MATLAB Online에서 열기 %setup As = size(A); Aoff = cumprod([1 As(1:end-1)]); %calculation at run-time vidx = (v-1) * Aoff.' + 1; A(vidx) This will work when v is an M x N array of indices, producing a column array of M values. If your array has trailing ...
Open in MATLAB Online Ran in: Simplified example: array=randi(10,5) array =5×5 10 10 7 2 4 4 7 10 7 10 1 8 4 2 7 3 7 10 5 5 9 7 10 10 2 test=array(:,5)>4; subset=array(test,:)%rows where 5th column is greater than 4 ...
If you try to refer to elements outside an array on the right side of an assignment statement, MATLAB throws an error. test = A(4,5) Index in position 2 exceeds array bounds (must not exceed 4). However, on the left side of an assignment statement, you can specify elements outside...
https://www.mathworks.com/matlabcentral/answers/441793-acces-data-for-find-tsp-distance-by-matrix-indexing#answer_358245 댓글 수: 1 madhan ravi2019년 1월 28일 I suspect it's the same person with different accounts. 댓글을 달려면 로그인하십시오. ...
To grow an array X, you can assign a value to X(end + 1). If you make this assignment in your MATLAB code, the code generator treats the dimension you grow as variable-size. For example, you can generate code for this code snippet: ... a = [1 2 3 4 5 6]; a(end + 1) ...
Array indexing multiple equationsThis is not a differential equationx4(i+1)=x4(i)-1/(J1+m2*l1^2)*((1/2*m1*l1+m2*l1)*cos(x3(i))*x2(i+1)-(1/2*m2*l1*l2*cos(x3(i)-x5(i)))*x6(i+1)-1/2*m1*l1*cos(x3(i))*x2(i)-(sigma1+sigma2)*x4(i)-(-sigma2-1/2*m2*l1...
1. All input arrays with ndim smaller than the input array of largest ndim, have 1’s prepended to their shapes. 2. The size in each dimension of the output shape is the maximum of all the input sizes in that dimension. 3. An input can be used in the calculation if its size in ...
To construct an array of 10 linearly spaced elements starting with 0 and ending with 100, we can use the NumPy linspace function. 要构造一个由10个线性间隔元素组成的数组,从0开始到100结束,我们可以使用NumPy linspace函数。 In this case, I’m going to type np.linspace. 在本例中,我将键入np....
Open in MATLAB Online The equations are nonlinear, and for most nonlinear differential equations, an analytic solution does not exist. Try this instead: symsx(t) y(t) T Y ode1 = diff(x) == x(t)*y(t) + 0.5*x(t)^3 + x(t)*y(t)^2; ...
FYI in Fortran [ ] or (/ /) are used to create an array - I don't think you need this for the example. If this doesn't help try coding what you want in Matlab so it works, and post that here so that I, or others, can help. ...