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How can I use integral function this way?
I think it will work if you simply substitute those two expressions for fi_jk and fi_is, respectively, into the anonymous functi...

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i wanna generate matrix. the way fixed sum of any matrix. at the same time, will use limiting conditions
The following will give all possible sets of six integers as a six-column matrix in accordance with your three conditions. Of c...

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how to generate random integer matrices on constraints?
You can make use of the algorithm given for randfixedsumint shown in: https://www.mathworks.com/matlabcentral/answers/3276...

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How to compare each element of a matrix with a number?
for i1 = 1:40 s(i1) = (sum(A(i1,:).*B(:).')>=1); (<-- Corrected) end

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How to get the integral (function) from a vector?
I wrote a function for the File Exchange which uses third order integration methods for discrete sets of points to obtain a cumu...

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Easy question with probability
Also a little late, this also works: C = cumsum(P); f = X(1+sum(C(end)*rand>C));

대략 9년 전 | 1

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Translate a matrix with nested loops?
No need for loops: up = 2; right = 2; B = zeros(size(A)); B(1:end-up,1+right:end) = A(1+up:end,1:end-right);

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How can I Numerically integrate a function multiplied with a dirac delta function?
The integral of f(x) = x.^2.*dirac(x) w.r. x from -1 to +1 is zero. That is because the dirac(x) function is considered 0 at al...

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covert 9.2532 decimal into binary
function s = binstr(x) if ~isfinite(x)|(length(x)~=1), error('x must be a finite scalar.'),end b = (x<0); x = abs(x);...

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Solving Coupled Differential Equations
I would think it would be far more efficient to do your fitting using a general solution to your two linear differential equatio...

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Solve equation with vectors as variables
If by the term “column vector” you mean a vector with one column, as is usual in matlab, then you have one unknown and as many e...

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functions that give multiples
count = length([i:i:n,j:j:n]);

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Determining answers from a for loop?
Whoever devised that problem has a fiendish sense of humor. It is actually calculating the minimum of each of the three columns...

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Dimension mismatch error trying to build 2D array in loop
I believe you will find that the right hand side of Z0(:,n) = 30*pi./(sqrt(eps_re)).*(ellipke(k3_prime)./ellipke(k3)); ...

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array sorting 2D
A = sortrows(sort(A,2));

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how to find the end of major and minor axis of an ellipsoid
I think you need axis equal so that scaling is the same for both axes.

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How do I implement this function in Matlab ?
1/sum(k:Y)

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How to get equation of a curve plotted using( z=ax^2+by^2).
Assuming you have generated the data points accurately, you need only two data points (x1,y1,z1) and (x2,y2,z2) to retrieve your...

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I need to solve two nonlinear equations simultaneously
If you have the Optimization Toolbox, you can use fsolve to find an accurate simultaneous solution for the two equations. You c...

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How to find shared elements in a matrix
D = nchoosek(find(P==1),2); D = D(A(D(:,1)+n*(D(:,2)-1))==1 & A(D(:,2)+n*(D(:,1)-1))==1,:); The two elements in each row...

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How can I fix this error?
Judging by your error message, the two arrays, ck and ECG_ac, have different sizes. That's a no-no.

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A vector is given by x = [–3.5 5 –6.2 11.1 0 7 –9.5 2 15 –1 3 2.5]. Using conditional statements and loops, write a program that rearranges the elements of x in order from the smallest to the largest. Do not use MATLAB’s built-in function
Your code works like the following. At i = 1, it makes the assumption that y(i) is the smallest element of y and temporarily st...

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Add elements of a vector
Your phrase “add those elements 10 out of 10” is not very specific. I give the solutions to two possible interpretations. Let ...

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Generate 100 random numbers between 0 and 1 and simulate the role of a 6-sided die in MATLAB
d = ceil(6*rand(100,1));

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How do I store all the outputs of a 3 for loops in a 1Dimensional vector?
Do this: pr(C+3*(M-1)+9*(F-1)) = ....

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I multiply 3x3 and 3x1 matrix and the end result is 3x3 instead of 3x1. What's wrong with the code.?
You have used .* instead of *, which is element-by-element, so matlab automatically expands F2 as: repmat(F2,1,3) and then perfo...

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Can the double-precision floating point number 0.72 be represented exactly in Matlab? Explain.
In almost all computers, floating point numbers are represented in binary format. This means that the only numbers that can be ...

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Calculate the 3D angle between two vectors
The angle between two three-element vectors, P1 and P2, can be calculated using matlab in the following way: a = atan2(norm...

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Help with a minimize problem
It is quite possible for functions such as yours to have more than one point of local minimum. If that is the case, the one tha...

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Conditional Random number generation
function R = randfixedsumint(m,n,S); % This generates an m by n array R. Each row will sum to S, and % all elements ...

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