代码搜索：微分几何
找到约 3,133 项符合「微分几何」的源代码
代码结果 3,133
www.eeworm.com/read/480149/6677751
m ivpodefun_para.m
%ivpodefun_para.m
%常微分方程
function dydt = ivpodefun_para(t,y,u)
dydt = zeros(2,1);
dydt(1) = y(2);
dydt(2) = u*(1-y(1)^2)*y(2)-y(1);
www.eeworm.com/read/480149/6677866
m ivpodefun_para.m
%ivpodefun_para.m
%常微分方程
function dydt = ivpodefun_para(t,y,u)
dydt = zeros(2,1);
dydt(1) = y(2);
dydt(2) = u*(1-y(1)^2)*y(2)-y(1);
www.eeworm.com/read/480149/6677869
m odefun_linimp.m
%odefun_LinImp.m
%线性隐式常微分方程
function dydt = odefun_LinImp(t,y)
dydt = y.^2 + 2*y -2;
www.eeworm.com/read/480149/6677879
m ddefun_history.m
%ddefun_history.m
%延迟微分方程的历史函数
function y=ddefun_history(t)
y = zeros(2,1);
y(1) = 1;
y(2) = t-2;
www.eeworm.com/read/480149/6677915
m odefun_linimp.m
%odefun_LinImp.m
%线性隐式常微分方程
function dydt = odefun_LinImp(t,y)
dydt = y.^2 + 2*y -2;
www.eeworm.com/read/478650/6712658
m ex0315.m
%求符号表达式的微分
f=sym('a*x^2+b*x+c')
diff(f) %对默认独立变量x求一阶微分
diff(f,'a') %对符号变量a求一阶微分
diff(f,'x',2) %对符号变量x求二阶微分
diff(f,3) %对默认独立变量x求三阶微分
syms t x
g=[2*x t^2;t*sin(x) exp(x)] %创建符号矩阵
diff(g) %
www.eeworm.com/read/409142/11345116
m ivpodefun_para.m
%ivpodefun_para.m
%常微分方程
function dydt = ivpodefun_para(t,y,u)
dydt = zeros(2,1);
dydt(1) = y(2);
dydt(2) = u*(1-y(1)^2)*y(2)-y(1);
www.eeworm.com/read/409142/11345119
m odefun_linimp.m
%odefun_LinImp.m
%线性隐式常微分方程
function dydt = odefun_LinImp(t,y)
dydt = y.^2 + 2*y -2;
www.eeworm.com/read/409142/11345131
m ddefun_history.m
%ddefun_history.m
%延迟微分方程的历史函数
function y=ddefun_history(t)
y = zeros(2,1);
y(1) = 1;
y(2) = t-2;
www.eeworm.com/read/158241/11630865
m ex0315.m
%求符号表达式的微分
f=sym('a*x^2+b*x+c')
diff(f) %对默认独立变量x求一阶微分
diff(f,'a') %对符号变量a求一阶微分
diff(f,'x',2) %对符号变量x求二阶微分
diff(f,3) %对默认独立变量x求三阶微分
syms t x
g=[2*x t^2;t*sin(x) exp(x)] %创建符号矩阵
diff(g) %