.mat matrix use in folder

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Frank Uhlig 2022-6-27

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https://ww2.mathworks.cn/matlabcentral/answers/1748800-mat-matrix-use-in-folder

评论： Walter Roberson 2025-4-17

I have saved a fixed matrix with a name in my current working Matlab folder on Mac. Now it appears as 'G.... .mat' there when I click on "open" in that folder; together with all my function m-files in there. it takes the identical 368 bytes as in the Mac finder.

How can I work with that saved .mat file inside the local m-files in this folder ?

I tried the 'load G... .mat' command but that does not work; I have tried to run some of my codes with 'G... .mat' in place of my general A matrix input. Does not work work either.

I then tried to see the contents of this .mat file by cicking on it in the local Matlab finder window: This shows nothing.

I have read and tried out all what is advised here and on the general internet. Nothing works for me. Why, oh why did I try to save and multiply use that 'G... .mat' matrix, rather than typing it in by hand everytime I want to work on it again ? Why, oh why?

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Cris LaPierre 2025-4-17

Consider sharing the code you used to create your mat file.

Walter Roberson 2025-4-17

在 MATLAB Online 中打开

whos -file "Godunov.mat"

You needed either

whos -file Godunov.mat

whos -file 'Godunov.mat'

whos("-file", "Godunov.mat")

whos('-file', 'Godunov.mat')

When you use command/function equivalence, the parameters are automatically parsed as (single-) quoted character vectors, but the parser knows to ignore leading and trailing single-quotes. The parser does not know to ignore leading and trailing double-quotes so when you specify them, they become part of the literal file name.

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