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J. Alex Lee


Last seen: 22 days 前 自 2016 起处于活动状态

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已回答
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...

1 month 前 | 1

| 已接受

已回答
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...

1 month 前 | 0

| 已接受

已回答
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...

1 month 前 | 0

已回答
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 ...

1 month 前 | 0

| 已接受

已回答
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 = ...

1 month 前 | 0

已回答
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...

1 month 前 | 2

已回答
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...

1 month 前 | 2

| 已接受

已回答
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...

1 month 前 | 0

已回答
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...

1 month 前 | 0

| 已接受

已回答
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 months 前 | 0

已回答
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 months 前 | 0

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已回答
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 months 前 | 1

| 已接受

已解决


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 months 前

已解决


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 months 前

已解决


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 months 前

已解决


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 months 前

已解决


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 months 前

已解决


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 months 前

已解决


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 months 前

已解决


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 months 前

已回答
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 months 前 | 1

已回答
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 months 前 | 0

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已解决


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 months 前

已解决


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 months 前

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

2 months 前 | 0

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已解决


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

2 months 前

已解决


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 months 前

已解决


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

2 months 前

已解决


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 months 前

已解决


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

2 months 前

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