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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...
1 year 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...
1 year 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...
1 year 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...
1 year 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...
1 year ago | 1 answer | 0
1
answerQuestion
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 ...
1 year 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:...
2 years 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...
2 years 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)...
2 years 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...
2 years 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...
2 years ago | 1 answer | 0
1
answerQuestion
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...
2 years 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...
2 years 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...
2 years 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 ...
2 years 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...
2 years ago | 0 answers | 0
0
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...
2 years 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) = ...
2 years 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...
2 years 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 ...
2 years 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...
2 years 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...
2 years 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...
2 years 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...
2 years 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...
2 years 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...
2 years 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...
2 years 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). ...
2 years 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
1
answer
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