# Tagged Questions

14 views

### Get a set of points from Fourier plot on Matlab?

I have a program that collects raw data and also does a Fourier transform to get complex numbers. When I feed the raw data into Matlab to do its own FFT, I can get a nice plot of power on frequency. ...
33 views

### normalize function -inf to inf to integrate to one.

I have a function of the probability distribution (method of k nearest neighbor). How I normalize this function , that the area under the graph is equal to unity. I mean it will make the prob from ...
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### Matlab plot3 see-through element

I am plotting the following Stewart platform in Matlab using plot3 and fill3. The green line that I have marked in the red ...
2k views

### Plotting joint distribution of 2-D random variable

I have some data which is basically a list of order pair (X,Y) and I want to see the joint distribution of this 2-D random variable. Is there any tool that provide this facility. Does Matlab has this ...
282 views

### How to a plot a line for ax+by-c in MATLAB?

The title basically says it all. I'm doing an assignment and need to include a plot of my scatter and the line generated by linprog(). I ran ...
201 views

### Matlab coding help

I need to graph the following functions on MATLAB: x(t)=(3/2)sin⁡(2t); y(t)=(-4/√15)e^(-1/2 t) sin(√15/2 t)+2e^((-1/2 t) )cos⁡(√15/2 t); h(t)=x(t)+y(t). I have the data points for this functions. I ...
181 views

### How to do I this linear least- squares problem?

This is what i am given: $y=[3, 5, 5, 8, 10, 12, 15, 16, 18, 19]$ and $t=[1, 2, 3, 4, 5, 6, 7, 8, 9, 10]$ experimental data Solve x=A\b Thanks got it
10k views

### How to use polyfit() function in Matlab?

First of all i am new to Matlab, and not sure whether to use polyfit or something else for my problem. I plotted a graph with the following matlab code: ...
1k views

### Making sense out of plotting 3D graphs in octave/matplotlib

Recently I have a few times I wanted to plot 3D graphs in some applications (tried matplotlib and octave), noticing similar syntax, but I don't understand what it does so its hard to modify it ...
1k views

### What does the Matlab loglog plots do that is useful?

If there is a exponential relationship $y = e^x$ and we take the logarithm of this we can see a linear relationship $\ln (y) = x$. So we could plot the logarithm of the y-axis values against the x ...