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Michelle De Luna


Last seen: 2 years ago |  Active since 2020

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Change Name of String in Cell Array if Repeated More Than Once...
Good afternoon! I'm currently working with hundreds of files that each represent an individual day. Every time an event occurs...

3 years ago | 1 answer | 0

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answer

Question


Select Numerous Files from Folder Based on Values in Matrix
Hi all! I have one big folder with thousands of files containing data for each day of each year from 1980 to 2000. The name of...

3 years ago | 1 answer | 0

1

answer

Question


Plotting Wind Vectors at Various Atmospheric Pressure Levels...
Good morning! I'm trying to plot wind vectors using MATLAB's quiver function. While I can successfully plot a 2-d wind vector ...

3 years ago | 1 answer | 0

1

answer

Question


Read Data and Store Variables for Hundreds of Files...
Hi all, I have a folder with hundreds of files. I would like to read each file individually and store the results so that, in t...

3 years ago | 1 answer | 0

1

answer

Answered
Change Variable Value at each Iteration Based on Value in Array
After a couple of days, I got the (as expected, pretty easy) solution: if the size of my array is the same length of the files i...

3 years ago | 0

| accepted

Question


Change Variable Value at each Iteration Based on Value in Array
Hi all! I'm currently reading through ten .nc files. I am interested in looking at a particular variable contained within each...

3 years ago | 1 answer | 0

1

answer

Question


Save Multiple Matrices from For Loop
Good afternoon! I'm currently working on reading through various levels of a group of .nc files. Every time I read through the...

3 years ago | 1 answer | 0

1

answer

Question


Extracting Data from Over 600 .nc Files...
Hi all! Here's a tough one I'm hoping to receive some guidance on: I'm trying to average a specific variable over six hundred ...

3 years ago | 1 answer | 0

1

answer

Question


Creating a 3-D Plot/Contour Map from Matrix...
Good evening! I have multiple 21 x 21 matrices that represent temperature at 21 different atmospheric pressure levels and 21 d...

3 years ago | 1 answer | 0

1

answer

Answered
Replace Only Certain Values within a Matrix Based on Indices from Another
Got it! Thanks for the help! :) x y ind = find(x~=0) index=setdiff(1:numel(y),ind); y(index)=0 y

4 years ago | 0

| accepted

Question


Replace Only Certain Values within a Matrix Based on Indices from Another
Hi all! I have a 200 X 500 matrix. Within that matrix, only a handful of elements have actual numerical values. I have identif...

4 years ago | 2 answers | 0

2

answers

Question


Identify Individual Shape from Matrix Representing Multiple Shapes
Hi all, I have a matrix which represents multiple shapes. (Picture an image with a black background and several white circles ...

4 years ago | 2 answers | 0

2

answers

Answered
Help with Matrices and Index Position
Thanks to all! I just used the "find" function to find all non-NaN values and used the indices related to these values to solve ...

4 years ago | 0

| accepted

Question


Help with Matrices and Index Position
Hi all, I have multiple matrices of the same size (500 x 5,000). I am focusing on the first of the matrices, which has some nu...

4 years ago | 1 answer | 0

1

answer

Question


Replace Values Larger than Threshold with New Value, But Keep Smaller Values
Hi all, I have a 600 x 2 matrix, and I would like to check which values within the first column exceed a threshold. For exampl...

4 years ago | 1 answer | 0

1

answer

Question


Select Specific NC Files in Folder Using Date Included in Filename
Good evening! I hope this message finds everyone healthy and well. I'm currently working with a series of .nc files which repr...

4 years ago | 1 answer | 0

1

answer

Question


Second X-Axis on Bottom of Contour Plot?
Hi everyone! I hope you are all well and safe. Just a quick question: I have a contour plot and I'm trying to add a second x-a...

4 years ago | 1 answer | 0

1

answer

Question


Outline of shape in matrix using contour?
Hi all! I have a matrix with various shapes. The matrix looks something like this (picture included below) when I use the imsh...

4 years ago | 1 answer | 0

1

answer

Answered
2-D Plot with Latitude, Pressure Level, and other Variables
Thank you to all for your input! The issue was addressed using the contour function and focusing on one contour line of interest...

4 years ago | 0

| accepted

Question


2-D Plot with Latitude, Pressure Level, and other Variables
Hi everyone! I have been tasked with plotting specific humidity on a 2-D plot that uses latitude as the x-axis and atmospheric...

4 years ago | 1 answer | 0

1

answer

Question


Combining/Merging Output for Multiple NetCDF Files
Good afternoon! I have a series of 31 netCDF files (.nc4), each representing a day of the month. Variables for each of the files...

4 years ago | 3 answers | 0

3

answers

Question


4 x 4 Mask to Identify Regions on Map with Highest Value
Good afternoon everyone! I have a 360 x 576 matrix that represents a map of the world (latitude and longitude, respectively). ...

4 years ago | 2 answers | 0

2

answers

Question


Replacing Values in Matrix with NaN's based on Row and Column
Hi everyone! I hope all of you are well. I'm currently working on replacing specific element values with NaN's within a matrix...

4 years ago | 2 answers | 0

2

answers

Question


Reduce Matrix by Adding Every Nth Rows and Nth Columns
Good morning everyone! I was hoping for suggestions regarding a matrix reduction problem. I have a matrix that is 8000 x 4000....

4 years ago | 1 answer | 0

1

answer

Question


Create New Array from Existing Array using For Loop and If Statement
Good evening everyone! I have an array named 'longitude' that has hundreds of thousands of longitude values ranging from 30 to...

4 years ago | 1 answer | 0

1

answer

Question


Selecting Elements of Matrix Given Index Value...
Hi all! I have an array with a list of indices that I am interested in extracting from a matrix. For example, the array is [96...

4 years ago | 1 answer | 0

1

answer

Question


Comparing Two Matrices and Returning Differences...
Hi friends! I hope this post finds you all in good health! I'm reaching out because I had a question regarding the comparison ...

4 years ago | 1 answer | 0

1

answer

Question


Select Specific Values in Matrix Based on Index Values Listed in Array...
Good afternoon! I had a question regarding filtering/selecting specific values within a matrix based on the values listed in a...

5 years ago | 1 answer | 1

1

answer

Question


For Loop for Non-Consecutive Values in an Array...
Hi everyone! I had a question regarding for loops when your "i" values are not consecutive. I have a large matrix with thousan...

5 years ago | 1 answer | 0

1

answer

Question


How to Export Contour Plot as Shape File if Output is of Data Type 'Double'?
Good morning! I'm trying to export a contour plot as a shapefile. However, there seems to be a problem with the shapewrite fun...

5 years ago | 1 answer | 0

1

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