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Added median()

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Revar Desmera 2020-03-17 01:13:47 -07:00
parent 412dd9e260
commit 3ac23e15e6
2 changed files with 35 additions and 16 deletions
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23
math.scad
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@ -519,8 +519,8 @@ function product(v, i=0, tot=undef) = i>=len(v)? tot : product(v, i+1, ((tot==un
// Function: mean()
// Description:
// Returns the mean of all entries in the given array.
// If passed an array of vectors, returns a vector of mean of each part.
// Returns the arithmatic mean/average of all entries in the given array.
// If passed a list of vectors, returns a vector of the mean of each part.
// Arguments:
// v = The list of values to get the mean of.
// Example:
@ -529,6 +529,25 @@ function product(v, i=0, tot=undef) = i>=len(v)? tot : product(v, i+1, ((tot==un
function mean(v) = sum(v)/len(v);
// Function: median()
// Usage:
// x = median(v);
// Description:
// Given a list of numbers or vectors, finds the median value or midpoint.
// If passed a list of vectors, returns the vector of the median of each part.
function median(v) =
assert(is_list(v))
assert(len(v)>0)
is_vector(v[0])? (
assert(is_consistent(v))
[
for (i=idx(v[0]))
let(vals = subindex(v,i))
(min(vals)+max(vals))/2
]
) : (min(v)+max(v))/2;
// Section: Matrix math
// Function: linear_solve()

2
version.scad
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@ -8,7 +8,7 @@
//////////////////////////////////////////////////////////////////////
BOSL_VERSION = [2,0,197];
BOSL_VERSION = [2,0,198];
// Section: BOSL Library Version Functions