?? givrot.m
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function [G] = givrot (x);%GIVROT% [G] = givrot (x);% returns Givens-rotation matrix% [c -s; s c] which rotates x(2) to zero. if (x(2) ~= 0), r = norm (x, 2); G = 1/r*[x(1) x(2); -x(2) x(1)]; else G = eye (2); end?? 快捷鍵說明
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