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ff=f'; uu=u; F=@(q,x)q(1)/((1+q(2)*x(:,2)+q(3)*x(:,2).^2-x(:,1).^2).^2+(x(:,2).^2/q(4)).^2).^0.5-x(:,2); >> x=[ff uu]; >> q0=[1 1 1 1]; warning off q=nlinfit(x,zeros(size(x,1),1),F,q0); Error using nlinfit (line 121) Error evaluating model function '@(q,x)q(1)/((1+q(2)*x(:,2)+q(3)*x(:,2).^2-x(:,1).^2).^2+(x(:,2).^2/q(4)).^2).^0.5-x(:,2)'. Caused by: Error using - Matrix dimensions must agree. ±¾ÈËÓõÄMatlab2012a£¬¸Ã³ÌÐòÎÊÌâ³öÏÖÔÚÄÄÄØ£¿(q0µÄȡֵ·¶Î§²»ÖªµÀ) |
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