New posts in Finite Differences

Impose PDE itself as Boundary Condition?

Finite differences second derivative as successive application of the first derivative

Proving $∆^nf(x_0;h_1,\cdots,h_n)=f^{(n)}(ξ)h_1\cdots h_n$

Is there a mean value theorem for higher order differences?

Is the derivative the natural logarithm of the left-shift?

Chain rule for discrete/finite calculus

Show $f[x_0,x_1,\ldots,x_n]=1$ for divided differences of $x^n$

kth finite difference always positive when kth derivative is?

What is the indefinite sum of tan(x)?