Jake
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Heatmap doesn't show the values
The heatmap figures I used to plot on Matlab had the values labeled in each cell (just like the documenation says), but now the ...
2 mesi fa | 2 risposte | 0
2
risposteDomanda
How to compare data series?
Suppose, I'm performing five time-domain simulations with 5 different coefficient values (say beta = [0.2, 0.3, 0.4, 0.5, 0.6])....
7 mesi fa | 1 risposta | 0
1
rispostaDomanda
How to find Quadratic Damping?
Hi, I have a time series data set from a motion decay test (sample attached). load('sampleData.mat'); % whos figure plot(...
8 mesi fa | 1 risposta | 0
1
rispostaDomanda
How to plot direction of forces on a body with polar plots or similar?
I'm simulating the forces acting on a stationary object. I have a data sample of a time series that includes Forces, and the dir...
9 mesi fa | 1 risposta | 0
1
rispostaDomanda
How to Curvefit amplitude output of a spring-mass-damper system to find coefficients?
First of all, I'm not sure if the title gives the right idea, and if this is possible. If that's the case, my apologies in advan...
9 mesi fa | 1 risposta | 0
1
rispostaDomanda
How to build and use a LowPass (or HighPass) Filter in real-time in a time domain simulation?
I'm new to control aspects and have not worked with filters before. I've been reading up on the documentation provided by Matlab...
9 mesi fa | 1 risposta | 0
1
rispostaDomanda
Why am I getting two different data arrays with the same set of data?
The title is a bit ambiguous, but I will try my best to explain. I have a 4-D complex data set (see attached). First, I'm wri...
oltre un anno fa | 1 risposta | 0
1
rispostaDomanda
A little help with translating a piece of Fortran code to Matlab
I know this is bit of an odd question, and I'm sorry if this is against any community rules. I'm troubleshooting a Fortran cod...
oltre un anno fa | 2 risposte | 0
2
risposteDomanda
How to interpolate from a dataset using interp3?
Hi, I have a dataset (4-D complex double) of dimensions 32 x 31 x 21 x 6. The first three parameters 32x31x21 defines two frequ...
oltre un anno fa | 2 risposte | 0
2
risposteDomanda
Help on solving nonlinear coupled equations with Runge-Kutta approach
I have the following piece of code. I'm providing a "piece" here, since the full code is quite lengthy and I think the following...
oltre un anno fa | 1 risposta | 1
1
rispostaDomanda
Help with solving a system of coupled equations of motions in time domain?
Hi, I've posted a similar post here, and I learned much through that post and comments. Now, I'm building on it and the system ...
oltre un anno fa | 1 risposta | 0
1
rispostaDomanda
How to combine two vectors column-by-column?
I have two matrices, A and B. A = [1,3,5,7,9,11,13,15] B = [2,4,6,8,10,12,14,16] How can I combine these two to give me a thi...
oltre un anno fa | 2 risposte | 0
2
risposteDomanda
How to sum up every other column of a matrix?
Suppose I have a matrix A, A=[1 2 3 5 1 2 3 5;3 4 6 7 1 2 3 5;5 6 8 9 1 2 3 5] How can I sum up column(1) and column(3) to for...
oltre un anno fa | 1 risposta | 0
1
rispostaDomanda
readmatrix ignores the first line of the data file
I'm trying to read a text filw with over 226,600 rows with readmatrix (sample is over 5MB so I couldn't attach it here). The fir...
oltre un anno fa | 2 risposte | 0
2
risposteDomanda
How to read a specially structured data file with different structures
I asked a similar question on the forum only to realize that I had worded it poorly and incompletely. My apologies for the repet...
oltre un anno fa | 1 risposta | 0
1
rispostaDomanda
How to read a specially structured data file
I have a *.5P file (file is an output from the software WAMIT, and can be read by Matlab and/or any text editor) that I want to ...
oltre un anno fa | 3 risposte | 0
3
risposteDomanda
Why doesn't my plot "go to infitnity"?
Probably a silly question, but I couldn't figure out the reason! I have, x = [0.00,0.10,0.19,0.29,0.38,0.48,0.58,0.67,0.77,0.86...
quasi 2 anni fa | 1 risposta | 0
1
rispostaDomanda
How to Interpolate coordiantes and values of a surface plot
Hi, I have a set of coordinates that creates a mesh - i.e. XYZ coordinates of a set of quadrilateral panels that creates a mesh...
quasi 2 anni fa | 1 risposta | 1
1
rispostaDomanda
How to sum up multiple cell arrays (column-wise)?
I have a set of data in the form of a 26x32 cell array. Each cell consists a 6x6 matrix. I have attached the dummy file here. H...
quasi 2 anni fa | 1 risposta | 0
1
rispostaDomanda
Can I change iteration value in following for loop?
Suppose I have the following code. nf1 = 3; nf2 = 4; panel_no = 1:12; R_vx = rand(144,1); for i = 1:nf1 for ii = 1:nf...
quasi 2 anni fa | 1 risposta | 0
1
rispostaDomanda
Help with storing data in a 4-D double matrix
I have a data set in the form of 8 columns. I have attached a dummy xlsx file to show the data structure. As it can be seen, th...
quasi 2 anni fa | 1 risposta | 0
1
rispostaDomanda
How to solve a system of coupled, differential equations of motions?
Hi, This follows a previous post that I posted, where I was wrong with formulation and assumptions. I learned the mistake there...
quasi 2 anni fa | 0 risposte | 0
0
risposteDomanda
How to solve a system of coupled, non-homogenous differential equations of motions?
Hi, First, I must say that I'm still learning the mathematics behind the governing equations, and I know I have a long way to g...
circa 2 anni fa | 1 risposta | 0
1
rispostaDomanda
How to check if two planes intersect with each other?
Suppose I have two planes defined by four points (each) as follows. For ease of explanation, I will follow a graphical approach....
circa 2 anni fa | 2 risposte | 0
2
risposteDomanda
Store mxn matrix within a for loop
How can I store results of a for loop when one iteration gives m x n matrix and not a 1 x n matrix? a = rand(20,12); for k=...
oltre 2 anni fa | 1 risposta | 0
1
rispostaDomanda
How can I store all outputs from a nested for loop?
I know this might be a common problem, and tried a lot of different answers posted under similar questions. Anyway, here's a bas...
oltre 2 anni fa | 1 risposta | 0
1
rispostaDomanda
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...
oltre 3 anni fa | 1 risposta | 0
1
rispostaDomanda
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...
quasi 4 anni fa | 1 risposta | 0
1
rispostaDomanda
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...
quasi 4 anni fa | 1 risposta | 0
1
rispostaDomanda
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...
quasi 4 anni fa | 1 risposta | 0
1
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