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Given a positive integer n which is not a perfect square, write a MATLAB script that will calculate the square root of n truncated to k places after the decimal point. Your output should be a string. For example, the output of string_sqrt(1000,10) should be '31.6227766016' Notice that the square root of 1000 is (according to MATLAB) 31.62277660168379, so we want the integer part complete, as well as the first k numbers after the decimal point without rounding.

Several of the values of k will be larger than the usual precision shown by MATLAB, so you'll need to be inventive. Good luck.

8 correct solutions
4 incorrect solutions

Last solution submitted on Nov 09, 2014