![]() I suggest you read up on findpeaks and look at Stars example. With findpeaks() you can find both peaks and valleys. Input array, specified as a scalar, vector, matrix, or multidimensional array. Pick out the odd-numbered elements of a numeric matrix. Making a skew-symmetric matrix from a vector is not something most people will ever need to do, so it is unlikely you would find a simple command to do it. Here, we will read vectors by their names to make it easy but you can change their names if you want. Secondly, since NEG is a row vector, the second column of it, which you pass into findpeaks() will be just a single number, which is the number of the second index where your signal goes negative. This MATLAB function converts A into an array of logical values. A great virtue of MATLAB (ok, almost any programming language) is the ability to write functions that do what you want. ![]() We can also define the number of rows and columns, if required but if the number of values in the vector are not a multiple of the number of rows or columns then R will throw an error as it is not possible to create a matrix for that vector. The integers from 32 to 127 correspond to printable ASCII characters. ![]() To convert a vector into matrix, just need to use matrix function. Convert a numeric array to a character array.
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