import sympy
a,b,m,n,x=sympy.symbols("a,b,m,n,x")
f1=sympy.cos(m*x)
f2=sympy.sin(n*x)
v2=sympy.integrate(f1*f2,(x,a,b))
print(v2.subs({a:0,b:2*sympy.pi,m:100,n:100})) the result is 0
, but I can only take mforce n as a specific integer for checking calculation. How can I set mforce n to any integer? Thank you
answer your own questions and add integer=True to it
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