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Find Inflection Points from excel file
For your situation with discrete points, I would look for places where the curvature changes sign. With four successive points,...

fast 10 Jahre vor | 0

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How to generate a random numbers with increase in percentage?
Then do next_speed = 1.1*rand_speed

fast 10 Jahre vor | 0

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"Row index exceeds table dimensions." error eventougth size of table and index is the same?
If you want a row to be deleted only when it is entirely empty, then you should use this: data(all(idxToDelete,2),:)=[]; ...

fast 10 Jahre vor | 0

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Complex multiplication giving wrong answer
The trouble lies in the line V1=(1/3)*P1*[Va Vb Vc]' You should have used this: V1=(1/3)*P1*[Va Vb Vc].’ As yo...

fast 10 Jahre vor | 0

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Is it possible write subroutines with input arguments in MATLAB?
You should be able to use a matlab function for that purpose. The information that you use as input to call on it remains in yo...

fast 10 Jahre vor | 1

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Draw observations from Dagum distribution
According to the Wikipedia site https://en.wikipedia.org/wiki/Dagum_distribution the cumulative distribution function o...

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Cannot find explicit solution
I’m afraid you will just have to take solve’s word for it that it cannot find an explicit solution to your equation. I believe ...

fast 10 Jahre vor | 0

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How can i done this problem?
The integral(xdy+ydx) is equivalent to integral(1*d(x*y)). If the integral lower limit is x*y = 0*0 and the upper limit x*y = 1...

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fn = c1/((lamda^5)*((exp(c2/(lamda*T))) - 1)); I want to integrate this equation but getting Explicit Integral warning. here C1,C2,T are all unknown, integration has to be done in terms of lamda under the limits 0 to infinity. can anyone help me
Your integral can be transformed into one that doesn’t have any parameters as follows. Change your variable of integration from...

fast 10 Jahre vor | 2

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Relocating entire blocks of matrix without using loop
M = [M(:,1:n);M(:,n+1:2*n);M(:,2*n+1:3*n)];

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hello every body, I want to ask about how to repeat this equation by iteration in image processing in matlab:
For this particular kind of linear expression, there is an alternate formula which obtains the value of x(n) without computing a...

fast 10 Jahre vor | 0

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Counting number of elements in an interval across a range?
This is precisely what Matlab’s ‘histc’ (or ‘histcounts’) function is designed to do. Read about it at the site: http://w...

fast 10 Jahre vor | 1

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draw min squares in black and white
Do the following: m = 16; n = 33; A = false(m,n); A(1,17) = true; for k = 2:m v = 2:n-1; A(k,v) = ...

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Accumarray error for logspace binning
If the line M4M2_2n = M4M2_2; M4M2_2n( isnan( M4M2_2n ) ) = []; succeeds in shortening M4M2_2, then the required “one-t...

fast 10 Jahre vor | 0

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How to remove certain rows in permutation according to constraints?
t1 = cumsum(A==5|A==9,2); t2 = -1*(A==7); t3 = all((t1.*t2)>=0,2); B = A(t3,:); % <-- Final answer

fast 10 Jahre vor | 0

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Help projecting a vector onto another!
dot(u,v)/dot(v,v)*v;

fast 10 Jahre vor | 2

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How do I solve a matrix for it's variables?
You cannot determine x, y, and z uniquely from your given value of 'euler'. For this value they all reduce to three simple equa...

fast 10 Jahre vor | 0

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what is the mistake,
If A and B are your two square matrices C = A.*(B.');

fast 10 Jahre vor | 0

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Hi, I'm new
It’s a lot easier to do this one by hand and bypass matlab altogether: x^3+x^2-16*x-16 = (x-4)*(x+4)*(x+1) = 0 which giv...

fast 10 Jahre vor | 0

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How can I generate all permutations of a matrix, in which value "1" cannot be repeated in any column or row? Rest of the elements are identical, and a number between 0 and 1.
I don’t know how you want to arrange all the matrices that are to be generated so I leave that aspect to you. Suppose you wish ...

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Replace NaN with nearest numerical value to the left in the same row
Let A be your original matrix. The following is vectorized but I doubt if it is at all superior to, or even the equal of, your ...

fast 10 Jahre vor | 0

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I am not able to run the loop
The error message correctly tells you what is wrong. The variables mi and mj have not been defined in your main program and the...

fast 10 Jahre vor | 0

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selecting specific criteria in one column that is part of a matrix
Or, assuming all data in the first column is finite: A = A(A(:,1)<=70,:);

fast 10 Jahre vor | 0

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Problem with the plot of function besselj.
As can be seen on the left side of your graphs, the scaling in the vertical “Eje y” axis is changing. The bessel curves are not...

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How do I solve these systems of equations? Keep getting empty matrices.
If you specify theta12 as a known, as you have done, you have in effect three equations to solve and only two unknowns. I think...

fast 10 Jahre vor | 1

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Creation of matrix?
C = zeros(24,144); C(:,1:6:end) = tril(repmat(A.’,24,1)); C(:,2:6:end) = tril(repmat(B.’,24,1));

fast 10 Jahre vor | 1

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How to spread out an arry of matrix randomly
Let n be the desired length of the result and let a = [2 1 -1] : p = randi(3,n,1); % <-- Corrected v = a(p(randperm...

fast 10 Jahre vor | 0

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plot and calculate integral
I wrote a routine for the File Exchange which computes a cumulative integral using cubic (third degree) approximation which you ...

fast 10 Jahre vor | 0

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how to change for loop
The assignment C(A) = B will work but first you must set up C as a five-element column vector. It does matter what it initially...

fast 10 Jahre vor | 0

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How to find intersection of four points in 3d ?
Assume the earth is a perfect sphere with radius R. Let P1=[x1,y1,z1] be the coordinates of one point, and P2, P3, P4 be simila...

fast 10 Jahre vor | 0