sparse-matrix Archives

[Solved] How can do I make a sparse matrix using cell arrays in MATLAB?

October 4, 2022 by Kirat

By the information in the question : In vector cell arrays it is usually the first vector used as a sparse matrix dimension The second element is a scalar specifying the default value of the sparse matrix The other vectors are used to specify the location and the value of the element in the sparse … Read more

[Solved] JavaScript arrays: how do I compact excess length?

September 10, 2022 by Kirat

Since nothing in JavaScript specification says length must be exactly one higher than the last index, your demand is not reasonable. In common use, dense arrays overwhelmingly outnumber sparse ones. Since JavaScript does not keep indices in an ordered structure, finding out which index is the last every time array contents change would incur a … Read more