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**Content Feed**

Question

Find correlation between two matrices with varying NaN coordinates

Hello. I have global two matrices, A and B They are both the same dimensions, but A has NaN's in some places that B does not....

mer än 7 år ago | 1 answer | 0

### 1

answerQuestion

Using interp2 on maps that have different longitude systems

Hello, I am trying to use interp2 between A and B A longitude spans 0 to 360 B longitude spans -180 to 180 If I use ...

mer än 7 år ago | 1 answer | 0

### 1

answerQuestion

Interpolation problem between two 2D global datasets

Hello, I have two matrices I would like to compare. First Matrix: Serna (360x720) lat (360x1) lon (720x1) Sec...

mer än 7 år ago | 1 answer | 0

### 1

answerQuestion

How to find correlation coefficient between two global maps

Hello, I have two global datasets of dimensions 288(longitude) x192(latitude) I would like to calculate the correlation co...

mer än 7 år ago | 1 answer | 0

### 1

answerQuestion

Find nearest grid cell between two 2D matrixes of different resolution

Hello, I have two matrices I would like to compare. A is 192(lon) x 288(lat) B is 360(lat) x 720(lon) How can I regrid...

mer än 7 år ago | 1 answer | 0

### 1

answerQuestion

Problem when wrapping longitude dataset

Hello, I have a global dataset that I would like to wrap. I want to change its longitude from [0 360] to [-180 180]. I can su...

mer än 7 år ago | 1 answer | 1

### 1

answerQuestion

Converting 2D matrix to vectors

Hello, I have a matrix of 419x419 data that has NaN's throughout. I have a longitude vector of 419x1 and a latitude vector of...

mer än 7 år ago | 1 answer | 0

### 1

answerQuestion

Using knnsearch to find nearest values ignoring NaN's

Hello, I have two datasets. A is a high resolution global dataset, and B is a smaller dataset with sparse points. I want to f...

mer än 7 år ago | 2 answers | 0

### 2

answersQuestion

Problems with WrapTo180 map

Hello, I have a 288(lon) x 192(lat) dataset The longitude is from 0 to 360 but I would like to wrap it so that it is -180 to...

mer än 7 år ago | 0 answers | 0

### 0

answersQuestion

Simple For Loop To Find Indices

Hello. I have a question about a simple for loop. I have an original latlon set of about 500x1 unique coordinates. I have a s...

nästan 8 år ago | 2 answers | 0

### 2

answersQuestion

Extracting values in 2D dataset with indices for lat and lon

Hello I have a very simple problem: I have a vector of indices I extracted for a latitude vector and a longitude vector. I...

nästan 8 år ago | 1 answer | 0

### 1

answerQuestion

Compare closest grid cells without interpolation

Hello, I want to compare two global data sets that do not share the same resolution. I want to compare the values with each o...

nästan 8 år ago | 1 answer | 0

### 1

answerQuestion

Correlation between two differently formatted datasets

Hello, I want to calculate the R^2 correlation between two different datasets. The first one, A, is 192x288 (lat,lon) and...

nästan 8 år ago | 1 answer | 0

### 1

answerQuestion

Problems with wrapTo180, creates lines on map

Hello, I have a longitude vector that I want to convert from 0-360 to -180 - 180 The data shows perfectly find on a global m...

nästan 8 år ago | 1 answer | 0

### 1

answerQuestion

Plotting irregular column data in 2D global map pcolor plot

Hello, I have a dataset of 555x3 Lat, Lon, and Biomass The latitude and longitude are irregularly spaced I want to get ...

nästan 8 år ago | 1 answer | 0

### 1

answerQuestion

Weighted average of irregular intervals

Hello, I have a 555x5 matrix C = [Lat Lon Bm Lower Upper] Bm represents biomass data. Lower and Upper repr...

nästan 8 år ago | 1 answer | 1

### 1

answerQuestion

Plotting spatial data in a global map

Hello, I have a dataset of 555x3 Lat, Lon, and Biomass The latitude and longitude are not evenly spaced and random I w...

nästan 8 år ago | 1 answer | 1

### 1

answerQuestion

How to read ASCII grid format

Hello, I am confused about how to read this ASCII grid I have. Let's call it A.asc A has a resolution of 0.5 x 0.5 degree...

ungefär 8 år ago | 2 answers | 0

### 2

answersQuestion

Weighted Average of Data with Irregular Range and Missing Data

Hello, I have a 555x5 matrix A = [Lat Lon Bm Lower Upper] Bm represents biomass data. Lower and Upper represent the...

ungefär 8 år ago | 0 answers | 0

### 0

answersQuestion

Average multiple cells in the same lat and lon

Hello, I have a 3422x5 (double) numeric matrix A = [Latitude Longitude Biomass lower_boundary upper_boundary] the lower a...

ungefär 8 år ago | 1 answer | 1

### 1

answerQuestion

Splitting cell array of both strings and numbers by a delimiter

Hello, I have a cell array that consists of both strings and numbers. I need to split into two different columns by the delim...

ungefär 8 år ago | 1 answer | 0

### 1

answerQuestion

Change non-numerics into NaN & split cell array by delimiter

I have a 3000x1 cell array of depth in centimeters with both letters and numbers EX: A = {organic layer, 5~10, 15~20, 30~5...

ungefär 8 år ago | 2 answers | 0

### 2

answersQuestion

Averaging duplicate entries with standard deviation

I have a 3423x3 dimension dataset (lon x lat x soil microbial biomass) There are several datapoints that have the same lat x ...

ungefär 8 år ago | 0 answers | 0