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Question

How to replace values of a vector based on the values of another vector?

I have two vectors that together create a cartesian grid, such as this. xmin = 0; xmax = 500; ymin = -200; ymax = 200; c...

9 months ago | 1 answer | 0

### 1

answerQuestion

How to set ticks in imagesc colorbar based on a matrix value?

I'm using imagesc to display a graph/image, and I'm having trouble with the piece of code dislpayed here - specifically the tick...

11 months ago | 1 answer | 0

### 1

answerQuestion

How can I interpolate a datetime data series to have an interval of 1 minute in MATLAB?

Hi everyone, I'm analyzing a sample dataset from a .csv file (Attached). The columns are: "Ref number, MMSI, Latitude, Longitud...

11 months ago | 1 answer | 0

### 1

answerQuestion

How to create matrices from a table and extract specific data from it to make plots?

I'm sorry if the title is confusing. But I'm stuck at a point and I will appreciate any tip or help! I'm reading a series of AI...

11 months ago | 1 answer | 0

### 1

answerQuestion

Create matrix from 2 columns of a csv file

A CSV file includes all my data in seperate columns and I'm trying to extract them separately for analysis. I'm using MATLAB R20...

11 months ago | 1 answer | 0

### 1

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How to implement exponential smoothing for data without a trend/seasonality?

Hi everyone, My data is the form of AIS and I'm only focusing on Speed (SOG - Speed Over Ground) and Course (COG - Course Over ...

12 months ago | 0 answers | 0

### 0

answersSolved

Times 2 - START HERE

Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

1 year ago

Question

Solving second order non-linear equations (time-domain)

Hi everyone, Im starting to learn ODE solving using MATLAB. I'm new to this, although I'm fairly comfortable using MATLAB. (I'm...

1 year ago | 1 answer | 0

### 1

answerQuestion

Draw the trail of a moving marker on an animated 2D plot

Hi everyone! So, I'm creating a 2D plot where the marker moves from one point to another (nothing fancy, just pausing the plot)...

1 year ago | 1 answer | 0

### 1

answerQuestion

Contour plot ignores a set of data points

Hello, I'm constructing a contour plot using location (longitude and latitude) and respective depth data. However, the output c...

1 year ago | 1 answer | 0

### 1

answerQuestion

Reverse the Colormap of Surf plot

Hello, I'm constructing a surf plot using Location (logitude, latitude) and depth data. Following image is the 2D projection of...

1 year ago | 1 answer | 0

### 1

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Making the white background of a contour map transparent

Hello, I'm wondering if there is a way to make the white background of a contour map transparent. I want to export a contour ma...

1 year ago | 0 answers | 0

### 0

answersQuestion

Transparency of Image overlay on Google Earth (kmz file)

Hello, My purpose is to obtain a contour map using basic Latitude, Longitude, Height/depth data of a location and overlay the i...

1 year ago | 1 answer | 0

### 1

answerQuestion

Contour map to show ocean depth

Hello, How can I construct a contour map as follows that shows the Ocean depths at a particular location, using Longitude, Lati...

1 year ago | 1 answer | 0

### 1

answerQuestion

Contour plot with filled colors (for x, y, z data)

Hello everyone! I have a dataset that contains Latitude, Longitude and depth/height of a particular area. What I want to do is ...

1 year ago | 1 answer | 0

### 1

answerQuestion

Plot Bathymetry data on Google Earth using MATLAB

Hi, I have a set of bathymetry data (Latitude, Longitude, Sea depth) and I want to create a contour map using MATLAB with diffe...

1 year ago | 0 answers | 0

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answersQuestion

Solve Finite Element Analysis equation

Hi, I'm trying to solve the following FEM equation for 1D unsteady heat conduction using MATLAB. I'm new to FEM and to the math...

1 year ago | 1 answer | 0

### 1

answerQuestion

Parse error at '=' and ')' in FEM approach

Hi, Following is my code and it is related to FEM. T = zeros(10,5); T(1:10,1) = 10; T(1:10,5) = 50; T(1,2) = 73; T(1,3) = ...

1 year ago | 0 answers | 0

### 0

answersQuestion

Finite Difference Method to find Steady State

Hello, This relates to 1-D unsteady heat conduction using Finite Difference Method (FDM). I have to solve the following equati...

1 year ago | 0 answers | 0

### 0

answersQuestion

Finite Difference Method to find Steady State

Hello experts, I have to solve the following equation to find a converged solution. At i=0, T=10 and at i=5, T=50. (n=5) I ...

1 year ago | 1 answer | 0

### 1

answerQuestion

Create Contour map from Latitude, Longitude and Depth from CSV file

Hello experts, This seems like a simple task but I couldn't wrap my head around it. I have a simple CSV file with Latitude, Lo...

1 year ago | 0 answers | 0

### 0

answersQuestion

Create dummy files based on filename

Hello, I have a directory with text files. They are named as A1,A2,A3,A4,A5, B1,B2,B3,B4,B5,C1,C2... and so on. Set A is one gr...

1 year ago | 1 answer | 0

### 1

answerQuestion

Common reasons for "index exceeds matrix dimension" error?

Hi everyone, This is more of a concern than a question, actually. Apologies in advance if this is not appropriate here. I'm ru...

1 year ago | 0 answers | 0

### 0

answersQuestion

Write matrix to a Tab-Delimited text file

Hello again, I'm reading certain data from a csv file and I want to write some of the columns of the csv file to a tab delimite...

1 year ago | 2 answers | 0

### 2

answersQuestion

Convert CSV to TXT without changing data properties

Hello, I have a CSV file that contains random values, all of them being decimals. Some of them have one decimal value while oth...

1 year ago | 2 answers | 0

### 2

answersQuestion

Read and write csv files without changing properties

I've succesfully solved a big problem thanks to you guys and now I'm facing a slightly smaller but important one. (Following co...

1 year ago | 2 answers | 0

### 2

answersQuestion

Read and manipulate multiple .csv files

Hi, I have multiple *.csv files which contains almost similar data. All the csv files have random and dissimilar file-names. Is...

1 year ago | 1 answer | 0

### 1

answerQuestion

Sorting data based on time

I have multiple csv files and each looks like this. First column is an ID and the second one is the time (yyyymmddhhmmss). ...

1 year ago | 1 answer | 0

### 1

answerQuestion

Separating data from a CSV file

Hello, I have a huge CSV file and it has data stored as follows. Column A stores ID numbers and the Column B stores dates (y...

2 years ago | 1 answer | 0

### 1

answerQuestion

Script Skips a portion of code

The code that I'm running is a bit lengthy and I'll post the part where I'm having the problem with. If more information is need...

2 years ago | 1 answer | 0