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newbie9


自 2017 起处于活动状态

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How to get optimal linear scaling factor for a set of vectors
I am trying to determine the optimal linear scaling factor for a set of vectors, such that the mean of the scaled set is close t...

2 years 前 | 2 个回答 | 0

2

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提问


interp2() 'monotonically increasing' error
I have many lines that represent a "z" value and want to interpolate at a specific value between them, at a specific x-axis loc...

3 years 前 | 1 个回答 | 0

1

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提问


Join 3 tables based on 2 key fields, trouble using outerjoin()
How can I combine 3 tables into 1 table, using two "key" fields? I have tried various combinations of outerjoin() without any lu...

4 years 前 | 0 个回答 | 0

0

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已回答
How to save uitable() to PNG
I asked on StackOverflow and got an answer that worked: f = figure; uit = uitable(f, 'Data', table2cell(t)); uit.ColumnName={...

4 years 前 | 2

提问


How to save uitable() to PNG
I am trying to use uitable() to convert my Table to a PNG, but I'm having trouble saving it. Using R2018a, no fancy add-ons ...

4 years 前 | 2 个回答 | 0

2

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提问


Scatter plot legend marker size is huge
The legend icons in my scatter plot are huge in the saved PDF (they look fine in the Matalb figure pop-up window). I tried some ...

4 years 前 | 1 个回答 | 0

1

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提问


Subplots squished to top of page, manually setting position not working
I am trying to create a set of 12 subplots on a tabloid landscape layout to print to PDF. The plots are all squished to the top...

4 years 前 | 1 个回答 | 0

1

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提问


Existing table, populate a column with string (receiving errors)
I have a table, and I want to populate every row in a specific column with the same string. I keep getting errors. Using Matlab ...

4 years 前 | 1 个回答 | 0

1

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提问


Duplicate x,y in table; get min/max of variables to new table
I have a large dataset, small subset attached. There are duplicate x,y values. I need a cleaned table with "var1_max, var1_min,...

4 years 前 | 1 个回答 | 0

1

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提问


Table, how to replace all values less than X with Y in specific column
Working with a Matlab table, not matrix, how can I replace all values less than X with Y in specific column?

4 years 前 | 1 个回答 | 0

1

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提问


Extract all columns from a table where the column names "start with" a string
How can I extract all columns from a table where the column names "start with" a string? For example, in mytable = array2table...

4 years 前 | 2 个回答 | 0

2

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提问


Customizing location of plot on figure
How can I set a plot to be in the center of a figure, while controlling the width? The problem I ham having is that my heatmap i...

4 years 前 | 1 个回答 | 0

1

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已回答
Table, delete columns with zero
Got it; it takes two steps. First repalce zeros with NaN, then can clean it up: table2 = standardizeMissing(table1, 0); % the 0...

4 years 前 | 1

| 已接受

提问


Table, delete columns with zero
I have a table with many rows and columns. How can I delete a column if any row contains zero? (I found a million ways to delete...

4 years 前 | 2 个回答 | 0

2

个回答

提问


How to make heatmap y-axis based on column names, not column values
How can I make a heat map based on the values in the column names in a table? For example, if I have this table: myTable = [0 ...

4 years 前 | 1 个回答 | 0

1

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提问


Loop for mutliple (but variable) number of plots on multiple pages
I'm trying to make multiple pages of subplots, but the number of pages varies. There will be 12 subplots per page. Note that som...

4 years 前 | 1 个回答 | 0

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提问


Help parsing predictably messy data
I have some really messy data that I am trying to reorganize. The attached *.txt is an example subset. The first screenshot belo...

4 years 前 | 1 个回答 | 0

1

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已回答
I want to add this cell variable 'condition_col' to existing matrix 'data' if certain conditions are met, following code doesn't work, any help?
See if this helps to get you on the right track: % set up dummy data to work with data = rand(20,1); data = array2table(data)...

4 years 前 | 0

| 已接受

提问


Unable to link x-axis in subplot
I can't seem to get linkaxis to work (code is below, with small datasets attached). I am trying to get the subplots to line up, ...

4 years 前 | 1 个回答 | 0

1

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已回答
Find four midpoints between each two nodes
This should work: d = [1 1; 2 1; 2 2; 1 2]; givenMidpoints = [1.25 1; 1.5 1;1.75 1; 2 1; 2 1.25; 2 1.5; 2 1.75; 2 2; 1.75 2; 1...

4 years 前 | 1

| 已接受

已回答
Plot best fit line in log-space & get slope
Star Strider basically gave the correct answer, so I have accepted; but I wanted to show the fit in log-log space, so here's my ...

4 years 前 | 1

提问


Inserting string into specific field in table
I'm trying to insert a string into a specific cell in a table. I've tried a handful of combinations, including curly brackets, c...

4 years 前 | 1 个回答 | 1

1

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已回答
reading csv file from 10 th line ?
If you want to read only the 10th line: mydata10only = textscan(fid001, '%f %f %f %f', 1 , 'HeaderLines', 10); mydata10only = ...

4 years 前 | 0

提问


Plot best fit line in log-space & get slope
I am trying to determine the slope of the best-fit line in log space, and plot the best-fit line as a visual check. It needs to ...

4 years 前 | 2 个回答 | 0

2

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已回答
Resample points that make up a line
I solved this by [for each group_id] getting the distance between each counter_id. Then if the distance was less than the thresh...

5 years 前 | 0

| 已接受

提问


Resample points that make up a line
My dataset consists of lines that are defined by "group_id" and "counter." Each group_id is one line, and the counter is the ord...

5 years 前 | 1 个回答 | 0

1

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提问


How to repeatedly subdive vector rectangle into equal area?
I have x,y point data that I am trying to analyze in "swaths" or rectangles along the x-axis. I need to take the rectangle and s...

5 years 前 | 1 个回答 | 0

1

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已回答
regexprep() skip first occurrence
this works but perhaps is not most efficient: [spaces,letters] = regexp(mystring, ' ', 'match', 'split', 'forceCellOutput'); s...

5 years 前 | 0

提问


regexprep() skip first occurrence
Is there a way to use regexprep() but skip the first occurrence of a space? mystring = 'this is my string'; desired return: m...

5 years 前 | 2 个回答 | 0

2

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已回答
Delete rows in cell that contain part of string
Below works, but perhaps is not the most elegant code. rawdata = textscan(fid, '%s %s' , 'HeaderLines', 7); fclose all; rawda...

5 years 前 | 0

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