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Scilabヘルプ >> Compatibility Functions > mtlb_max

mtlb_max

Matlab max emulation function

Description

Matlab and Scilab max behave differently in some particular cases:

• With complex values: Matlab max can be used with complex values but not Scilab function.

• When called with one input: Matlab max threats values along the first non-singleton dimension but Scilab threats all input values.

• When called with two inputs: if one is an empty matrix, Scilab returns an error message but Matlab returns [].

• When called with three inputs: if dim parameter is greater than number of dimensions of first input, Scilab returns an error message and Matlab returns the first input.

The function [r[,k]] = mtlb_max(A[,B[,dim]]) is used by mfile2sci to replace [r[,k]] = max(A[,B[,dim]]) when it was not possible to know what were the inputs while porting Matlab code to Scilab. This function will determine the correct semantic at run time. If you want to have a more efficient code it is possible to replace mtlb_max calls:

• When called with one input, if A is a vector or a scalar [r[,k]] = mtlb_max(A) may be replaced by max(A)

• When called with one input, if A is a matrix [r[,k]] = mtlb_max(A) may be replaced by max(A,"r")

• When called with two inputs, if A and B are real matrices and not empty matrices [r[,k]] = mtlb_max(A,B) may be replaced by max(A,B)

• When called with three inputs, if dim is lesser than the number of dimensions of A [r[,k]] = mtlb_max(A,[],dim) may be replaced by max(A,dim) Caution: mtlb_max has not to be used for hand coded functions.