2+2
3^3
pi
format long
pi
exp(log(10))-10
eps
exp(i*pi)
st=' I am getting an A+ in math 405'
st=' I am getting an A+ in math 405';
rand(10,10)
x=rand(1000,1000);
whos
help rand
A=[1 2 3;4 5 6; 7 8 9]
b=[0;1;0]
c=[0 1 0]
c'
A'
eig(A)
[v,d]=eig(a)
[v,d]=eig(A)
v
v(:,1)
v(:,3)
v(1,:))
v(1,:)
v(1,1)
n=1:9
n'
A=reshape(n,3,3)
A(:)
sin(A*pi)
exp(A)
expm(A)
help expm
N=10;
Z=zeros(N,N)
O=ones(N,N)
N
dx=1/(N-1)
x=0:dx:1
format short
x=0:dx:1
u=0*x'
A=diag(-2*ones(N-2,1),0)+diag(ones(N-3,1),1)+diag(ones(N-3,1),-1)