Question

How can I find the equation of this curve shown in image below...?Is it possible?

<</matlabcentral/answers/uploaded_files/73045/iron_2.png>> Anybody can help me out with this?

4 years ago | 0 answers | 0

Question

what algorithm does the function boundary follow?

boundary function which builds up a curve or area around points...i just wanted if anyone knows which algorithm or formula it fo...

4 years ago | 0 answers | 0

Question

Can anyone tell me how does curve fitting models like polynomial fit,linear fit help in classification of some data ,That is using CFTOOL?Just curious in knowing..what are things or parameters we should be looking at ?

Was just trying some models on some data, am a noob in using cftool... had gone through various articles on this...got to know s...

4 years ago | 1 answer | 0

Question

How to calculate the area enclosed by these 2 curves ?Image attached below....

<</matlabcentral/answers/uploaded_files/72837/iron_1.png>> <</matlabcentral/answers/uploaded_files/72838/iron_2.png>>

4 years ago | 2 answers | 0

Question

Hi, I am finding area enclosed by convex hull using delayunaytriangulation,,,i have pasted the code...I just need someone to tell me..the area i got is right according to my code?

theta1=[88,89,90,91,92,94,96,94,90,89,-100,-102,-104,-105,-104,-102,-101,-100]; radius1=[5,7,11,17,26,39,46,44,32,3,0,18,34,...

4 years ago | 1 answer | 0

Question

I am trying to find area of this polygon, image is attached.. Can anyone tell how to use polyarea function on this ?I have pasted the code

<</matlabcentral/answers/uploaded_files/72800/Capture.JPG>> %%Aluminium theta1=[88,89,90,91,92,94,96,94,90,89,-100,-102,...

4 years ago | 1 answer | 0

Question

Like convexhull function convhull, i found boundary() for concave hull, but is there anyone who can tell me , how both functions have pros and cons? what is the difference between the two functions besides it being concave & Convex?

I am using both functions on my code, but i am getting the same result...I want to differentiate between the two.. and which is ...

4 years ago | 1 answer | 0

Question

Can I use minboundrect on polar plot ? I am trying to us it, but i am not getting a proper rectangle....Is it correct to use on polar plot?

I want a boundary in the form of rectangle, i am trying to use that function,its not working on polar plot.... any advice?

4 years ago | 2 answers | 0

Question

How to plot a circle of some radius on a polar plot ?

eg. i want a small circle with origin as center of some radius...ON the POLAR plot

4 years ago | 2 answers | 0

Question

I have a phase angle at some amplitude, Please check the image i attached , why is it not getting plotted at particular Angle? I have pasted my code as well,,,anyone help

phase = 26.52867848 amp = 0.463647609 theta_rad = phase ; polar(theta_rad, amp, 'r.'); Output is <</matlabcentral/answe...

4 years ago | 1 answer | 0

Question

Can anyone help me in this code ?

%% %To Calculate the points which lie inside and outside Tolerance [in,on] = inpolygon(real,imag,xch_larger,ych_larg...

4 years ago | 2 answers | 0

Question

How to get an enlarged view of plotted polar plot ?

I have polar plot, with some marking, but when the figure pops, i have to zoom and see the markings as they are very close to ea...

4 years ago | 1 answer | 0

Question

Hi, I am plotting a polar graph, i want the plotted polar graph to be enlarged so as i see clearly what is plotted on it, how do i do ?please help

I have polar graph with some marking which are very small , so i want the polar graph to be enlarged when i get the output along...

4 years ago | 0 answers | 0

Question

Hi, Like convex hull has a inbuilt function known as convhul, is there any function for rectangular hull ?

the points should join in the form of rectangle

4 years ago | 1 answer | 0

Question

If i want to know what algorithm or code is used in the back-end of any MATLAB in-built function....How can i know it? Is there any way or files ?

eg. delaytriangulation is an inbuilt function, if i want to know the code behind it...how can i get access ?

4 years ago | 2 answers | 0

Question

I have two signals ,Tx and Rx... and i want to pass both of them through LPF to remove the harmonic components.

Tx_sig = .5*sin(2*pi*5*t); Rx_sig = Coil(Tx_sig,type); I get a received signal after passing in through that function, i t...

4 years ago | 0 answers | 0

Question

Can anyone help ,why is this statement of inpolygon not working in my code?

I want to find if the points theta1 at radius1 whether they are inside the polygon or outside which is denoted by th_smaller at ...

4 years ago | 1 answer | 0

Question

Hi, I want the tolerance around this figure, I have posted the code ,where i am getting two figures on the upper and lower halfs of the original figure, which is shown in the attached image.Can anyone tell me what changes i must do ?

I have attached two figures 1. Error1.jpeg (which shows two figures on upper and lower half according to the code i posted) ...

4 years ago | 1 answer | 0

Question

Can anyone help me,how do i put a 10% tolerance around this plot? how should i do it?

Here is the image below attached: It shows a plot where i have fitted the curve around it. Now i want a 10% tolerance around...

4 years ago | 1 answer | 0

Question

How to fit a trapezium or a square or an ellipse around this? Is there any way ?

<</matlabcentral/answers/uploaded_files/68818/fit.png>>

4 years ago | 1 answer | 0

Question

please someone help me in doing curve fitting on a polar plot????....I am only finding ways of doing fitting in 2D or 3D.....

I have a polar plot with some angles marked at some radius....How i fit a curve around it....please help

4 years ago | 0 answers | 0

Question

whats the difference between the norm of residuals and r-square? and how does it tell the GOF?

When i open the curve fitting tool by cftool, in that there is nothing such as norm.of residuals. But,suppose if i open basic...

4 years ago | 0 answers | 0

Question

I want to fit curve on this polar plot around these points,As shown in the image,Can anyone help me please

Please can anyone tell me how to do it?Any way will be fine

4 years ago | 2 answers | 0

Question

can anyone tell me how do i do this?i want a similar thing..i have DB of some values..and i have to detect between two products

please can anyone suggest me any way to obtain similar results...

4 years ago | 0 answers | 0

Question

can anyone help me how to do rectangular curve fitting ? which function to use?

i have some data points on the graph and i want to fit a rectangular curve around it..

4 years ago | 1 answer | 0

Question

Can anyone help me in this code? Only the first radius value is being taken everytime, its not getting incremented..... what change i have to do?

load data theta=data(:,1); radius=data(:,2); t=length(radius); for i=1:1:t; %rho = radius(i)*on...

4 years ago | 1 answer | 0

Question

i have excel sheet with 1 column as phase angles, can anyone help me how do i plot those angles on polar plot?

i imported the data in MATLAB, but cant find a proper way to plot them on the polar plot.

4 years ago | 1 answer | 0

Question

Can anyone help me in my problem ? please check the figure i have attached...

i have plotted the points on polar graph, but now i want to get a straight perfect line on the 30 degree(right now it is like a...

4 years ago | 1 answer | 0

Question

if i want to plot a graph as i have shown in the figure, but at one particular angle without any radius...how should i do it ? l

like for eg. if i want to plot at 30 degree (an example)....

4 years ago | 1 answer | 0

Question

polar plot error "Undefined function or variable 'polarplot'." Anyone help pls ?

I typed this code in my script, and the error i got is Undefined function or variable 'polarplot'. theta = 0:0.01:2*pi; r...

4 years ago | 0 answers | 0