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J. Alex Lee


Last seen: 25 días hace Con actividad desde 2016

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Respondida
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...

alrededor de 1 mes hace | 1

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Respondida
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...

alrededor de 1 mes hace | 0

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Respondida
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...

alrededor de 1 mes hace | 0

Respondida
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 ...

alrededor de 1 mes hace | 0

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Respondida
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 = ...

alrededor de 1 mes hace | 0

Respondida
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...

alrededor de 1 mes hace | 2

Respondida
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...

alrededor de 1 mes hace | 2

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Respondida
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...

alrededor de 2 meses hace | 0

Respondida
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...

alrededor de 2 meses hace | 0

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Respondida
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 meses hace | 0

Respondida
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 meses hace | 0

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Respondida
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 meses hace | 1

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Resuelto


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 meses hace

Resuelto


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 meses hace

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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 meses hace

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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 meses hace

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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 meses hace

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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 meses hace

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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 meses hace

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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 meses hace

Respondida
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 meses hace | 1

Respondida
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 meses hace | 0

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Resuelto


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 meses hace

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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 meses hace

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

2 meses hace | 0

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

2 meses hace

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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 meses hace

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Create a vector
Create a vector from 0 to n by intervals of 2.

2 meses hace

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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 meses hace

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

2 meses hace

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