Help plotting several equations on a single graph
Hello, I'm trying to plot several differential equations onto a single graph but I have no idea how. Here are my functions. function dxdt=f(t,x) dxdt=[0.018*x(2)-0.0035*x(1);-0.018*x(2) ]; function...
View ArticlePlotting a wind turbine blade in MATLAB using surf (difficult)
I am trying to create a surface plot of a wind turbine blade in MATLAB. The inputs that I have are as follows. I have a chord and twist distribution along the span of the blade at 21 radial stations (r...
View ArticleNeed help with segmentation in CT images
I'm a bit in over my head here. I have a set of CT data (~220 slices) and i want to segment the liver (not using other people's code/functions). The thing is that the liver is very similar in intensity...
View ArticleNeed help with border image processing
We are processing a series of photos of microstructures and we are having trouble with border analysis when two emulsions collide. Currently they are being fused and taken as a single bubble instea dof...
View ArticleMaking answers appear with certain text
So for my homework I have to solve a system of equations (which I figured out) but my problem is that I have to display the answers as a sentence. For example, if I have what x, y, and z equal, I need...
View ArticleWhat should I do after an intro class?
I'm a undergrad sophomore right now finishing up an introductory course in matlab, and I'd like to explore more of what's out there. I looked at the crash course and the topics listed at the end, but I...
View ArticleGenerating standalone of a matlab vlfeat application
I need to generate a standalone version of my matlab vlfeat application. My compiler does not complain while generating the standalone, in fact, my standalone runs perfectly until the point where I...
View ArticleThanks for all the help :)
Just wanted to say thanks for the responses I've gotten to some of my posts that have really helped me either through syntax, examples and tips, or generally jogging my mind with new ways to go about...
View ArticleNeed some help with a matlab project (Making a GUI specifically)
Hello everybody, So I'm taking matlab this semester and our final project is basically to make a GUI that runs something like an eye tracking file. The file is going to take a video and make some...
View ArticleHow can you import data without manually importing it?
I'm still learning the stuff for matlab. Lately, i've been having 20 data files which need to be computed and graphed. I dislike importing data one by one. Is there an easier method to achieve this?...
View ArticleHelp! Printing a plot within a GUI
I am working on a project that has to track the final location of many objects. The brute force method that we're using is taking a camera armed with a GPS logger and snapping a photo of each while...
View ArticleTrying to find an easy way to flip between many different plots (or set up a...
The code I have is very short: T=1; dt=.0001; L=pi; h=.01; x = 0:h:L; initdata = 2+sin(x*pi/L) + 1/2*sin(3*pi*x/L); dataray = initdata; prevdata = initdata; for index = 2:T/dt infostr = fprintf('%d /...
View ArticleI would like to plot a cylinder which has an ellipsoid cross section and a...
The surface plot I would like to make has an ellipsoidal cross section of 0.3 and 0.25 with a fixed length. I have been trying to figure out the commands for it but I am having a very difficult time...
View ArticleHelp with writing a function dealing with opening files
Hey I just wanted to get any opinions or suggestions about this code I had to write. The prompt was this: a) Write a function named ‘hw3a’ which has input parameters {filedir, N, delim, sub_M}. Your...
View ArticleDon't understand my error in writing my for loop
So I wrote this code but it doesn't seem to be working correctly. The marker sizes are all coming out the same size and an error occurs when the matrix inputted has a value of zero as one of its...
View ArticleHelp, I have a problem with reading in my vector fields of PIV.
I have .dat files which contain the following vectors with a header. I have problems that matlab recognizes them correctly as variables. When I select space for separation sign it doesn't find anything...
View Articleprogrammatically work with _sfit_ sessions
Does anyone know how can one work programmatically with sfit sessions? For example, there are some fits and one would liketo get the fit parameters without the gui (i.e. exporting the fittype objects...
View Articlehow would I find the area of this in matlab?
I'm not sure how to set limits of integration, or how to integrate an interpolated line. http://i.imgur.com/UAt3m.png Thanks submitted by waspinator [link] [9 comments]
View ArticleHaving trouble with my GUI and uibuttongroups and radiobuttons...
I have a GUI with three separate uibuttongroups. Within these uibuttongroups are radiobuttons (1-3, 4-9, and 10-14). I'd like to store the user input from these three separate uibuttongroups as...
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