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No part of this manual may be photocopied or repro- duced in Chapter 5, “Programming with MATLAB” – describes how to use the Taking the square root or. Use the sqrt function to get the square root of the sum which is also the magnitude of the vector v. mag = sqrt(s);. Example. Create a script file with the following Apr 4, 2005 - (MATLAB). How does a command or function work? >> help sqrt. SQRT. Square root. SQRT(X) is the square root of the elements of X. Complex results are This manual reflects the ongoing effort of the McCormick School of Engineering and. Applied Science 1.4 Getting started. After learning the minimum MATLAB session, we will now learn to use some additional sqrt(x). Square root rem(x). B = sqrt( X ) returns the square root of each element of the array X . For the elements of X that are negative or complex, sqrt(X) produces complex results. Feb 12, 2010 -interactively (like a calculator) or non-interactively (as a programming language) sqrt(9). Note: • MATLAB uses radians, not degrees. • The log is the natural log In Matlab, we use the sqrt () function to find the square root of a number or each element defined in an array. The input arguments that are used in the function can MATLAB has since been expanded and now has built-in i = j = square root of -1. ? realmin MATLAB comes with a huge library of in-built functions, use them.