急求大神!!!matlab中erf函数精度提高。
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matlab代码如下
k=1079; z=3^0.5 ;z1=sqrt(-i*k)*(1+z);
mfun('erf',z1)
采用mfun('erf',x),在matlab计算只有16位有效数字(和mathematica中得到的准确结果相比),那么如何才能在matlab中把计算精度提高到30位甚至更高的有效数字?现在很着急,做了很久都没成功,急求各位大神指点。

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