Questions tagged [interpolation]

Questions on the interpolation functions in Mathematica (InterpolatingFunction[], Interpolation[], ListInterpolation[], FunctionInterpolation[], InterpolatingPolynomial[], etc.)

Filter by
Sorted by
Tagged with
0
votes
1answer
170 views

How to calculate the expression of error truncation function?

We already know that some node information of function f(x) is shown in the table below: $$\begin{array}{|c|c|c|c|} \hline x_{i} & 0 & 1 & 2 \\ \hline f\...
-1
votes
1answer
745 views

How can I interpolate this data? [closed]

...
-1
votes
1answer
81 views

Interpolation in a data set [closed]

I have the given dataset dat1 = {{0, 0, 1, 10}, {0, 0, 2, 5}, {0, 1, 1, 4}, {0, 1, 2, 3.5}, {1, 0, 1, 0.8}, {1, 0, 2, 0.6}, {1, 1, 1, 0.4}, {1, 1, 2, 0.2}} In ...
-1
votes
1answer
161 views

Interpolation curve [closed]

I have a complicated parametric curve which takes too long to integrate, therefore I want to sample points and interpolate to speed up calculations. The curve is: ...
-1
votes
1answer
2k views

Interpolating Function inside of NDSolve

I have a problem and it seems to be connected to an Interpolating function inside of an NDSolve command. The resistivity[x] ...
-1
votes
1answer
58 views

How can I get this type of interpolation [closed]

As shown in the figure, it should be a specific value
-1
votes
1answer
157 views
-1
votes
1answer
101 views

Several errors with InterpolatingFunction [closed]

I'm getting some error messages that don't make sense. Apologies, as the code is somewhat complex. Basically what I'm trying to do is solve a system of differential equations, then fill a table with ...
-1
votes
1answer
320 views

Using InterpolatingFunction in equations

I tried to use InterpolatingFunction in another ODE, but it doesn't work, because it seems for Mathematica that 2 functions are unknown instead of one. ...
-1
votes
1answer
677 views

How to interpolate this list of data

Can anyone help me to interpolate this list of data? I try to use Interpolation function but think the number of points it's not enough. Here I show the result using ListPlot: I want to ...
-2
votes
4answers
5k views

Piecewise linear Interpolation between data points [closed]

Is there some sort of functionality built into Mathematica that will let me linearly interpolate between (x, y) pairs of data in an array? Example: I have the two points (1, 10) and (2, 20), how can ...
-2
votes
1answer
149 views

Interpolate/extrapolate a gate charge curve from two different curves

Gate charge measured data. I have gate-charge measurement plots and Excel data for two operating points for a power MOSFET. Vds = 60 V, Id = 50 A Vds = 600 V, Id = 8 mA Can I generate a plot with ...
-2
votes
1answer
547 views

Create a spline function to interpolate a 3D surface [closed]

Here's my problem, I have an spreadsheet that contains data, a 202x202 matrix with x,y and z coordinates. The objective is import the data to mathematica, and then I need to create an interpolation ...
-2
votes
1answer
171 views

Which function should I use to spherically 3D plot an interpolation function of two variables

I have a dataset in the form: ...
-3
votes
2answers
744 views

Aitken interpolation of a polynomial?

How I can approximate a polynomial using Aitken's scheme using two nodes for the interpolation? ...
-3
votes
1answer
355 views

How to approximate the data curve with a function? [closed]

I want to approximate a data curve (the purple curve in the picture) with one function, so I can use it in my engineering simulation. Some explanation of purple curve The curly part is a sinusoid; ...
-5
votes
1answer
499 views

Problem with interpolation [closed]

I have a problem with the function interpolation. when I use it my points are all very shifted. Do you have an idea of the solution? ...
-8
votes
0answers
48 views

I have written the code correct previously it was working but now it's not . it did solve earlier bu why it's not working now [closed]

Here is the code in the image i m not able to write it here .Plz plz plz help me with it as fast as possible .Plz help me . And if someone knows other program of newtons divided difference formula plz ...

1
14 15 16 17
18