19 lines
460 B
Plaintext
19 lines
460 B
Plaintext
|
solve(x^6-9*x^5+10*x^4+18*x^3+49*x^2+135*x+84 == 0, x )
|
||
|
|
solve(x^3-5*x^2+8*x-40 == 0,x)
|
||
|
|
find_root(cos(x)==x, 0, pi/2)
|
||
|
|
integral(x*sin(x),x)
|
||
|
|
integral(e^(1/x^2),x,-2,4)
|
||
|
|
diff(sqrt(x^2*sin(x)+2),x)
|
||
|
|
diff((x*e^(cos(x)))^3,x)
|
||
|
|
x,y=var('x,y')
|
||
|
|
f=x^2+sin(x*y)-y
|
||
|
|
f.diff(y)
|
||
|
|
x=var('x')
|
||
|
|
u=function('u')(x)
|
||
|
|
rr=diff(u,x,2)-x*diff(u,x)+u
|
||
|
|
desolve(rr,[u,x],contrib_ode=True)
|
||
|
|
A=matrix([[1,-4, 7],[14, 6, 8],[-4, -1, 2]])
|
||
|
|
B=matrix([[2, 3, 9],[-1, 17, 6],[ 0, 5, -7]])
|
||
|
|
A*B
|
||
|
|
det(A)
|
||
|
|
B^-1
|