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I have an array of 1000+ samples. I want to find the index of nonzero elements in a large matrix in a shortest possible time. Whats the best way to get the list of indexing without using "find" funcion? Example p=[0 0 .34 0; 3 0 0 3; 0 9 0 0]; ...
I have a large matrix with with multiple rows and a limited (but larger than 1) number of columns containing values between 0 and 9 and would like to find an efficient way to identify unique row-wise combinations and their indices to then build sums (somehwat like a pivot logi...
using 'find' in matrixThe code has no variable named "v" so we cannot tell.In your code a(r,b) is a scalar variable, so a(r,b)>4 is going to be a scalar and so the result of the find() can only be 0 or 1.
Find the nonzero elements in a 3-by-3 matrix. X = [1 0 2; 0 1 1; 0 0 4] 1. X =3×31 0 2 0 1 1 0 0 4 1. 2. 3. 4. 5. k = find(X) 1. k =5×11 5 7 8 9 1. 2. 3. 4. 5. 6. 7. Use the logicalnotoperator onXto locate the zeros. ...
find unique sets of values in matrix, eliminate... Learn more about matrix decimation unique sets of values
defectTruth=testingData.FailureType;cmTest=confusionmat(defectTruth,defectPredicted);figureconfusionchart(cmTest,categories(defectTruth),Normalization="row-normalized",...Title="TestDataConfusionMatrix"); 准确率、召回率和 F1 分数 本示例使用几个指标评估网络性能:精度、召回率和 F1 分数。这些指标是为...
A = adjacency(G,weights) returns a weighted adjacency matrix with edge weights given by the vector weights. For each edge (i,j) in G, the adjacency matrix has value A(i,j) = weights(findedge(G,i,j)). For this syntax, G must be a simple graph such that ismultigraph(G) returns ...
Matrix);%另一种可以控制格式的写出fid=fopen('test.txt','w');formatSpec='%d\t';fori=1:Num...
functionX=Ni(A)%Input-Ais anNxNmatrix%Output-Iis anNxNinverse matrixofA%andI(j,:)containing the solution toAX(:,j)=E(:,j).%InitializeX,Y,the temporary storage matrixC,and the row%permutation information matrixR[N,N]=size(A);B=eye(N);%Bis anNxNidentity matrixX=zeros(N,N);Y=zero...