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2
votes
3answers
114 views

Any way to reverse span and join two span in Mathematica?

I port a matlab code to mathematica. In the original matlab code, I use ":" to pick up the desired elements in a matrix. In mathematica, I find in the documentation that the span operator is ";;" ...
5
votes
1answer
95 views

ArrayPlot: space between displayed data and frame

When I execute the lines ...
5
votes
2answers
234 views

Grid - problem with ItemSize being ignored

I have run into another problem with Grid today. An explicitly specified ItemSize is being ignored: ...
2
votes
2answers
160 views

Manipulating spacing in a text object

I want to visually illustrate substitution in a mathematical expression. This is an example: ...