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xinq1858金蟲(chóng) (正式寫(xiě)手)
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[求助]
求助matlab編程遇到的問(wèn)題
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請(qǐng)教蟲(chóng)友,在matlab里面怎么設(shè)置數(shù)值呢?我在計(jì)算非線(xiàn)性方程組時(shí)遇到如下情況:fsolve stopped because the last step was ineffective. However, the vector of function values is not near zero, as measured by the default value of the function tolerance. 具體原因如下: fsolve stopped because the sum of squared function values, r, changed by 9.038821e-013 relative to its initial value; this is less than max(options.TolFun^2,eps) = 1.000000e-012. However, r = 3.231949e+045, exceeds sqrt(options.TolFun) = 1.000000e-003. Optimization Metric Options relative change r = 9.04e-013 max(TolFun^2,eps) = 1e-012 (default) r = 3.23e+045 sqrt(TolFun) = 1.0e-003 (default) 謝謝阿佳的幫助。 |

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