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Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

13年弱 前

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Is it an Armstrong number?
An Armstrong number of three digits is an integer such that the sum of the cubes of its digits is equal to the number itself. Fo...

13年弱 前

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sending data via serial port
To put a time interval in your script, I would suggest looking at the <http://www.mathworks.com/help/matlab/ref/pause.html pause...

13年弱 前 | 0

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About vector comparasion question.
Have you tried using the 'or' operator? if size(a,2)==3 | size(b,2)==3 ... elseif size(a,1)<=size(b,1) ... end Sorry...

13年弱 前 | 0

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How to remove background color from an image
I think this <http://www.mathworks.com/videos/image-processing-toolbox-overview-61214.html tutorial> will help you. Look through...

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What does this mean? "In an assignment A(I) = B, the number of elements in B and I must be the same"
In the p(i+1) section, the y that you are multiplying by is actually a matrix. I think there is a mistake there because you p...

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getframe in MATLAB movie
Just set your getframe(gcf) to whichever window you want to capture. For example, if you want to capture the plot in figure 1...

13年弱 前 | 0

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i am working on a college project, how can i count the no. of objects such as no. of cars in an image? how may i compare previous image and present image and tell the no. of new objects in present image? may i get a code for it?
I think looking at these examples should help you get started: http://www.mathworks.com/products/image/examples.html

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how to shift an array value upward ?
Just use a=a(1:end-1) to remove the last value.

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A normalizing constant to a histogram
The way I understand it is that you want the plot to have more white space. Have you considered redefining the axis limits? T...

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Is it possible to show point id in figure
hold on % Get the values from the matrix point_id=Matrix1(:,1); x=Matrix1(:,2); y=Matrix1(:,3); % Set the text to show up...

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change colour of a text into blue
Try doing it in one line text(10, 0.06, 'Normal distribution', 'Color', 'b')

13年弱 前 | 1

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how to convert gray scale image into rgb image?
Gabriel made a script for that. You can find it <http://www.mathworks.com/matlabcentral/fileexchange/28111-gray2rgb here>.

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Coordinates of an area graph
My solution would be to use the find() function. Since you have the max, you can search the data for where that value exists and...

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Getting an if statement to accept a word.
Just change your inputs function to be: fit=input('Would you describe your fitness level as low, medium, or high?', 's') ...

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How do i remove rows from a column based on the value of a corresponding column?
Remove=find(A<=120.0000); B(Remove)=[]; If you also want to remove these values from matrix A, then A(Remove)=[];

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Integrate in time domain
You can use the <http://www.mathworks.com/help/symbolic/int.html int(expr,var,a,b)> function. So in your case, it would be ...

13年弱 前 | 0

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hello, i have 4 figures and need to combine them to one. How can I do it?
If you mean to plot 4 data sets onto the same figure, use the hold on after every plot (or you can do it all together): x1=...

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How to reshape a matrix?
I would recommend looking at these two documentation: <http://www.mathworks.com/help/matlab/ref/reshape.html reshape(A,m,n)> ...

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can i pause matlab excution while it is already running
You can pause the script/function that you're running for a specified amount of time without quitting the script. You can use...

13年弱 前 | 1

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How do I select rows with particular step size?
If A is the 25000 X 5 matrix, then you can just use: A(1:20:end, :) to get 1,21,41,... from all of the columns. If you w...

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質問


How can I get notifications when someone replies to an answer or to a comment?
When I'm answering questions in the forums and such, I haven't received any notifications when someone comments after my comment...

13年弱 前 | 2 件の回答 | 1

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How to display the answer got from .m file in GUI -- in edit box
I would suggest that your .m is a function that gives a specific output. So, from the previous post (depending on how many outpu...

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質問


Combining two different matrices of different sizes
I want to combine two different matrices with a different number of columns so that the output has the lower number of columns. ...

13年弱 前 | 1 件の回答 | 0

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How to transfer axes from GUI to figure and save as PDF
I had this problem a while ago. I couldn't figure out how to solve it. I figured the best way was to open up a new figure (In...

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When using saveas command in a driver file to save figures, is there a way to automatically name the saved figure after the values of a parameter defined in the function file?
I would suggest predefining a variable and using strcat to update the values. Instead of what you had before, you can just pu...

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import data using GUIs
I would suggest using the uigetfile function and then using the load function by using a pushbutton. Using GUIDE, make a pu...

13年弱 前 | 1