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flemingtb


Last seen: 8 months ago |  Active since 2018

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Answered
How to format surface data into XYZ point cloud?
I've attached the data file. I need to convert this format to XYZ columns. All that i have done so far is to get size data t...

5 years ago | 0

Question


How to format surface data into XYZ point cloud?
I have a .csv data set that is 10x22 surface data and i'd like to convert it to XYZ point cloud. What is the best way to do thi...

5 years ago | 3 answers | 0

3

answers

Question


What is the best way to take the derivative of a surface plot (2D) data?
I have a data set that is a measurement of a defect. I'd like to programatically characterize the defect for depth and area of ...

5 years ago | 0 answers | 0

0

answers

Question


How to filter low frequency data set?
I have attached my example data set. What i would like to do is correct the data in each row based on the maximum value of the ...

5 years ago | 0 answers | 0

0

answers

Answered
Need help calculating slope in X and Y directions from matrix data
Yes the matrix can vary in size and i would like to move a window of width (10) along in (1) column jumps. Exactly right.

5 years ago | 0

Question


Need help calculating slope in X and Y directions from matrix data
Need to determine max slope in a matrix of Z data for a given range of data points. For example i'd like to take the slope of (...

5 years ago | 1 answer | 0

1

answer

Question


how to insert a calculated index to trim a data set?
I have a matrix KeyZ that needs to be custom trimmed based on user defined dimensions. The user inputs a 'width' value in mm an...

5 years ago | 2 answers | 0

2

answers

Answered
Need help concatenating data with struct field name?
Ah i think i've got it. out = [FileNames,num2cell(data)]

5 years ago | 0

Question


Need help concatenating data with struct field name?
I have a struct (s) with Field (name) i'm looking to create a 'name' array so that i can concatenate it with data. the field 'n...

5 years ago | 2 answers | 0

2

answers

Answered
How to process multiple .csv files?
Got it, thanks.

5 years ago | 0

Answered
How to process multiple .csv files?
Wow that worked. Basically it's opening each file and doing the analysis that i normally was doing one at a time. The data is ...

5 years ago | 0

Question


How to process multiple .csv files?
I have a folder of .csv files i'd like to process as a batch, meaning perform analysis on each file individually. Here is the c...

5 years ago | 4 answers | 0

4

answers

Question


How to trim data in a matrix?
I have a matrix 800x800, from X(0:130) and X(589:end) is garbage. How do i remove the data so that i can surface plot it? If...

5 years ago | 1 answer | 0

1

answer

Question


How to differentiate a surface plot?
I have a matrix of (Z) data, the data is height data (Z), each line of data is a scan (Y) and each line has 300 points(X). I am...

5 years ago | 0 answers | 0

0

answers

Question


How can i correct angled data?
I have a data set, it is measurement data from a series of line scans of a surface. I'm interested in the warp or flatness of t...

5 years ago | 0 answers | 0

0

answers

Question


How to scale data
I have point cloud data from a profilometer, where each scan line is a row and each column is a pixel in the line scan. i know ...

5 years ago | 1 answer | 0

1

answer

Question


how to open csv and plot contour data
I have a large .csv data file from a measurement sensor, i want to open the file and plot the data using Matlab. The data is in...

5 years ago | 1 answer | 0

1

answer

Question


How to evaluate a function over a range of inputs
This is probably really easy but i'm new to Matlab and can't figure out the syntax. Example: F = ((1-n/(1+n))^2 n = [0:15] ...

5 years ago | 2 answers | 0

2

answers

Question


How do i find rows that contain duplicate values only?
for example i want to identify the row and column that contain "3" only and delete them from the data x = [1 3 5 6; 2 3 6...

6 years ago | 1 answer | 0

1

answer

Question


How to open a .txt file with header information
I have a large data file, temperature data to be exact, the file output from the sensor is .txt. The first 12 rows are header r...

6 years ago | 2 answers | 0

2

answers

Question


plot scale is messed up
Wow i'm rusty... I'd like to interpolate for Wn over the range of Ln in the code below. Which it does but the plot 'X' axis is...

6 years ago | 1 answer | 0

1

answer