matlab多元函数求最小值问题matlab求r =1/(9-j)*(i^2+81-18*j+j^2)^(1/2)*(38/5-19/20*fix(j)+1/20*(8-fix(j))^2)+(fix(j)+1-j)/(9-j)*(i^2+81-18*j+j^2)^(1/2)*(9/5-1/10*fix(j))+(j^2-2*j*n+n^2+m^2-2*m*i+i^2)^(1/2)/(j-n)*(-19/20*fix((n*i-m*j)/(i+n-j-
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![matlab多元函数求最小值问题matlab求r =1/(9-j)*(i^2+81-18*j+j^2)^(1/2)*(38/5-19/20*fix(j)+1/20*(8-fix(j))^2)+(fix(j)+1-j)/(9-j)*(i^2+81-18*j+j^2)^(1/2)*(9/5-1/10*fix(j))+(j^2-2*j*n+n^2+m^2-2*m*i+i^2)^(1/2)/(j-n)*(-19/20*fix((n*i-m*j)/(i+n-j-](/uploads/image/z/1157210-26-0.jpg?t=matlab%E5%A4%9A%E5%85%83%E5%87%BD%E6%95%B0%E6%B1%82%E6%9C%80%E5%B0%8F%E5%80%BC%E9%97%AE%E9%A2%98matlab%E6%B1%82r+%3D1%2F%289-j%29%2A%28i%5E2%2B81-18%2Aj%2Bj%5E2%29%5E%281%2F2%29%2A%2838%2F5-19%2F20%2Afix%28j%29%2B1%2F20%2A%288-fix%28j%29%29%5E2%29%2B%28fix%28j%29%2B1-j%29%2F%289-j%29%2A%28i%5E2%2B81-18%2Aj%2Bj%5E2%29%5E%281%2F2%29%2A%289%2F5-1%2F10%2Afix%28j%29%29%2B%28j%5E2-2%2Aj%2An%2Bn%5E2%2Bm%5E2-2%2Am%2Ai%2Bi%5E2%29%5E%281%2F2%29%2F%28j-n%29%2A%28-19%2F20%2Afix%28%28n%2Ai-m%2Aj%29%2F%28i%2Bn-j-)
matlab多元函数求最小值问题matlab求r =1/(9-j)*(i^2+81-18*j+j^2)^(1/2)*(38/5-19/20*fix(j)+1/20*(8-fix(j))^2)+(fix(j)+1-j)/(9-j)*(i^2+81-18*j+j^2)^(1/2)*(9/5-1/10*fix(j))+(j^2-2*j*n+n^2+m^2-2*m*i+i^2)^(1/2)/(j-n)*(-19/20*fix((n*i-m*j)/(i+n-j-
matlab多元函数求最小值问题
matlab求r =1/(9-j)*(i^2+81-18*j+j^2)^(1/2)*(38/5-19/20*fix(j)+1/20*(8-fix(j))^2)+(fix(j)+1-j)/(9-j)*(i^2+81-18*j+j^2)^(1/2)*(9/5-1/10*fix(j))+(j^2-2*j*n+n^2+m^2-2*m*i+i^2)^(1/2)/(j-n)*(-19/20*fix((n*i-m*j)/(i+n-j-m))+19/20*fix(j)+1/20*(9-fix((n*i-m*j)/(i+n-j-m)))^2-1/20*(9-fix(j))^2)+(j-fix(j))/(j-n)*(j^2-2*j*n+n^2+m^2-2*m*i+i^2)^(1/2)*(9/5-1/10*fix(j))+(fix(m-(fix((n*i-m*j)/(i+n-j-m))-n)*(m-i)/(j-n))+1-m+(fix((n*i-m*j)/(i+n-j-m))-n)*(m-i)/(j-n))*(j^2-2*j*n+n^2+m^2-2*m*i+i^2)^(1/2)/(m-i)*(9/5-1/10*fix((n*i-m*j)/(i+n-j-m)))+(j^2-2*j*n+n^2+m^2-2*m*i+i^2)^(1/2)/(m-i)*(fix(j)-19/20*fix(m-(fix((n*i-m*j)/(i+n-j-m))-n)*(m-i)/(j-n))-1+1/20*(9-fix(m-(fix((n*i-m*j)/(i+n-j-m))-n)*(m-i)/(j-n)))^2-1/20*(9-fix(m))^2-1/20*fix(m))+(m-fix(j))/(m-i)*(j^2-2*j*n+n^2+m^2-2*m*i+i^2)^(1/2)*(9/5-1/10*fix(j))+(-18*m+81+n^2+m^2)^(1/2)/(9-m)*(38/5-19/20*fix(m)+1/20*(8-fix(m))^2)+(fix(m)+1-m)/(9-m)*(-18*m+81+n^2+m^2)^(1/2)*(9/5-1/10*fix(m)) 的最小值 j范围[5,8] i范围[9-j,j]
matlab多元函数求最小值问题matlab求r =1/(9-j)*(i^2+81-18*j+j^2)^(1/2)*(38/5-19/20*fix(j)+1/20*(8-fix(j))^2)+(fix(j)+1-j)/(9-j)*(i^2+81-18*j+j^2)^(1/2)*(9/5-1/10*fix(j))+(j^2-2*j*n+n^2+m^2-2*m*i+i^2)^(1/2)/(j-n)*(-19/20*fix((n*i-m*j)/(i+n-j-
fmincon 求吧