Community Profile

photo

Matthew


Last seen: Today

North Carolina State University

191 total contributions since 2013

Contact

Matthew's Badges

  • Knowledgeable Level 1
  • Thankful Level 1
  • First Answer
  • Introduction to MATLAB Master
  • Community Group Solver
  • Commenter
  • Speed Demon
  • CUP Challenge Master
  • Solver

View details...

Contributions in
View by

Solved


Reindex a vector
You are given two vectors of equal length. Vector N has numeric values (no Inf or NaN) while vector IDX has integers. Place th...

25 days ago

Solved


Fill a zeros matrix
The aim is to fill an array of all zeros given a numerical value and the index of row and columns for this value. 3 Inputs: ...

25 days ago

Solved


Getting the indices from a matrice
Getting the indices from a matrice. Inspired by Problem 645. Getting the indices from a vector by the great Doug Hull. Given a...

25 days ago

Solved


We love vectorized solutions. Problem 1 : remove the row average.
Given a 2-d matrix, remove the row average from each row. Your solution MUST be vectorized. The solution will be tested for ac...

25 days ago

Solved


Piecewise linear interpolation
Given an Mx2 vector and a row of M-1 integers, output a two column vector that linearly interpolates Y times between each succes...

25 days ago

Solved


Find nth maximum
Find nth maximum in a vector of integer numbers. Return NaN if no such number exists. x = [2 6 4 9 -10 3 1 5 -10]; So ...

25 days ago

Solved


Create a vector whose elements depend on the previous element
The idea is to create a vector A whose elements depend on the previous element : *A(i+1) = 2*A(i)+1* *2 Inputs*: - A : The...

25 days ago

Solved


Create an index-powered vector
Given a input vector x, return y as index-powered vector as shown below. Example x = [2 3 6 9] then y should be [...

25 days ago

Solved


Max index of 3D array
Given a three dimensional array M(m,n,p) write a code that finds the three coordinates x,y,z of the Maximum value. Example ...

25 days ago

Solved


Create an n-by-n null matrix and fill with ones certain positions
The positions will be indicated by a z-by-2 matrix. Each row in this z-by-2 matrix will have the row and column in which a 1 has...

25 days ago

Solved


Generate a vector like 1,2,2,3,3,3,4,4,4,4
Generate a vector like 1,2,2,3,3,3,4,4,4,4 So if n = 3, then return [1 2 2 3 3 3] And if n = 5, then return [1 2 2...

25 days ago

Solved


Breaking Out of the Matrix
Do you want to take the Red Pill, or the Blue Pill? If you take the Blue Pill, you will simply pass along to the next problem...

25 days ago

Question


Scattered Interpolation: Defining my own triangulation?
I'm interpolating data the comes from polar coordiate systems or terrain-following coordiante system used in numerical weather m...

1 month ago | 0 answers | 0

0

answers

Solved


Project Euler: Problem 1, Multiples of 3 and 5
If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. The sum of these multiples is 23...

2 months ago

Solved


Interpolator
You have a two vectors, a and b. They are monotonic and the same length. Given a value, va, where va is between a(1) and a(end...

3 months ago

Solved


Balanced number
Given a positive integer find whether it is a balanced number. For a balanced number the sum of first half of digits is equal to...

3 months ago

Solved


Making change
Given an amount of currency, return a vector of this form: [100 50 20 10 5 2 1 0.5 0.25 0.1 0.05 0.01] Example: Input a = ...

3 months ago

Answered
how can i show my hyperspectral data in a two dimensional projection of hyperspectral cube?
To control the orientation of the image, read the documentation for 3-D camera control: https://www.mathworks.com/help/matlab/v...

4 months ago | 0

Answered
How to calculate mean value of a parameter within interval of other parameters
Assuming I've understood your description of your arrays correctly... i.e. that int_X and int_Y contain max and min values for t...

4 months ago | 0

Question


Exportgraphics and TiledLayout: Figure Handle vs TiledLayout handle?
In the documentation for exportgraphics, when saving a multi-panel plot make with TiledLayout, the TiledLayout handle is passed ...

4 months ago | 1 answer | 0

1

answer

Solved


Symmetry of vector
Determine whether the vector is symmetric or not (vector could be even or odd in length). For example: x = [1 2 3 3 2 1] ...

4 months ago

Answered
How can I plot RHI from weather radar data ?
I suggest using PyART. But, for Matlab: If you have a cfradial type data file the data are stored in 2-D arrays (gates x rays ...

4 months ago | 0

Answered
How to vary the pixel size in matlab imagesc() plot?
What I understand your issue to be is that you have non-uniform spacing of you data points along the x-axis of your data and you...

4 months ago | 0

Solved


Is the Point in a Triangle?
Check whether a point or multiple points is/are in a triangle with three corners Points = [x, y]; Triangle = [x1, y1; x...

4 months ago

Solved


Calculate the area of a triangle between three points
Calculate the area of a triangle between three points: P1(X1,Y1) P2(X2,Y2) P3(X3,Y3) these three points are the vert...

4 months ago

Solved


Natural numbers in string form
Create a cell array of strings containing the first n natural numbers. _Slightly_ harder than it seems like it should be. Ex...

4 months ago

Answered
how can i show my hyperspectral data in a two dimensional projection of hyperspectral cube?
If your data is something like (x,y,spectra), you could try: imagesc(your_data(:,:,1)); If your data is like (spectra, x, y) ...

4 months ago | 0

| accepted

Solved


Create a cell array out of a struct
Create a cell array out of a (single) struct with the fieldname in the first column and the value in the second column: in: ...

4 months ago

Question


exportgraphics: need error explained
I'm trying to export of multi-panel plot that contains 4 imagesc plots and two surf plots with the new exportgraphics command wi...

4 months ago | 0 answers | 0

0

answers

Solved


Convert given decimal number to binary number.
Convert given decimal number to binary number. Example x=10, then answer must be 1010.

4 months ago

Load more