hermite

问题 I would like to calculate a third-degree polynomial that is defined by its function values and derivatives at specified points. https://en.wikipedia.org/wiki/Cubic_Hermite_spline I know of scipy's interpolation methods. Specifically splprep to interpolate a N-dimensional spline and splev to eveluate its derivatives. Is there a python routine that takes function values f(x) and derivatives f'(x) corresponding to values x and calculates a spline representation that fits the given data. To give

问题 I would like to calculate a third-degree polynomial that is defined by its function values and derivatives at specified points. https://en.wikipedia.org/wiki/Cubic_Hermite_spline I know of scipy's interpolation methods. Specifically splprep to interpolate a N-dimensional spline and splev to eveluate its derivatives. Is there a python routine that takes function values f(x) and derivatives f'(x) corresponding to values x and calculates a spline representation that fits the given data. To give

问题 I would like to calculate a third-degree polynomial that is defined by its function values and derivatives at specified points. https://en.wikipedia.org/wiki/Cubic_Hermite_spline I know of scipy's interpolation methods. Specifically splprep to interpolate a N-dimensional spline and splev to eveluate its derivatives. Is there a python routine that takes function values f(x) and derivatives f'(x) corresponding to values x and calculates a spline representation that fits the given data. To give

问题 How can I draw Hermite curves using OpenGL, are there any built in functions? I saw some examples on-line that show how to use evaluators to draw Bezier curves but could not find any information for Hermite curves. 回答1: Let the vector of control points for your Bezier be [b0 b1 b2 b3] and those for your Hermite be [h0 h1 v0 v1] (v0 and v1 being the derivative / tangent at points h0 and h1). Then we can use a matrix form to show the conversions: Hermite to Bezier [b0] = 1 [ 3 0 0 0] [h0] [b1]

问题 I'm building a website which will have a lot of user uploaded images. I would like to resize and compress (preferably change their format to .jpg) these images client side, before uploading them to a server. How would one go about doing this? I have found a few solutions, but none that really work on uploaded files. The latest I've tried is the Hermite-resize script. Should be as simple as: // Get images from input field var uploadedImages = event.currentTarget.files; var HERMITE = new

问题 I'm trying to use Boost c++ library for Hermite interpolation, but it's not well documented and I'm not well understand. My case is to calculate y values at some x position from data points such as: X: 0.9, 1.7, 2.55, 3.39... Y: 0.9, 0.8, 0.85, 0.84... And get result with equal x spaces (x space 0.5): X: 0.5, 1.00, 1.5, 2.00, 2.5, 3.0,... Y: 0.8, 0.95, 0.8, 0.85, 0.9, 0.9,... Can boost be helpful for me? I had found more implementations of Hermite in web, but examples and it's result output