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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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...

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...

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

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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

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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 ...

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...

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

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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) ...

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

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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

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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