PLECS 3.3 Online Help

3D Look-Up Table

Purpose

Compute piece-wise linear function of three input signals

Library

Control / Functions & Tables

Description

pict

The 3D Look-Up Table block maps three input signals to an output signal. You define the mapping function by specifying three vectors of input values and an array of output values. The input vectors x  , y   and z   correspond to the first, second and third dimension of the output array.

The output value is interpolated or extrapolated from the block parameters using the technique described for the 1D Look-Up Table block.

Parameters

Vector of input values x
The vector of input values x  . This vector must be the same size as the size of the first dimension in the output array and monotonically increasing. It should not contain more than three identical values.
Vector of input values y
The vector of input values y  . This vector must be the same size as the size of the second dimension in the output array and monotonically increasing. It should not contain more than three identical values.
Vector of input values z
The vector of input values z  . This vector must be the same size as the size of the third dimension in the output array and monotonically increasing. It should not contain more than three identical values.
3D array of output values f(x,y,z)
The array containing the output values f(x,y,z)  . The dimensions must match the size of the input vectors.

Probe Signals

Input x
The block input signal x  .
Input y
The block input signal y  .
Input z
The block input signal z  .
Output
The block output signal.