# J. Alex Lee

**Statistics**

RANK**163**

of 271.723

REPUTAZIONE**655**

CONTRIBUTI

**8** Domande

**259** Risposte

ACCETTAZIONE DELLE RISPOSTE **
75.0%
**

VOTI RICEVUTI**88**

CONTRIBUTI**0 Post**

CONTRIBUTI**0** Pubblico Canali

VALUTAZIONE MEDIA

CONTRIBUTI**0** Punti principali

NUMERO MEDIO DI LIKE

**Content Feed**

How to group statistics by 2 variables for plotting?

are you looking for something like this? load("VolcRegion_clust.mat") T = cell2table(VolcType_clust,"VariableNames",["Region...

circa un mese fa | 1

| accettato

Increasing speed by fixing axis and grid outside of a loop

I think what Torsten is getting after is: do you intend to keep the history of all the previous pairs you plotted? But I'm goin...

circa un mese fa | 0

| accettato

morphing a surface over 3D data

It's hard to give specific ideas without knowing the shape, but... "The final goal is to obtain a triangulated surface that con...

circa un mese fa | 0

how to remove jumps?

Are you looking at the diff() of the signals? Maybe you can find the locations of the jumps as where the largest absolute value ...

circa un mese fa | 0

| accettato

How to draw a ball by plot3?

like this? but it doesn't use plot3 [x,y,z] = sphere(64); p = surf(x,y,z,"FaceColor","interp","EdgeColor","none"); p.CData = ...

circa un mese fa | 0

条件ごとに計算させるにはどうすればよいか

Gomen, kana tukaemasen. mask ni kanshiteha "logical indexing" wo search shitemitekudasai: link @(x)fun ni kanshiteha "anonymou...

circa un mese fa | 2

条件ごとに計算させるにはどうすればよいか

Do you know about the function "atan2", which might be helpful M1 = readmatrix("tmp.txt"); tc = 1/1000000; % no need to...

circa un mese fa | 2

| accettato

Using readtable (or similar) to import multiple ranges of data

it's hard to say without seeing the csv file, but it sounds like the data is not really tabular, and you may be better off using...

circa 2 mesi fa | 0

I want to store tables in a for loop to excel

Assuming the columns in the table are always the same, and you generate multiple versions of a table in the loop, and want to sa...

circa 2 mesi fa | 0

| accettato

How to combine group of plots into one with separate marker

Assuming that each figure only has 1 axes and you want the first axes to be the one you want to copy into fig(1) = open('f1.fig...

2 mesi fa | 0

enable/disable menu next to radiobuttons when those are selected/deselected

You are hiding how you created the radio buttons in the gui creation, but a big question is whether when you say "2 button group...

2 mesi fa | 0

| accettato

How to select rows in a table containing both string and numbers?

Look up how to index tables, and ismember. % your table name: modal_displacements % extract the columns of interest, if you ...

2 mesi fa | 1

| accettato

Risolto

Is this triangle right-angled?

Given three positive numbers a, b, c, where c is the largest number, return *true* if the triangle with sides a, b and c is righ...

2 mesi fa

Risolto

Find a Pythagorean triple

Given four different positive numbers, a, b, c and d, provided in increasing order: a < b < c < d, find if any three of them com...

2 mesi fa

Risolto

Is this triangle right-angled?

Given any three positive numbers a, b, c, return true if the triangle with sides a, b and c is right-angled. Otherwise, return f...

2 mesi fa

Risolto

Triangle sequence

A sequence of triangles is constructed in the following way: 1) the first triangle is Pythagoras' 3-4-5 triangle 2) the s...

2 mesi fa

Risolto

Length of the hypotenuse

Given short sides of lengths a and b, calculate the length c of the hypotenuse of the right-angled triangle. <<https://i.imgu...

2 mesi fa

Risolto

Area of an equilateral triangle

Calculate the area of an equilateral triangle of side x. <<https://i.imgur.com/jlZDHhq.png>> Image courtesy of <http://up...

2 mesi fa

Risolto

Side of an equilateral triangle

If an equilateral triangle has area A, then what is the length of each of its sides, x? <<https://i.imgur.com/jlZDHhq.png>> ...

2 mesi fa

Risolto

Side of a rhombus

If a rhombus has diagonals of length x and x+1, then what is the length of its side, y? <<https://imgur.com/x6hT6mm.png>> ...

2 mesi fa

Undefined function 'isnan' for input arguments of type 'Nodes2'

For reference, a related question that shows more of the actual classes in question: https://www.mathworks.com/matlabcentral/ans...

2 mesi fa | 1

appdesigner, choosing from dropdown different functions

I suspect your problem is that your conditional is flawed. To test, put in an "else" to check if your conditional is not being m...

2 mesi fa | 0

| accettato

Risolto

Area of an Isoceles Triangle

An isosceles triangle has equal sides of length x and a base of length y. Find the area, A, of the triangle. <<https://imgur...

2 mesi fa

Risolto

Dimensions of a rectangle

The longer side of a rectangle is three times the length of the shorter side. If the length of the diagonal is x, find the width...

2 mesi fa

Shift a curve in logarithmic scale

shifting in log scale is actually a multiplication, not an addition - is that what you need?

2 mesi fa | 0

| accettato

Risolto

Vector creation

Create a vector using square brackets going from 1 to the given value x in steps on 1. Hint: use increment.

2 mesi fa

Risolto

Doubling elements in a vector

Given the vector A, return B in which all numbers in A are doubling. So for: A = [ 1 5 8 ] then B = [ 1 1 5 ...

2 mesi fa

Risolto

Flip the vector from right to left

Flip the vector from right to left. Examples x=[1:5], then y=[5 4 3 2 1] x=[1 4 6], then y=[6 4 1]; Request not ...

2 mesi fa

Risolto

Whether the input is vector?

Given the input x, return 1 if x is vector or else 0.

2 mesi fa