Raising and lowering indices: is it a convention?
100272
Why do we select the metric tensor for raising and lowering indices?
85976
Implementing linear regression with standardization
67559
Ridge\Lasso -- Standardization of dummy indicators
104672
Greek `\chi`'s subscript expressions: how to make it smaller or offset lower?
135341
number theory about index
105678
Smaller vs. less vs. lesser
22519
Investing in low cost index fund -- does the timing matter?
98422
why do we use 'non-increasing' instead of decreasing?
14514
Why do Mathematica list indices start at 1?
215
Spinor dotted and undotted indices
42824
understanding the documentation of the standard evaluation sequence: own values
30713
How to interpret the output for calculating concordance index (c-index)?
74628
Bounded index of nilpotency
83013
Difference between slanted indices on a tensor
132440
Should the mean be used when data are skewed?
60914
Square bracket notation for dimensions and units: usage and conventions
74149
Reducing an indicator function summation into a simpler form.