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How to make a matrix with negative indexes?

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Brooke Gest
Brooke Gest on 19 Apr 2019
Commented: Stephen Cobeldick on 19 Apr 2019
I keep trying to make a matrix with negative indexes but this error pops up: Array indices must be positive integers or logical values. Does anyone know how to fix this?

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Stephen Cobeldick
Stephen Cobeldick on 19 Apr 2019
It sounds as if you might be trying to define a function of an independent variable. Please explain your algorithm in more detail.

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Answers (2)

Image Analyst
Image Analyst on 19 Apr 2019
It's explained pretty well in the FAQ: click here

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Walter Roberson
Walter Roberson on 19 Apr 2019
Modify
Another approach is to sprintf() the list of indices into a character vector, and use that as a key for containers.Map() . Some work would be involved if you wanted to use : indices or range indices.

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