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Jiajie Zhang


Last seen: 3 years ago |  Active since 2018

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How to generate a fixed number of float numbers and their sum is a fixed float number?
Suppose I have a fixed float number 0.7, I want to generate 9 positive float numbers that theri sum is 0.7.

5 years ago | 2 answers | 0

2

answers

Question


How to store all the datas of a txt file in some given bits?
I have a txt like this: 9,15,5,10,14,5,11,15,5,7,19,0,4,22,0 7,8,7,10,8,4,11,7,0,9,12,7,11,11,0 each row has 15 data values; ...

5 years ago | 1 answer | 0

1

answer

Question


How to extract some columns from txt file to cell
I have a txt file as follows The intersection size between 1_1.txt and 1_2.txt is 7 The intersection size between 1_1.txt and ...

5 years ago | 1 answer | 0

1

answer

Question


how to figure out if there exists duplicated rows in a cell?
I'm generating a cell array like this, 216 46 0.503045247761871 190 49 3.58273130505241, every time I put new data in this ...

5 years ago | 0 answers | 0

0

answers

Question


Rotate a set of 2D points by changing the first element into origin
I have a set of point, each point has 3 attributions,(x,y,direction) such as: (1,2,45) (5,7,50)(9,6,120) I want to consider t...

5 years ago | 0 answers | 0

0

answers

Question


How to modify all the datas in a txt files?
I have a txt file like this: 9,15,5,10,14,5,11,15,5,7,19,0,4,22,0 7,8,7,10,8,4,11,7,0,9,12,7,11,11,0 9,15,5,10,14,5,11,15,5,7...

6 years ago | 1 answer | 0

1

answer

Question


How to make this be a loop?
Hi, I want to make the function deal with a lot of images, but I got errors when trying to add the loop. The original one is...

6 years ago | 1 answer | 0

1

answer