 5.6417e-06 5.6951e-06 4.0514e-06 00:04:52 71
130 8.8796e-05 5.6416e-06 5.6951e-06 4.0499e-06 00:04:46 70
131 8.8795e-05 5.6416e-06 5.6952e-06 4.051e-06 00:04:41 69
132 8.8795e-05 5.6415e-06 5.6951e-06 4.0507e-06 00:04:36 68
133 8.8795e-05 5.6417e-06 5.6951e-06 4.0508e-06 00:04:31 67
134 8.8796e-05 5.6416e-06 5.6951e-06 4.0509e-06 00:04:26 66
135 8.8795e-05 5.6416e-06 5.6951e-06 4.0506e-06 00:04:22 65
136 8.8795e-05 5.6416e-06 5.6951e-06 4.0509e-06 00:04:17 64
137 8.8796e-05 5.6416e-06 5.6952e-06 4.051e-06 00:04:13 63
138 8.8795e-05 5.6415e-06 5.6952e-06 4.0511e-06 00:04:09 62
139 8.8794e-05 5.6416e-06 5.6951e-06 4.0506e-06 00:04:05 61
140 8.8796e-05 5.6414e-06 5.6951e-06 4.0516e-06 00:04:01 60
141 8.8795e-05 5.6416e-06 5.6952e-06 4.0511e-06 00:03:56 59
142 8.8796e-05 5.6415e-06 5.6951e-06 4.0504e-06 00:04:04 58
143 8.8794e-05 5.6416e-06 5.6952e-06 4.0506e-06 00:03:57 57
144 8.8796e-05 5.6415e-06 5.6951e-06 4.0509e-06 00:03:51 56
145 8.8795e-05 5.6416e-06 5.6951e-06 4.051e-06 00:03:46 55
146 8.8796e-05 5.6415e-06 5.6951e-06 4.0509e-06 00:03:41 54
147 8.8795e-05 5.6416e-06 5.6952e-06 4.0503e-06 00:03:36 53
148 8.8795e-05 5.642e-06 5.6956e-06 4.0513e-06 00:03:31 52
149 8.8794e-05 5.6418e-06 5.6953e-06 4.0515e-06 00:03:26 51
150 8.8795e-05 5.6415e-06 5.6951e-06 4.0512e-06 00:03:22 50
151 8.8794e-05 5.6417e-06 5.6951e-06 4.0511e-06 00:03:17 49
152 8.8795e-05 5.6415e-06 5.6949e-06 4.0513e-06 00:03:13 48
153 8.8794e-05 5.6416e-06 5.6951e-06 4.0508e-06 00:03:09 47
154 8.8795e-05 5.6415e-06 5.6949e-06 4.0506e-06 00:03:05 46
155 8.8794e-05 5.6416e-06 5.695e-06 4.0517e-06 00:03:01 45
156 8.8796e-05 5.6415e-06 5.695e-06 4.0509e-06 00:02:56 44
157 8.8793e-05 5.6416e-06 5.6951e-06 4.0506e-06 00:02:52 43
158 8.8795e-05 5.6415e-06 5.695e-06 4.0509e-06 00:02:57 42
159 8.8794e-05 5.6416e-06 5.695e-06 4.0511e-06 00:02:51 41
160 8.8795e-05 5.6415e-06 5.6951e-06 4.0505e-06 00:02:45 40
161 8.8794e-05 5.6416e-06 5.6951e-06 4.0512e-06 00:02:40 39
162 8.8795e-05 5.6416e-06 5.6951e-06 4.0511e-06 00:02:35 38
163 8.8794e-05 5.6417e-06 5.6951e-06 4.051e-06 00:02:30 37
164 8.8795e-05 5.6415e-06 5.6949e-06 4.0509e-06 00:02:26 36
165 8.8794e-05 5.6416e-06 5.695e-06 4.0505e-06 00:02:22 35
166 8.8795e-05 5.6414e-06 5.695e-06 4.0506e-06 00:02:17 34
167 8.8794e-05 5.6417e-06 5.695e-06 4.0516e-06 00:02:13 33
168 8.8795e-05 5.6414e-06 5.695e-06 4.0502e-06 00:02:09 32
169 8.8794e-05 5.6416e-06 5.695e-06 4.0509e-06 00:02:05 31
170 8.8795e-05 5.6415e-06 5.695e-06 4.0503e-06 00:02:00 30
171 8.8794e-05 5.6415e-06 5.6951e-06 4.0508e-06 00:01:56 29
172 8.8795e-05 5.6415e-06 5.6951e-06 4.051e-06 00:01:52 28
173 8.8794e-05 5.6416e-06 5.6951e-06 4.0513e-06 00:01:48 27
174 8.8794e-05 5.6415e-06 5.6951e-06 4.0506e-06 00:01:49 26
175 8.8793e-05 5.6416e-06 5.6951e-06 4.0506e-06 00:01:44 25
176 8.8795e-05 5.6415e-06 5.6951e-06 4.0512e-06 00:01:39 24
177 8.8793e-05 5.6416e-06 5.6952e-06 4.0508e-06 00:01:34 23
178 8.8795e-05 5.6415e-06 5.6951e-06 4.0514e-06 00:01:30 22
179 8.8793e-05 5.6416e-06 5.695e-06 4.0511e-06 00:01:25 21
180 8.8795e-05 5.6415e-06 5.695e-06 4.0509e-06 00:01:21 20
181 8.8793e-05 5.6416e-06 5.695e-06 4.0499e-06 00:01:17 19
182 8.8795e-05 5.6415e-06 5.695e-06 4.0507e-06 00:01:13 18
183 8.8793e-05 5.6415e-06 5.6951e-06 4.0506e-06 00:01:08 17
184 8.8795e-05 5.6415e-06 5.695e-06 4.0508e-06 00:01:04 16
185 8.8794e-05 5.6416e-06 5.6951e-06 4.0512e-06 00:01:00 15
186 8.8795e-05 5.6416e-06 5.695e-06 4.0514e-06 00:00:59 14
187 8.8794e-05 5.6416e-06 5.695e-06 4.0511e-06 00:00:52 13
188 8.8796e-05 5.6415e-06 5.695e-06 4.05e-06 00:00:50 12
189 8.8794e-05 5.6415e-06 5.695e-06 4.051e-06 00:00:46 11
190 8.8795e-05 5.6415e-06 5.695e-06 4.0507e-06 00:00:41 10
191 8.8795e-05 5.6415e-06 5.695e-06 4.0506e-06 00:00:39 9
192 8.8795e-05 5.6415e-06 5.6951e-06 4.0509e-06 00:00:32 8
193 8.8794e-05 5.6415e-06 5.695e-06 4.051e-06 00:00:30 7
194 8.8795e-05 5.6415e-06 5.6949e-06 4.0508e-06 00:00:24 6
195 8.8793e-05 5.6416e-06 5.695e-06 4.0507e-06 00:00:21 5
196 8.8795e-05 5.6415e-06 5.6951e-06 4.0505e-06 00:00:17 4
197 8.8794e-05 5.6416e-06 5.6951e-06 4.0505e-06 00:00:12 3
198 8.8794e-05 5.6414e-06 5.6951e-06 4.0509e-06 00:00:08 2
199 8.8793e-05 5.6415e-06 5.695e-06 4.0508e-06 00:00:04 1
200 8.8794e-05 5.6415e-06 5.695e-06 4.0507e-06 00:00:00 0
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