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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

10 years 前 | 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.

10 years 前 | 0

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

10 years 前 | 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 ...

10 years 前 | 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...

10 years 前 | 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...

10 years 前 | 0

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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...

10 years 前 | 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...

10 years 前 | 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"; ...

10 years 前 | 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...

10 years 前 | 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 ...

10 years 前 | 0

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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...

10 years 前 | 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-...

10 years 前 | 0

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已回答
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...

10 years 前 | 0

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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...

10 years 前 | 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...

10 years 前 | 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...

10 years 前 | 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)...

10 years 前 | 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

10 years 前 | 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;

10 years 前 | 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) ...

10 years 前 | 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...

10 years 前 | 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 );

10 years 前 | 0

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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...

10 years 前 | 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...

10 years 前 | 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 ...

10 years 前 | 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...

10 years 前 | 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...

10 years 前 | 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*'...

10 years 前 | 0

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已回答
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]]; ...

10 years 前 | 0

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