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how can we plot it ?
You can not plot it. The lay out of your problem is not right. Your equation has zero crossing (=solution)according to Walter Ro...

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Input multiple items and solve a function for those values?
function [F1,F2,Fd] = my_faran(C1,C2) F = @(C) ((9./5).*C)+32; F1 = F(C1); F2 = F(C2); Fd = F1-F2; Call the fun...

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How can I plot this equation? keep getting ??? Error using ==> mtimes Inner matrix dimensions must agree.'
Define your variables with _linspace_: T=linspace(0,24,100); omega=((12-T)/24)*360; phi=linspace(-180,180,100); ...

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exp function bode plot
I forgot to add the solution to your question. Here it is: % G(s) = (1-s/fref) / s*exp (-s/fref); G = tf( [-1/fref 1],[1...

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exp function bode plot
exp(-s/fref) is not a polynomial, you can not use _sym2pol_ in that case num = sym2poly(exp(-s/fref)); % -> not v...

environ 13 ans il y a | 0

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save output of a code within the code?
First, add a handle to the figure, then, use _saveas_: rp = spm_load(spm_select); h = figure; subplot(2,1,1);plot(rp...

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How can I do a summation of a signal.
The way of performing a summation is this: t = 0:0.01:1; A(1:length(t)) = 0; w(1:length(t)) = 0; y = 0; for i =...

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How to divide 256X256 matrix into sixteen 16X16 blocks?
You need to use _mat2cell_: X = reshape(1:20,5,4)' C = mat2cell(X, [2 2], [3 2]) celldisp(C) This code returns...

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plotyy with 4 outputs
Try something like this: plot(x1,y3,'m',x1,y4,'r') hold on plotyy(x1,y1,x1,y2) hold off

environ 13 ans il y a | 0

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Numeric index Slider GUI
If "my_slider_k" is the tag of any of your sliders, slider_k_value = get(handles.my_slider_k,'Value'); then, set this v...

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Why do i get the error "Index exceeds matrix dimensions. Error in fingerprinting (line 6) song1=song1(1:44100);" in my code
Your code says: song1=song1(1:3*44100); what assumes that song1 is at least a 1x132300 array. It seems that song1 is sma...

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comparing between two arrays
a=[2 3 4 ; 9 8 7]; b =[ 5 2 1 ; 6 3 2]; c=[ 4 7 1; 1 2 3]; dist_ab_cluster_1 = norm(b(1,:)-a(1,:)); dist_a...

environ 13 ans il y a | 0

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Replacing elements in matrix with relational operations
M=randi(10,3); n1 = 5; c1 = 4; c2 = 3; M1 = M<5; D1 = c1*M1; M2 = M>=5; D2 = c2*M2; new_M = D1...

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read data send from zigbee
ZigBee uses a serial protocol. Just create an serial object and read the input buffer. read the serial documentation to creat...

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storing values from loops
Use a temporary variable: for a=[1:100]; %coding here left out FMJ_cars_wait_2 = @(T12,MJ_V12) (lambdaMJ_sec(a) -...

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add data points to a graph
<</matlabcentral/answers/uploaded_files/182/Sin%20t%C3%ADtulo.png>> Select the "Data Cursor" on the figure window and click o...

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How do I select elements out of a matrix with a loop?
You can try the following: A = rand(16); % a 16x16 random matrix B = reshape(M,4,4,16); % you will get 16 4x4 matrices....

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How can I select a point in the figure by mouse?
You need to make use of datacursormode and getCursorInfo functions. Look in matlab help for examples on how to ...

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last number is out of matrix range range
you can round the last element: n1=492; n2=354; x = ones(20,1); X=n1:(n2-n1)/(length(x)*1.25):n2; X2 = floor(X); X2 ...

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How to I solve a equation?
Take a look at the following links and try to do their examples: http://www2.math.umd.edu/~immortal/206/tutorial/Solvin...

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Extrapolate a sets of data
You can concatenate the two sets and plot the resulting set. This way, the points will be linked. Use _cat_ to concatenate: ...

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what is meant by 3e4 in matlab?
3e4 = 3*10^4 = 30000

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How to update Title and Subtitles each time in a loop for publishing document
For now, Matlab does not support adding changing titles iterating. You can not change the title on every iteration. Your line ...

environ 13 ans il y a | 0

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Center of mass in binary image
use _text_ command: your_string = strcat( num2str(centroids(:,1)),'-', num2str(centroids(:,2))); text(10,10,your_string)...

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content of makehdr function
I think it does not, you can check the code out by typing: type makehdr

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thin the boundary of objects of black & white images
Use _imerode_. From Matlab documentation: IM2 = imerode(IM,SE) erodes the grayscale, binary, or packed binary image IM, re...

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detecting speed of car
You have to know the length of the road, then, measure the time taken by the car to go along that stretch of road. velocity...

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Clear a line drawn in plot.
Implement this in the pushbutton: children = get(gca, 'children'); delete(children(1)); The first line grabs the last...

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Convert an Image to a binary (.bin) file
Try this out: I= imread('cameraman.tif'); level = .5; BW = im2bw(I, level); %choose your own options when writing to...

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Excel data to matlab
Import your data as string using the sintax: [num,txt] = xlsread(filename,sheet,range) Once in Matlab, you can change ...

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