第三节 导数运算
1、MATLAB求导2、MATLAB求函数零点3、MATLAB求极值4、最优化模型举例5、小结
一、MATLAB求导
1、导数运算命令
diff (f,x)
diff (f,x,n)
diff (‘S’,’x’)
diff (‘S’,’x’,n)
>> syms x>> diff(asin(sqrt(1-x^2))) ans = -1/(1-x^2)^(1/2)*x/(x^2)^(1/2)
解:
2、运行格式
>> syms x>> 命令


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