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Here in my code I defined A vector and B vector for my linear programing, the relationship between them is Ax=<B which A is a inequlity vector and B is a RHS and x is variable. the Error is in photo which i attached .how can I solve it?
This problem is happening because |load_kw| is probably not a scalar, wheres your code seems to indicate it is a scaler. If It i...

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Building a Forest of Trees in MATLAB
This live script demonstrates the use of handle classes by creating and visualizing tree structures in MATLAB.

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Find the parameters of integration
Try this. This requires optimization toolbox. This uses the sum of squared error from your equations as an objective function. ...

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Passing a component as an argument in App Designer
I have attached an example app, in which I have three axes and I have written a simple function which plots random values on inp...

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How to setup system of linear equations in matrix form?
You can do it by making a matrix |A| of coefficients and a matrix |b| of the number on right side of the equations. A = [c...

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help to read and write to .txt faster
For faster writes, refer to Jan's answer to this question: <https://www.mathworks.com/matlabcentral/answers/83870-fastest-way-to...

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How to See Each Formulate Numbers on Regionprops
The following will give you a vector of all area values areaValues = [s.Area]; concatenation operator |[]| is important....

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How to fix this issue in the graph??
That is because you are adding nodes to |Gvsub| and saving it in |H|, the |Gvsub| variable does not change and in next iteration...

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Ignoring markers and lines in legend
From legend documentation, it appears that MATLAB does not support direct control over |legend| markers. They are decided automa...

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How do I scale coordinates for different image sizes?
You can use |interp1()| to linearly map the coordinates from old image size to new image size. x_new = interp1([1 900], [1 ...

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How to solve an equation with two vectors
|'%g'| is for numeric type, since your |v| vector is |sym|, therefore, you need to use |'%s'| syms t A=[-7,3,-1]; B=[1,0,5...

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fzero: Not Enough Input Arguments
Since your number of equations (100) is greater than the number of variables (5), the best you can expect is a least square solu...

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How to create a multiple linear regression model
Your use of |fitlm()| is correct. Alternatively, if you don't need all the extra information provided by |fitlm()| and speed is ...

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how to resample points with preset angle
Try this x = points(:,1); % first column of points you shared y = points(:,2); % second column of points x_new = int...

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gca.XLimMode does not work
If you check the |xLimMode| after running your code, you will see that it has changed back to |auto| after the |plot()| statemen...

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How to pad extra 0 after 5 consecutive 1's in an array
Try this a= [1 1 1 1 1 1 1 1 1 1 1 1]; b = a; count = 1; while true index = strfind(b(count:end), [1 1 1 1 1])+5; ...

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Increasing increment values with vector operations
difference = 11:2:29; a = 25+[0 cumsum(difference)] a = 25 36 49 64 81 100 121 144 169 196 ...

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Not able to add 2d array to 3d array
The error is probably caused because the dimension of |cycle| are not |[50000 x 4]|. Also, if |cycle| is has a constant value th...

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Multiple line plots of matrix with color depending on other vector
The order of plot colors is decided by the |ColorOrder| property of the |axes| object. You can access this property as ax =...

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How can I change the rows of a nchoosek matrix to zero, according to a specific pattern, and avoid nested while loops?
Here is my attempt to generate the pattern as described in your question, there might be more efficient ways. combs45 = nch...

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fun(@x)
If you have a vector of |x| and |y| values then you can use several functions to estimate |B|. The correct method to use dependi...

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The variable appears to change size in every loop iteration, I have no idea how to fix. I get this for divDIF Line 13 and a line 21.
This is not an error, this is a warning which |mlint| produce to increase the speed and efficiency of your code. It is better to...

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Trajectory designing Matlab code
You can use <https://www.mathworks.com/help/simulink/slref/fromworkspace.html From Workspace> block to transfer trajectory signa...

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hi..Im new in matlab programming. Can someone help me plot 3D graph of y=x-x^2, where z is form negative infinity to infinity.
If you want to plot something the 3d surface plot of this equation z = y - x + x^2 then try x = linspace(-0.5, 0.5)...

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is there a way to get the values associated with the *minor* tick marks?
ax = gca; get(ax.XAxis, 'MinorTickValues') For R2014b and later, following also work ax = gca; ax.XAxis.MinorTickV...

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how to get an analytical solution
The existence of an analytical solution is not always necessary. I cannot prove mathematically but it might be the case that thi...

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Trying to isolate rows in a specific time
First of all, your |csv| file is not properly formatted. So it is difficult to use |csvread()| or |readtable()| directly. The fo...

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X and Y axis labels overwritten and illiegible
I don't have your data, therefore, can't test the complete code but I guess the problem is happening because your code is effect...

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How do you get a global average at each time step so they can be summed?
If you want to average at each time step as by omitting the |sum()| function. For example averageTimeSteps = mean(mean(mean...

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Number of precision digits( sum(sum(A)) not equal to sum(A:)
It might be happening because of finite precision of floating point numbers, Also, calling the |sum()| twice seems to be amplif...

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