代码搜索：精度提升
找到约 3,114 项符合「精度提升」的源代码
代码结果 3,114
www.eeworm.com/read/445070/7599769
m chapoly.m
function l = Chapoly(A)
syms t;
N = size(A);
n = N(1,1);
y = det(A-t*eye(n,n));
l = solve(y);
l = vpa(l, 5); %结果取五位精度
www.eeworm.com/read/443342/7634426
m chapoly.m
function l = Chapoly(A)
syms t;
N = size(A);
n = N(1,1);
y = det(A-t*eye(n,n));
l = solve(y);
l = vpa(l, 5); %结果取五位精度
www.eeworm.com/read/439700/7702865
m chapoly.m
function l = Chapoly(A)
syms t;
N = size(A);
n = N(1,1);
y = det(A-t*eye(n,n));
l = solve(y);
l = vpa(l, 5); %结果取五位精度
www.eeworm.com/read/433836/7907096
m chapoly.m
function l = Chapoly(A)
syms t;
N = size(A);
n = N(1,1);
y = det(A-t*eye(n,n));
l = solve(y);
l = vpa(l, 5); %结果取五位精度
www.eeworm.com/read/433368/7937225
m e0506.m
a=sym('2*sqrt(5)+2/3') %创建符号对象
digits %显示默认的有效位数
vpa(a) %用默认的位数计算并显示
vpa(a,20) %按指定的精度计算并显示
digits(15) %改变默认的有效位数
vpa(a) %按digits指定的精度计算并显示
www.eeworm.com/read/298099/7974384
m ex0306.m
%对符号表达式进行任意精度控制并用三种运算方式表示同一符号常量
a=sym('2*sqrt(5)+pi')
digits %显示默认的有效位数
vpa(a) %用默认的位数计算并显示
vpa(a,20) %按指定的精度计算并显示
digits(15) %改变默认的有效位数
vpa(a) %按digits指定的精度计算并显示
a1 =2/3 %数值型
a2 = sym(2
www.eeworm.com/read/396253/8118169
m chapoly.m
function l = Chapoly(A)
syms t;
N = size(A);
n = N(1,1);
y = det(A-t*eye(n,n));
l = solve(y);
l = vpa(l, 5); %结果取五位精度
www.eeworm.com/read/246680/12713255
m chapoly.m
function l = Chapoly(A)
syms t;
N = size(A);
n = N(1,1);
y = det(A-t*eye(n,n));
l = solve(y);
l = vpa(l, 5); %结果取五位精度
www.eeworm.com/read/143520/12868442
m exm050242_1.m
digits %显示省缺符号数值计算相对精度
p0=sym('(1+sqrt(5))/2'); %p0为(1+sqrt(5))/2 准确值
p1=sym((1+sqrt(5))/2) %p1是(1+sqrt(5))/2在数值环境下的近似值
e01=vpa(abs(p0-p1)) %在符号环境32位省缺精度下，观察p0, p1间误差
p2=v
www.eeworm.com/read/140057/13112944
m ex0306.m
%对符号表达式进行任意精度控制并用三种运算方式表示同一符号常量
a=sym('2*sqrt(5)+pi')
digits %显示默认的有效位数
vpa(a) %用默认的位数计算并显示
vpa(a,20) %按指定的精度计算并显示
digits(15) %改变默认的有效位数
vpa(a) %按digits指定的精度计算并显示
a1 =2/3 %数值型
a2 = sym(2