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can any one help me in detecting an error in matlab code please ?
The error message is telling you what is wrong. In this case the expression within the larger expression for finding g fa...

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How can i create an if-function with probability p ?
if rand<=p y = 2*x; else y = 5*x; end

대략 11년 전 | 1

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how Can I have a stable and converged solution using fsolve?
_"when I change the initial guess my solution (Hw) changes"_ This is a feature of 'fsolve' you will have to accept, Parham. It...

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sum of random matrix = to zero
As was pointed out in your previous query, "sum of all anges is zero", one solution is to use 'randfixedsum' in the file exchang...

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Understanding accelerometers for rotational motion data
I assume your accelerometer is mounted such that it rotates along with the rotation of the rod. If so, the only significant com...

대략 11년 전 | 2

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For loop invalid syntax problem, very frustrating.
Put an asterisk between the 0.032 and the 't': Htheo(t)=4*(1-exp(-0.032*t))

대략 11년 전 | 2

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Why does integral2 function changes the array size of variable over which integration is performed?
Where you say _"While integrating the size of s and t is taken as 45x1 but sometimes it becomes 30x1"_ , you are apparently refe...

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Unique triples: Length of wire bent into triangle
The question is asking you to start with just a given integer, L, and find integers a, b, and c which are the lengths of a right...

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Solve a function in terms of a variable?
If my memory serves me correctly, that function will give rise to elliptic integrals of the first and second kinds, incomplete. ...

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Vectorizing/speeding up bsxfun multiplication-loop
You can try these to see which, if either, is faster than your current method: C = reshape(reshape(A(:,:,31:end),[],2221)*...

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vector multiplication and dot product
You cannot have the grouping q = [(1 2 3) (1 2 3); (1 2 3) .... for ordinary matrices, but you can do this: [1 2 3 1 2 3;1...

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Exponential Function without exp() function
You have done two things incorrectly here, Karen. First, your required loop was to be unbounded and yet you placed a bound of f...

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Output of symoblic expression coming out incorrectly
The two expressions are identically equal for the cosine function, just as t*w and w*t are identically equal because of the comm...

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Hi, I tried to solve the below equation(roots of w) in Matlab but it gave me no explicit solution. Please help to explain it.
I believe you have an eighth degree polynomial in w with only even powers, so it can be regarded as a fourth degree polynomial i...

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how to make a Series?
x = zeros(N,1); for n = 1:N x(n) = sum(-(sqrt(n:-1:2)-sqrt(n-1:-1:1)).*x(1:n-1))+1/(+exp(-a*n)); end

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How can I apply 'for' cycle for two arrays?
It depends on what you mean by "For each value of Jw and mu_o". If you mean for each of eight corresponding pairs of numbers fr...

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help with preallocating arrays?
myArray = zeros(1,10); for k = 1:10 myArray(k) = k+1; end or better still: myArray = 2:11;

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how can I use my function on 3*3 blocks?
m = M(a:a+2,b:b+2); % This is your "block" t = +any(m(:)~=0); % This is the returned value

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[HELP] Vector loops :'(
You have set std1 and std2 to equal values. Provided you do that, the result in 'h' is independent of the value 'c' and can be ...

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Iterative Loop for value convergence
Three pieces of advice: 1) Put Wrd = Wrdnew and Wfd = Wfdnew at the beginning of your while-loop and remove Wrd = Wrdt/2 and ...

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fsolve to find circle intersections
In case you are interested, there is a much more direct way of finding the two intersection points of two circles than using 'fs...

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numerical integration __ integral limits being variables
There are a number of ways you can proceed. One way is to use 'int' with a variable upper limit. See: http://www.mathwor...

대략 11년 전 | 1

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Lyapunov Plotting: using 'mesh' and 'meshgrid' with matricies
To get the V you need for plot3, do this: V = sum(x.*(P*x),1); Don't do a meshgrid on e and ed for use in plot3. You we...

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How do I create a (n x n) matrix whose elements alternate 1 or 0?
M = toeplitz(mod(1:n,2),mod(1:n,2));

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How to generate a no. of permutations(lets say 100) of a particular row of a matrix(consisting of 30 coloumns) and store the generated permutation into another array row wise??
If r is the 30-element row vector being used, do this: m = 100; n = 30; [~,p] = sort(rand(m,n),2); s = reshape...

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Warning: Explicit integral could not be found in matlab
You should try the 'simplify' function on 'e' before trying to integrate it. You will be surprised how much simplification is p...

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How to extract length along an angle that intercepts an ellipse.
You apparently have the center of your ellipse located at the coordinate origin. If [px,py] is the endpoint of one principal ax...

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Need help creating an array
Do either of these two: n = 10; % <-- you choose n A = diag(-4*ones(n,1))+diag(2*ones(n-1,1),1)+diag(2*ones(n-1,1),-1)...

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Fibonacci program makes matlab go busy forever
You can also compute the n-th term in the Fibonacci series with this formula: f(n) = round((((1+sqrt(5))/2)^n-((1-sqrt(5))...

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how to compute running correlation coefficient
By _"running correlation coefficient"_ I assume you mean you want the correlation computed for each possible length of x and y f...

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