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plot a graph with 3 variables.
Use _plot3_ command: plot3(x,y,z) Take a look at doc plot3 or help plot3

12 years ago | 0

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Help for creating a window
rectangle('Position',[x,y,w,h]) draws the rectangle from the point x,y and having a width of w and a height of h.

12 years ago | 0

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Answered
command inputdlg doesnnot work
It seems someone played with pcode.... Go to C:\MATLAB701\toolbox\matlab\uitools\ and delete the file inputdlg.p ...

12 years ago | 0

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GUIDE: Duplicated elements without duplicated functions
Every object within your GUI has to have its own callback function, and these have to be defined in your code. You have to code ...

12 years ago | 0

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How can I add text to a plot?
The error message you pasted refers to a *.m file called Untitled2.m. Do the following and tell us what you get: On the c...

12 years ago | 1

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k-means clustering: save the number of iterations in a matrix
[IDX,C,sumd,D] = kmeans(X,30,'display','iter'); where sum(sumd) is the sum of distances The number of iter...

12 years ago | 0

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Answered
how can i overcome this problem
Change the size of the swap partition: Under windows: <http://windows.microsoft.com/en-us/windows/change-virtual-memory-size...

12 years ago | 0

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Define a variable via inputdlg?
You can do it in a single line and use str2double which is faster than str2num: row = str2double( inputdlg('Insert row numb...

12 years ago | 1

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How to export the output of a program into a new, specifically-located Excel file?
Write mixed text and numeric data to test.xls, starting at cell E1 of Sheet1: my_file = "C:\my_docs\any_folder\test.xls"; ...

12 years ago | 0

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how to convert python code to matlab?
Sorry shriroopa b, but, did you realize you are asking us to do a task more than asking a question? Your code seems endless. It...

12 years ago | 3

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standalone application error dispaly
it depends on how you are handling the errors in your code. I would recommend you to take a look at try/catch documentation ...

12 years ago | 0

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Answered
Matrix Multiplications (Altar Output Matrix Size)
A = rand(100,1); % place here your 100x10 matrix B = rand(1,10); % place here your 1x10 matrix C = A*B; % C is your 100x...

12 years ago | 0

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compile for Ubuntu?
Take a look at this link: <http://www.mathworks.com/matlabcentral/answers/99739-can-i-run-an-application-created-with-matlab-...

12 years ago | 0

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HRV frequency domain anlysis (Power spectral anlysis)
I would recommend you to go to FFT documentation. On command window, type: doc fft You'll find a couple of examples that...

12 years ago | 0

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Answered
optimize and if statement
You can try with different combinations like: if abs((a-b)/b)*10^6 <1 if -1<(a-b)*10^6/b && (a-b)*10^6/b <1 if -.0000...

12 years ago | 0

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How do I make an excel sheet?
xlswrite(filename,A,xlRange) writes to the rectangular region specified by xlRange in the first worksheet of the file. file...

12 years ago | 0

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equation fitting and plotting
Did you consider the use of curve fitting tool? cftool On the command window, type: doc cftool You'll be given...

12 years ago | 0

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How can I connect Arduino with matlab if the entities are wireless?
Check for any bytes stored in the buffer with the _BytesAvailable_ option: a = serial('COM10','BaudRate',9600); fopen(a)...

12 years ago | 0

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creating a field in a structure
N_cars = 10; for k=1:N_cars car(k).Mileage = mileage_array(k); % insert your value here end

12 years ago | 1

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how to do it
a fastest way than linspace: ini = 24.94; last = 27.3; samples = 264; x2 = ini:(last-ini)/(samples+1):last;

12 years ago | 0

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put all images of a directory in listbox
my_pngs = dir('*.png'); % choose png files from directory pics_cell = cell(numel(my_pngs),1); for k=1:numel(my_pngs) ...

12 years ago | 0

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Is the Matlab magnetic levitation model example correct?
The force experienced by the ball under the influence of electromagnet is given by F = mg - Kf (i/y)^2 where i is the curr...

12 years ago | 0

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How to find euclidean distance
pix_1 = [p11,p12]; pix_2 = [p21,p22]; distance = sqrt( (p21-p11)^2 + (p22-p12)^2 );

12 years ago | 0

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Answered
Error simple program PID
I tried your code (copy-paste) and it works. Make sure you have the Symbolic Math toolbox: Start (bottom left corner)-> Tool...

12 years ago | 0

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How to compare two rows in a cell {n x 1}
M = rand(10,1); C = mat2cell(M,ones(10,1),1); % 10x1 cell a = C{1}; % content of first cell, a is not a cell, it is a do...

12 years ago | 0

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how can I save a file as .png format?
h=plot(rand(10,1),rand(10,1)) saveas(h,'my_fig','fig'); % your figure is saves as *.fig % code to print a saved *.fig ...

12 years ago | 0

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Initial Conditions parameter for ode23
There is a very clear example in the documentation: To simulate a system, create a function vdp1000 containing its equa...

12 years ago | 0

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Saving a matrix from a function file
Use _dot_ notation to operate with arrays: x = rand(10,1); y = rand(10,1); z = rand(10,1); F = x.*y + z; % MIND T...

12 years ago | 0

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How to display minimum valley point on the surface,which is drawn using symbolic variables
syms w0 w1; J = .9486-1.0544*w0+.8916*w1+w0*w1+1.1*(w0^2+w1^2); figure;ezsurf(J); hold on plot3(-0.5,-0.1,1.8,'r*'...

12 years ago | 0

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Answered
Unable to run genfis1 command
genfis1 do not accept cell data ( the {} defines a cell ). Do it like this: DATA=[[43 0],[55 25],[67,75],[79,100]]; ...

12 years ago | 0