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Question
How to make a 3D mesh to be used in 3D panel methods?
What I'm planning to do is creating a 3D mesh that I can later use in a 3D panel method to calculate forces, responses and so on...
1 jour ago | 0 answers | 0
0
answersQuestion
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...
plus d'un an 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...
plus d'un an 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...
plus d'un an 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...
plus d'un an 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...
plus d'un an 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 ...
plus d'un an 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:...
presque 2 ans 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...
presque 2 ans 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)...
presque 2 ans 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...
environ 2 ans 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...
environ 2 ans 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...
environ 2 ans 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...
environ 2 ans 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...
environ 2 ans 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 ...
environ 2 ans 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...
environ 2 ans 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...
environ 2 ans 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) = ...
environ 2 ans 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...
environ 2 ans 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 ...
environ 2 ans 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...
environ 2 ans 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...
plus de 2 ans 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...
plus de 2 ans 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...
plus de 2 ans 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...
plus de 2 ans 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...
plus de 2 ans 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...
plus de 2 ans 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). ...
plus de 2 ans 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...
plus de 2 ans ago | 1 answer | 0
1
answer
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