Mathematica does not import .mat file correctly

Question

I have .mat file that contains a binary (0,1) matrix with size 100*100*100. I have used this syntax to import it in mathematica

binarymap=Import["matlab.mat","Data"]
Dimensions@binarymap(*Why the dimensions is not 100*100*100?*)
{1,100,100,100}

binarymap[[1,1,1,1]] == False (*Why false?*)

When I load it in Matlab, it works correctly. What is the problem?

What do you mean by "why false?" You are the one doing the assignment, right? In any case, this is a duplicate of http://mathematica.stackexchange.com/q/10582/5 — rm -rf, Dec 15 '15 at 05:45
@R.M., I see your comment but in Matlab when I display the matrix, it show 0 or 1! — BetterEnglish, Dec 15 '15 at 15:38
@R.M., I don't see any duplication in my question and any solution has been provided! thanks — BetterEnglish, Dec 15 '15 at 15:55
Why this question is off-topic. It seems that you close randomly questions! — BetterEnglish, Dec 15 '15 at 15:57

Szabolcs · Answer 1 · 2015-12-15T11:21:39.510

First of all I want to make it clear that Mathematica does import this file correctly.

MAT files can contain multiple variables. When importing a MAT file, Mathematica always returns a list of the values of these variables. It appears that your MAT file contains a 3D array. Thus Mathematica returns a list with a single element, that element being a 3D array.

If instead of the "Data" element you import the "LabeledData" or "Labels" elements, you will be able to see the variable names as well.

It also appears that your file contains an array of logical type (i.e. MATLAB's Boolean type). Importing it gives an array of True and False values. MATLAB displays "true" as 1, but don't be mistaken: this is not a number, it is a truth value. See here: http://www.mathworks.com/help/matlab/ref/logical.html

Mathematica does not import .mat file correctly

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