18,607 reputation
13695
bio website ibnhconsulting.blogspot.com
location Melbourne
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visits member for 2 years, 10 months
seen 4 hours ago

11h
comment Function to calculate finite difference
Agree with @Jens. This is not easy to find. You have to already know it is there in order to know it is there! But it should solve your problems.
1d
comment Turn a string into a list of strings
Or just StringSplit["kspe", ""]
2d
revised dropOperator done on Matrix of a Matrix - How is this done?
added 244 characters in body
2d
revised dropOperator done on Matrix of a Matrix - How is this done?
added 245 characters in body
2d
revised dropOperator done on Matrix of a Matrix - How is this done?
added 196 characters in body
2d
revised dropOperator done on Matrix of a Matrix - How is this done?
added 196 characters in body
2d
answered dropOperator done on Matrix of a Matrix - How is this done?
2d
comment How to build this grid with less code?
I like your answer ...although I've never liked using Item :)
2d
revised How to build this grid with less code?
added 169 characters in body
2d
comment How to build this grid with less code?
+1 nice use of negative indexes to avoid rotating functions
2d
comment How to build this grid with less code?
@Edmund I find it more intuitive doing it that way but it is up to individual preference
2d
revised How to build this grid with less code?
added 98 characters in body
2d
comment How to build this grid with less code?
wanted to simply address using MapIndexed rather than Item for styling of Grid but will update
2d
answered How to build this grid with less code?
2d
comment Volterra integral equation
ditto a search for "Fredholm equations"
Nov
20
answered Gridbox alignment problem
Nov
17
comment Can I generate matrices with a constraint?
There will be examples in the docs. Maybe start with SparseArray
Nov
16
comment Can I use 'ItemStyle' in 'Grid' to specify the style of individual items?
sorry. this one: mathematica.stackexchange.com/questions/65356/…
Nov
13
comment Why DynamicModule does not plot the intersection region and does others?
Dynamic@TranslationTransform[pt][Vertices[Hexagon]]; does nothing. Dynamic updates pixels on the screen so whenever you have Dynamic@Something; nothing is being updated.
Nov
10
revised What is the best way to draw a shaded table?
added 571 characters in body