interpolation

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Bilinear Interpolation in SQL

For a project I am doing I need to interpolate a value (interest rate)based on 2 dimensions (\'days since 1900\' and yield)[详细]

2023-03-06 00:07 分类：问答
Collapsing a 10 period curve to 4 periods

I have a 10 period cost curve table below.How do I programmatically collapse/condense/shrink this to 4 periods.I\'m using VBA but I should be able to follow other languages.The routine should work for[详细]

2023-03-05 19:16 分类：问答
is mvel suitable for templating JavaScript

We have some JavaScript code templates that we need to interpolate server-side with code like: var version = ${appVersion};[详细]

2023-03-05 07:44 分类：问答
Increasing the pitch of audio using a varied value

Okay, this a bit of maths and DSP question. Let us say I have 20,000 samples which I want to resample at a different pitch. Twice the normal rate for example. Using an Interpolate cubic method found[详细]

2023-02-28 04:09 分类：问答
A possible bug in odeint <-> interp1d interplay?

I\'m relatively new to python and scipy, being a convert from MATLAB. I was doing a quick test of the odeint function in scipy.integrate, and came across this potential bug. Consider the following sni[详细]

2023-02-25 02:03 分类：问答
How does Mathematica create an InterpolatingFunction object?

How does Mathematica create an InterpolatingFunction object? Example: test1 = FunctionInterpolation[Sin[x],{x,0,2*Pi}][详细]

2023-02-25 01:42 分类：问答
Rails 3, Paperclip - Custom Interpolations

I\'ve been having some troubles making custom Interpolati开发者_JAVA技巧on, gone through every example I could find on web, but no matter what I did, had no success.[详细]

2023-02-23 04:02 分类：问答
Scipy interpolation how to resize/resample 3x3 matrix to 5x5?

EDIT: Paul has solved this one below. Thanks! I\'m trying to resample (upscale) a 3x3 matrix to 5x5, filling in the intermediate points with either interpolate.interp2d or interpolate.RectBivariateSp[详细]

2023-02-22 16:49 分类：问答
Filling gaps in a numpy array

I just wan开发者_运维问答t to interpolate, in the simplest possible terms, a 3D dataset. Linear interpolation, nearest neighbour, all that would suffice (this is to start off some algorithm, so no acc[详细]

2023-02-22 08:14 分类：问答
How to produce an interpolated function from a given x and f(x) points using Newton polynomial in Java?

Here\'s my code: Double[] x = {1.0, 2.0, 3.0}; Double[] fx = {1.0, 8.0, 27.0}; s = x.length; Double[][] newton = new Double[(2*s)-1][s+1];[详细]

2023-02-22 07:33 分类：问答