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beginner's question regarding plotting the start and end points of the lines detected
After doing the plot: a = axis; a([1 3]) = 1; axis(a) All that does is stop the plot the plot showing x & y values ...

거의 12년 전 | 0

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Cropping rectangular part of an image
If you want to get a _rectangular_ part of an image, all you need is: cropped = original(top:bottom, left:right,:); I...

거의 12년 전 | 0

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Find rotation matrix using fsolve
When some angles get close to values near +/-90 degrees, using rotation matrices to calculate euler angles is prone to error ...

거의 12년 전 | 1

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How can I enable excel macros from matlab?
I have a problem where I need to supply a user with a template excel spreadsheet, and allow them to edit it in specific ways. I ...

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How can I save only one piece of data from the command window to a file?
Before your loop: fid = fopen(filename,'w'); In the loop: fwrite(fid,['Rejected ' num2str(rejected) ' trials, and some ...

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Strange: Execution time per iteration increases, when GPU arrays are being used
I suspect that it has to do with caching. A slow main DRAM of 1GB or whatever will have "slow" write access times (tens-hund...

거의 12년 전 | 0

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Unsure of how to use and understand rand function
A= RAND(1000,1000) Does like you think. It creates a 1000 x 1000 matrix. The rest of the problem is trying to get you to...

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Plot a table into 16 rectangles
If you want to do it as a proper 3D plot, you're probably best off by building up patch objects. e.g. patch([0 1 1 0],[...

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Summation loop (sigma notation) help
If you want: (a)^n + (a+a)^n + (a+a+a)^n.... What you actually want is: a = 0.5; % or whatever sum = 0; n = 2; for ...

거의 12년 전 | 1

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Detect every second character from a string
This counts spaces & punctuation as characters (starting with the 1st character). string_var = 'The sun is shining. I feel ...

대략 12년 전 | 0

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Fit a circle to 3d dots
Without looking at the data, it looks like the size of your circle would be larger than it should be because of the spots being ...

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Sir I am here to share my problem you that is " how a matlab code will be for auto motion detection in cctv cameras" if any one know this then plz guide me
If your camera gives you black & white images, then you can detect motion quite simply by subtracting frame 2 from frame 1 (or t...

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put me out of my misery
Looks like you actually want: plotyy or subplots: plotyy(x,y,x,z) % plot angle against radius on the left hand y axis, and p...

대략 12년 전 | 0

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Matlab just says there is an error, but I don't see one. How do I know more about the error.
Try calling, on the command line dbstop if error The program will stop and let you see what's going on at the point it t...

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Can you help me solving that?
C = A * B'; % will give you a 1x1. C = (A' * B)'; will give you a 10x6. C = A'*B; will give you a 6 x 10.

대략 12년 전 | 0

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how to loop it
Change: x_new = x(i) * cosd(y(i)) y_new = y(i) * sind(y(i)) to x(i+1) = x(i) * cosd(y(i)) y(i+1) = y(i) * sind(...

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How remove plateaus on plot?
I can't download your example, but the answer shouldn't be too difficult: data %- This is your vector of values. initial = ...

대략 12년 전 | 1

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how can I change the line properties of a figure?
Theres no one obvious, quick fix. get the properties of the figure: fig_props = get(fig_no); fig_props will contain th...

대략 12년 전 | 0

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what is assignment error in the following code?
Changing outage(j) to outage(j,:) or outage(:,j) will corect the error. The problem is that you're adding a scalar to a vecto...

대략 12년 전 | 1

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How can I import a structured binary file into matlab
Not sure about quick n easy ways of doing it, but: fid = fopen(filename,'r'); elements = fread(fid,1,'*uint32'); for i ...

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Calling Simulink model in a function
Simulink uses the base workspace. You can assign the variable in the base workspace using assignin or evalin. Alternatively,...

대략 12년 전 | 1

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How do I switch x and y axes?
I'm not sure what your exact issue is. The right combination of functions "view", flipud, fliplr, and transpose: data' shoul...

대략 12년 전 | 1

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How Do I Use Fft Function In Matlab To Find The Frequency For A Set Of Data Points?
If what you have is the times of occurrences, then a fft is inappropriate. - FFTs require regularly sampled data. I don't kn...

대략 12년 전 | 0

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Where can I find documentation for the feature function?
The function "feature" can be used to probe how much spare memory there is in a PC. I want to use this function to probe how...

대략 12년 전 | 답변 수: 1 | 0

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Starting up sotware written in Basic language from MathLab
You can use matlab to start any executable by using the system function of the "bang" "!". eg.: !dir eg.: system('C:\myexe...

대략 12년 전 | 0

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Distinct NaN from other values in image
This can let you plot NaN & any other logically findable section of the image as white a = rand(5); a(3,3) = NaN; b = i...

대략 12년 전 | 8

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Replace certain elements of vector with the values from another vector
A(C) = B

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Will upgrading Matlab or Excel fix this problem?
'isappdaclearta'? Ok. That looks like 'isappdata', but that you've tried debugging, typed clear, wondered where the mouse wa...

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How to generate .m file from GUIDE GUI?
Look for an *.asv file with the same name.

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Function that will receive two function handles as input arguments and plot? - Homework
"Undefined function or variable 'Q1'." Looks like you have referred to Q1 without meaning to. A function containing ...

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