Function

$F_1\left(x\right)={\displaystyle \sum }_{i=1}^n{x}_i^2$

$F_2\left(x\right)={\displaystyle \sum }_{i=1}^n\left|x_i\right|+{\displaystyle \prod }_{i=1}^n\left|x_i\right|$

$F_3\left(x\right)={\displaystyle \sum }_{i=1}^n{\left({\displaystyle {\sum }_{j-1}^i{x}_i}\right)}^2$

$F_4\left(x\right)={\max }_i\left\{\left|x_i\right|,1\le i\le n\right\}$

$F_5\left(x\right)={\displaystyle \sum }_{i=1}^n\left|x_i^2-10\cos \left(2\pi x_i\right)+10\right|$

$F_6\left(x\right)=-20\exp \left(-0.2\sqrt{\frac{1}{n}{\displaystyle \sum }_{i=1}^n{x}_i^2}\right)-\exp \left(\frac{1}{n}{\displaystyle \sum }_{i=1}^n\cos \left(2\pi x_i\right)\right)+20+e$

$F_7\left(x\right)=\frac{1}{4000}{\displaystyle \sum }_{i=1}^n{x}_i^2-{\displaystyle \prod }_{i=1}^n\cos \left(\frac{x_i}{\sqrt{i}}\right)-1$

$F_8\left(x\right)=\frac{\pi }{n}\left(10\sin {\left(\pi y_i-1\right)}^2\left[1+10{\sin }^2\left(\pi y_{i+1}\right)\right]+{\left(y_{n-1}\right)}^2+{\displaystyle \sum }_{i=1}^{n}U\left(x_i,10,100,4\right)\right)$

$y_i=1+\frac{X_{i+1}}{4}u\left(x_i,a,k,m\right)=\{\begin{array}{l}k{\left(x_i-a\right)}^m{x}_i>0\\ o-a<x_i<a\\ k{\left(-x_i-a\right)}^m{x}_i<-a\end{array}$

$F_9\left(x\right)={\displaystyle \sum }_{i=1}^{11}{\left|a_i-\frac{x_i\left(b_i^2+b_i{x}_2\right)}{b_i^2+b_i{x}_2+x_4}\right|}^2$

$F_{10}\left(x\right)=4x_i^2-2.1x_1^4+\frac{1}{3}{x}_1^6+x_1{x}_2-4x_2^2+4x_2^4$