Recent questions tagged Vector

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vector - Python numpy: Convert string in to numpy array

I have following String that I have put together: v1fColor = '2,4,14,5,0,0,0,0,0,0,0,0,0,0,12,4,0,0,0,0,0,0,0,0 ... 1,2,0,0,0,0,0,0,0,0,0,17,17, See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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vector - Removing a comma from a c++ output

I wrote this program that sorts numbers in vectors from greatest to least, it works great but the only thing that ... can I remove that comma? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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vector - Assigning a specific number of values informed by a probability distribution (in R)

Hello and thanks in advance for the help! I am trying to generate a vector with a specific number of values that ... 0 Any ideas? Thanks again! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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vector - Matlab: need some help for a seemingly simple vectorization of an operation

I would like to optimize this piece of Matlab code but so far I have failed. I have tried different combinations ... , Thanks a lot in advance. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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vector - R: removing numbers at begin and end of a string

I've got the following vector: words <- c("5lang","kasverschil2","b2b") I want to remove "5" in "5lang" and "2 ... want to remove "2" in "b2b". See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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vector - Why use Float.floatToIntBits() in Java float comparisons?

In JBox2d, there exists the following code for Vec2.equals(): @Override public boolean equals(Object obj) { // ... hash IDs must be integers. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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vector field visualisation R

I have a big text file with a lot of rows. Every row corresponds to one vector. This is the example of each ... How could I do this? Thank you See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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vector - How do I get a slice of a Vec<T> in Rust?

I can not find within the documentation of Vec<T> how to retrieve a slice from a specified range. Is there something ... // Contains [1, 2]; See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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vector - The difference between & and && in R

I have read http://stat.ethz.ch/R-manual/R-devel/library/base/html/Logic.html and the difference between & ... two vectors should not be equal. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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vector string push_back is not working in c++

This code snippet receives string, delimiter(space) and vector as argument and splits the string according to delimiter ... input,delim,item); } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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vector - R: in barplot midpoints are not centered w.r.t. bars

I have just noticed something strange using barplot in R. Let y be the vector > y [1] 24924006 15310556 ... with centered mid-points. Thanks! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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vector - How can I take an item from a Vec in Rust?

I'm looking for a method that consumes a Vec and returns one element, without the overhead of restoring ... above question address my question. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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vector - How can I take ownership of a Vec element and replace it with something else?

I am writing a function of the following format: fn pop<T>(data: &mut Vec<Option<T>>) -> Option<T> { / ... in seeing if there's another way. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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vector - How to swap the elements of an array, slice, or Vec?

I want to swap elements of slice data using library function, but it doesn't work because of multiple borrowing: ... to swap elements in slices? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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588 views

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vector - Accessing the last element of a Vec or a slice

I have some code that looks like this: trait Stack { fn top(&mut self) -> Option<f64>; } impl Stack for ... and readable as I think it should. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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371 views

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vector <template>, c++, class, adding to vector

I am trying to create a class thats going to draw elements from a set of vectors (and also hold these vectors ... use example code, thanks :) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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354 views

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vector graphics - Scale different parts of SVG file differently

I need a variable-height svg-graphic for a ticket with serrated edges. The top and bottom segments should scale to ... was able to help me out. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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485 views

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vector - C method for iterating through a struct's members like an array?

Let's say I have a vector class: typedef struct vec3_s { float x, y, z; } vec3; But, I would like to be ... in the header file it's defined in? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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429 views

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vector of variable names in R

I'd like to create a function that automatically generates uni and multivariate regression analyses, but I'm not able to ... any answers... //M See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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533 views

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vector - Element-wise Operations In Javascript

I'm doing some physics simulations which of course involve vectors. This has become very difficult for me because ... Thanks for the help all. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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344 views

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vector - How can I implement Offset Path Effect in SVG without using Javascript or dilate/erode filters?

I have a long time project: a basic vector graphic tool which runs in browser and uses SVG and Javascript ( ... Offset Path Effect and how? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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404 views

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vector - swift: orient y-axis toward another point in 3-d space

Suppose you have two points in 3-D space. Call the first o for origin and the other t for target. The ... that was 50 years ago anyway. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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478 views

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vector - svg: generate 'outline path'

I have a set of coordinates that I turn into an svg path (using cubic beziers to make it smooth). When I apply a ... #000000" fill="none"/> </g> See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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443 views

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vector - N-Body Gravity Simulation in JavaScript

So, I am trying to create a N-Body Gravity simulation in JavaScript: http://jsfiddle.net/4M94x/ var ... is my gravity implementation correct? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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597 views

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vector - In Matlab how do I change the arrow head style in quiver plot?

I would like to change the default arrow head style in quiver plot. How can I change it? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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449 views

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vector - Android Selector Drawable with VectorDrawables srcCompat

I'm facing a problem with the new backward compatibility with VectorDrawables. In the Support Library 23.2 was a ... = true Gradle 2.0 See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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367 views

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vector - Fortran array automatically growing when adding a value

Is there any existing way to emulate growing array in Fortran? Like vector in C++. I was very surprised when ... I should allocate for this. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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582 views

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vector - How does MATLAB's colon operator work?

As noted in this answer by Sam Roberts and this other answer by gnovice, MATLAB's colon operator (start:step:stop) ... step*15 - 5 ans = 0 See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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