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UWM


Last seen: 12ヶ月 前 |  2016 年からアクティブ

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質問


Finding strings with common character
I would like to find in a text file all unique strings with common first character, e.g. "G" (unique i.e. without repetition: if...

約1年 前 | 4 件の回答 | 0

4

回答

質問


Rename of multiple files
I have many folders and in each I have potentially 480 txt files (“potentially” because in some folders some files are missing) ...

4年弱 前 | 3 件の回答 | 0

3

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質問


Reading data from multiple files in ascending order.
I have many folders and in each I have potentially 480 txt files (“potentially” because in some folders some files are missing) ...

4年弱 前 | 1 件の回答 | 0

1

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質問


Remove line from text file if in the first column there is a certain character
Hi, I have a .txt file with many rows. Short example: $GN,074043.00,11,09,2020,00,00* 2 -0000,00 00000,00 $GN, ...

4年以上 前 | 1 件の回答 | 0

1

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質問


vector projection based on adopted direction
I have X'Y'Z' coordinate system (define by position of X', Y', Z' axises). This coordinate system was created by rotatation and...

5年弱 前 | 0 件の回答 | 0

0

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質問


coordinate system rotation and then calculate position in new (rotated) system
I have a direction defined by azimuth and evation (e.g. Azi, Elev). I would like to calculate values of these Azi i Elev after...

5年弱 前 | 1 件の回答 | 0

1

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質問


Angle betwen two 3d vectors in the range 0-360 degree
I have set of two 3d vectors lying on the same plane. I would like to calculate angles betwen each of these pairs, but in the "...

約5年 前 | 1 件の回答 | 0

1

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質問


calculation the angle betwen X-axis created due coordinate system rotation - after projection the coordinate system on the plane
I have a coordinate system XYZ (black on figure) which can be rotated around Z axis (Zrot angle) or around Y axis (Yrot angle...

約5年 前 | 1 件の回答 | 0

1

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質問


how to calculate direction in rotated coordinate system
I have a direction defined by azimuth and evation (e.g. Azi, Elev). I would like to calculate values of these Azi i Elev after...

約5年 前 | 2 件の回答 | 0

2

回答

質問


vector projection on rotated coordinate system
I have to vectors: red (XR, YR, ZR) and blue (XB, YB, ZB) in XYZ coordinate system. I would like to calculate projection of the...

約5年 前 | 1 件の回答 | 0

1

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質問


delete row if in column 1 nad 2 are the same values
Hello. I have e.g. 3 x 5 matrix. I want to delete all rows which have the same elements in column 1 and 2. For instance: a = ...

5年以上 前 | 1 件の回答 | 0

1

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質問


fit and plot surface and get acces to fitted surface parameters
I use f = fit( [X1, Y1], Z1, 'poly44' ) and plot(f, [X1,Y1], Z1) functions to fit (and plot) surface to scattered data. I...

5年以上 前 | 0 件の回答 | 0

0

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質問


Compare values from two text files and replace if they match
I have a problem of comparing two text files and replace value in third column if values in two first column match. I have to t...

5年以上 前 | 1 件の回答 | 0

1

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質問


runing repeatedly exe files using matlab
I have houndreds of text fils that I have to edit using teqc.exe soft. Example files names are: TTTT071A.19, TTTT072A.19, TTTT0...

6年弱 前 | 0 件の回答 | 0

0

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質問


Is it posible in Matlab to model surface using spherical harmonics (SH) basing on 3d data? If yes, how can I do it.
imputs: a set of points with 3d coordinates outputs: surface model created using SH

6年以上 前 | 1 件の回答 | 0

1

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質問


Finding the first occurance of a given string
I have a large text file in which I need to find the first occurance of a given string, e.g. 'STAX'. How can I do this?

8年以上 前 | 1 件の回答 | 0

1

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質問


select data from a text file
Matlab users, I have a question regarding selecting certain data from a text file. First of all I need to find all rows wh...

9年弱 前 | 1 件の回答 | 0

1

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