Question

What could I use to show that triangular numbers should grow quadratically?

score 129 · Answer 1 · 2026-02-24 03:48:42

129

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What could I use to show that triangular numbers should grow quadratically?

Published on 24 Feb 2026 - 3:48

score 301 · Answer 2 · 2021-06-25 16:14:57

301

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Basis function finite element method

Published on 25 Jun 2021 - 16:14

score 464 · Answer 3 · 2026-03-25 19:02:10

464

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Are multivariate polynomials determined by their values on a lattice?

Published on 25 Mar 2026 - 19:02

score 1.8k · Answer 4 · 2021-08-08 10:42:40

1.8k

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Proof of Lagrange's interpolation formula

Published on 08 Aug 2021 - 10:42

score 158 · Answer 5 · 2021-09-02 14:09:01

158

Views

Multiple Lagrange Interpolation

Published on 02 Sep 2021 - 14:09

score 105 · Answer 6 · 2026-03-26 12:48:33

105

Views

What is wrong with my derivation of Simpson's Rule via Lagrange interpolation? + Is my alternative a better approximation?

Published on 26 Mar 2026 - 12:48

score 177 · Answer 7 · 2021-10-09 14:29:59

177

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Find $P(-\frac{1}{2})$ given a infinite points of a polynomial

Published on 09 Oct 2021 - 14:29

score 41 · Answer 8 · 2026-03-25 15:42:37

41

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Is there a name for a set of linear functionals $f_i$ that is "sufficiently rich" to uniquely identify a polynomial from the values $f_i p$

Published on 25 Mar 2026 - 15:42

score 163 · Answer 9 · 2021-10-15 13:30:23

163

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$\int_a^{a + n \cdot h} (x-a)(x-(a+h))(x-(a+2h))\cdots(x-(a+n\cdot h))\, \text{d}x = ?$

Published on 15 Oct 2021 - 13:30

score 313 · Answer 10 · 2021-10-22 00:10:20

313

Views

Existence of real analytic diffeomorphisms with prescribed values on a finite set

Published on 22 Oct 2021 - 0:10

score 46 · Answer 11 · 2021-10-26 19:34:32

46

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Integral of $n$-th Bernoulli polynomial of the second kind

Published on 26 Oct 2021 - 19:34

score 412 · Answer 12 · 2021-10-30 01:26:08

412

Views

why it is not possible to use quadratic spline

Published on 30 Oct 2021 - 1:26

score 95 · Answer 13 · 2026-02-23 08:40:53

95

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FUN with f̶̶l̶̶a̶̶g̶̶s̶ Newton Cotes Quadrature formula and Bernoulli polynomials of the second kind

Published on 23 Feb 2026 - 8:40

score 125 · Answer 14 · 2021-11-14 07:56:01

125

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Prove that there exists 3 numbers $a,b,c$ so that $P(a)=b, P(b)=c, P(c)=a$

Published on 14 Nov 2021 - 7:56

score 202 · Answer 15 · 2021-11-15 01:14:53

202

Views

What is the difference between linear lagrange interpolation and defining secant lines?

Published on 15 Nov 2021 - 1:14

List Question

What could I use to show that triangular numbers should grow quadratically?

Basis function finite element method

Are multivariate polynomials determined by their values on a lattice?

Proof of Lagrange's interpolation formula

Multiple Lagrange Interpolation

What is wrong with my derivation of Simpson's Rule via Lagrange interpolation? + Is my alternative a better approximation?

Find $P(-\frac{1}{2})$ given a infinite points of a polynomial

Is there a name for a set of linear functionals $f_i$ that is "sufficiently rich" to uniquely identify a polynomial from the values $f_i p$

$\int_a^{a + n \cdot h} (x-a)(x-(a+h))(x-(a+2h))\cdots(x-(a+n\cdot h))\, \text{d}x = ?$

Existence of real analytic diffeomorphisms with prescribed values on a finite set

Integral of $n$-th Bernoulli polynomial of the second kind

why it is not possible to use quadratic spline

FUN with f̶̶l̶̶a̶̶g̶̶s̶ Newton Cotes Quadrature formula and Bernoulli polynomials of the second kind

Prove that there exists 3 numbers $a,b,c$ so that $P(a)=b, P(b)=c, P(c)=a$

What is the difference between linear lagrange interpolation and defining secant lines?

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