cartesian | generator for complex configurations
kandi X-RAY | cartesian Summary
kandi X-RAY | cartesian Summary
There's a specific subset of problems in IT industry that have to do with big and somewhat regular domains, but not fully so. Consider the task of configuring a test suite. You have a fleet of different boxes, with different processors, different operating systems, different compilers, you want to run different tests and to do so with different compile-time and run-time options. In theory, the test suite would be a perfectly regular N-dimensional matrix featuring all the dimensions mentioned above. But that's where the complexity kicks in: Oh! MSVC only works on Windows! Test X requires 8G of memory and the box Y only has 4G available. Shared libraries have .so extension on Linux, .dll extension on Windows and .dylib extension on OSX. I need to switch on valgrind for test X an box Y temporarily to debug a problem. Support for SPARC in our preferred version of LLVM doesn't quite work yet. We need to use older version of LLVM on SPARC plarforms. And so on and so on. Trying to address this complexity by hand results in a big mess. Trying to address it via inheritance hierarchies doesn't work well either: Different dimensions don't aggregate in classic inheritance hierarchies, rather, they are composed in each-with-each combinatorial manner.
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cartesian Key Features
cartesian Examples and Code Snippets
Lines of Code : 4
License : No License
Copyconst cartesianProduct = (a, b) =>
a.reduce((p, x) => [...p, ...b.map(y => [x, y])], []);
cartesianProduct(['x', 'y'], [1, 2]);
// [['x', 1], ['x', 2], ['y', 1], ['y', 2]]
def rotate(
x: float, y: float, z: float, axis: str, angle: float
) -> tuple[float, float, float]:
"""
rotate a point around a certain axis with a certain angle
angle can be any integer between 1, 360 and axis can be any one of
function cartesianProduct(sets, index, current) {
if (index === sets.length) {
return result.push(current.slice());
}
for (var i = 0; i < sets[index].length; i += 1) {
current[index] = sets[index][i];
cart def _cartesian_product(first, second):
"""Returns all path combinations of first and second."""
return [os.path.join(f, s) for f in first for s in second] Community Discussions
Trending Discussions on cartesian
QUESTION
I'm trying to explode a data table into a time series by populating future time steps with values of zero. The starting data table has the following structure. Values for V1 and V2 can be thought of as values for the first time step.
ANSWER
Answered 2021-Jun-15 at 04:05I got an error with that last step, but if you have a more recent version of data.table that behaves differently hten by all means just :
QUESTION
I have trouble finding easy examples how to write simple UDF's (user defined functions) for LO Calc, that uses arrays as arguments or gives arrays as output e.g. array functions.
I need simple example UDF that takes array and gives single number as output, like count() function.
I need simple example where UDF that is array function, that takes two arrays and produces array that is Cartesian product of two arrays.
It would be nice if to have a comment for every step.
...ANSWER
Answered 2021-Jun-14 at 11:59The simplest UDF for the first case looks like this:
QUESTION
As seen on the picture, I need a math formula that calculate the red circled point with cartesian coordonate that will make equidistant lines. It is not simple trigonometry I guess...
My goal is to be able to calculate cartesian point around half of the circle and trace my lines from it.
Using p5js, I'll use random value from Perlin noise mixing it with sin or cos (whatever...) to trace my lines from those points. At start it's a math problem, the rest should be pretty easy for me since I already have a good base that work, but need to be optimized with this math.
Any clue ?
...ANSWER
Answered 2021-Jun-10 at 09:35This is a matter of converting between angles (polar coordinates) and Cartesian coordinates.
Here is a function calculateLines(x, y, radius, dist, angle, shift) that takes the coordinate of the center, the radius of the circle, the distance between the lines, the angle of the lines (in radians), and the shift of the lines (perpendicular to their direction). It returns an array with segments. A segment is determined by a pair of coordinates, i.e. [x1, y1, x2, y2].
The below snippet allows you to play with these parameters and see the result interactively:
QUESTION
I have a nested loop, which will assemble all variations of params. the more params, the bigger the nesting will become.
...ANSWER
Answered 2021-Jun-09 at 14:28You can use still use itertools.product, just zip back the keys and values
QUESTION
Suppose I have two mpl lists, say
...ANSWER
Answered 2021-Jun-09 at 09:57You could use Boost MP11 similar to this to merge merge the two lists to a single Cartesian product as follows
QUESTION
How do I join tables A and B (see pic) on TripID and where TimeTriggered is between SegmentStart and SegmentEnd?
I could try:
...ANSWER
Answered 2021-Jun-06 at 17:55You can arbitrarily choose one of them using apply:
QUESTION
From everything I've seen we access the y axis on a 2-axis cartesian graph like so:
chart.options.scales.yAxes[0]
However I get 'undefined'. This despite the fact that my chart is generated with the following dictionary:
ANSWER
Answered 2021-Jun-05 at 12:48Your options are defined in the Chart.js version 2 syntax.
scales.[x/y] axes arrays were removed in Chart.js version 3 (see specific changes). Scales are now configured directly to options.scales object with the object key being the scale id.
QUESTION
I have a single csv file whose contents are as follows -
...ANSWER
Answered 2021-Jun-02 at 18:43You can ignore the cartesian product warning, since that exact approach is needed in order to create the relationships that form the patterns you need.
As for the multiple relationships, it's possible you may have run the query twice. The second run would have created the duplicate relationships. You could use MERGE instead of CREATE for the relationships, that would ensure that there would be no duplicates.
QUESTION
I have created a line chart and on hover of the points am not able to see the tooltips. It seems to throw error while hovering on line points. TypeError: Cannot read property 'format' of undefined
So far I was able to render the line chart with time data which required the adapters. As per the docs, tried changing the units and wanted to see axis labels but that is also not visible.
Below is the Chart configuration and fiddle:
ANSWER
Answered 2021-May-30 at 14:02This is because you added an adapter but forgot to add the corosponding date library. See working example:
QUESTION
Have the function RectangleArea(strArr) take the array of strings stored in strArr, which will only contain 4 elements and be in the form (x y) where x and y are both integers, and return the area of the rectangle formed by the 4 points on a Cartesian grid. The 4 elements will be in arbitrary order. For example: if strArr is ["(0 0)", "(3 0)", "(0 2)", "(3 2)"] then your program should return 6 because the width of the rectangle is 3 and the height is 2 and the area of a rectangle is equal to the width * height.
For example -
...ANSWER
Answered 2021-Jan-07 at 06:31Below function will work provided you input the correct set of coordinates of rectangle
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