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How can I make a variable defined in one script make change also in a second script?
Hi, use global variables. declare p2 as global. <http://www.mathworks.co.jp/help/techdoc/ref/global.html>

13 years 前 | 1

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error in calculating distance
Hi, Similar question was asked. <http://mathworks.com/matlabcentral/answers/22844-how-to-find-euclidean-distance-in-matlab...

13 years 前 | 2

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change the order of a row vecor
Hi, let say your row vector is: a=[-90 -54 -12 -2]; b = sort(a,2,'descend'); vector b contains your desired output...

13 years 前 | 2

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Exporting image to bounded pdf
follow code generated good pdf check close all; t=linspace(0,2*pi,500); P=1/17*exp(-t).*(4*sin(4*t)-cos(4*t))+18/...

13 years 前 | 2

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Exporting image to bounded pdf
There are couple of ways to do it 1. plot something do this code plot([1:10]); set(gcf, 'PaperPosition', [0 0 5 5])...

13 years 前 | 5

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plotting 20 graphs on singe screen with different colors
Dear Somayeh, col=hsv(20); figure; hold on; for ss=1:20 for y=1:25 for t=1:12 s_sim{ss}(y,t)= ...

13 years 前 | 2

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plotting 20 graphs on singe screen with different colors
Dear one possible ways is this... col=hsv(20); figure; hold on; for i=1:20 plot([0 1],[0 i],'color',col(i,...

13 years 前 | 4

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已回答
Refresh legend from the command line
Dear, legend('-DynamicLegend'); it will refresh. And update the contents dynamically, either you delete something from...

13 years 前 | 4

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Help me too install MATLAB in linux
Dear follow this tutorial. It would really help you. https://help.ubuntu.com/community/MATLAB even if you fail, then I a...

13 years 前 | 2

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Defining function handles in MATLAB
Dear Richard, To define a function in matlab you can do following syntax of given function: function n = F(x) n= 2*x^3+...

13 years 前 | 3

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help section
Dear Tom, Matlab has so many online tutorials. Including interactive videos. I have posted some. But you can find many more....

13 years 前 | 2

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'legend' problem
Dear Silva, The best way is that when you plot give the name to the curve instantly. let say plot([1:10],'Color','r','D...

13 years 前 | 5

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how can i browse an image in gui
Dear Usman, If I understand you correct. You mean how to browse image from GUI right? If yes then it is as follow: a=...

13 years 前 | 1

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generating matrix randomly
Dear What I understand is you will randomly swap the pixel values of images 6 times. At the end you will have 6 images. Again mu...

13 years 前 | 2

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generating matrix randomly
There are many ways to do it. One possible way is. myface = imread('myface.jpg'); myRan = randperm(prod(size(myface)...

13 years 前 | 1

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Problem in displaying a substring
Dear.. there can be multiple way. The easy way I think is to parse the string by dividing into tokens. Here is example you reque...

13 years 前 | 3

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index must be a positive integer or logical.
Dear Dark. In your previous example you have vector *v*. and to access each element in any vector you have to give positive in...

13 years 前 | 2

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index must be a positive integer or logical.
Dear one possible way is this. clear all; close all; figure; hold on; index = 1; for t=1:0.1:2*pi if t<pi ...

13 years 前 | 3

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How to speed up calculations?
Dear, If you process are sequential then It would be problem. The best way to improve the speed is to avoid loops. As in mat...

13 years 前 | 2

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unequal arrays and basic calculations
Dear I guess if your matrix num after reshaping maintains it dimensions then reshape function should not be a problem. The examp...

13 years 前 | 2

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Reading a select number of characters from a string
Dear Let say your file name is "someFile.xls" then following code should work. [m mess] = xlsread('someFile.xls', 1); The...

13 years 前 | 2

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Reading a select number of characters from a string
Dear Louis, Let say you have string Variable a; a = 'HelloMoto'; if you want to take first 5 character of this. It is...

13 years 前 | 7

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Circle packed with Circles
Dear Carlas, The easy way is to use this link. <http://www.mathworks.com/matlabcentral/fileexchange/2876-draw-a-circle/conte...

13 years 前 | 1

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how to find euclidean distance for an image
Dear FIR, Sorry FIR I can't overview your code you sent to me. To compute the Euclidean distance between images or image feature...

13 years 前 | 2

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Plotting a normalised histogram graph
Dear John, Let say you have distance in D. You first have to take Histogram. For histogram if you know the number of bins then ...

13 years 前 | 4

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Normalizing data
Dear John, Lets say you have matrix D and you want to normalize each value of Column to unit length (between 0-1). One possib...

13 years 前 | 4

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how to find euclidean distance for an image
Dear Fir, You have Query image Q, you want to compute euclidean distance of Q with all images in database. Is that you want ? I...

13 years 前 | 1

已回答
how to find euclidean distance for an image
Dear FIR, Similar question was asked by one fellow. The solution you can see from following URL. I hope it might help you. ...

13 years 前 | 1

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How to Envelope a Dataset?
Dear Aviator, Sorry I was away so could not reply on time. Actually you can play trick with this. k = convhull(x,y) So ...

13 years 前 | 2

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