Yvan Lengwiler

Last seen: 3 mois il y a | Actif depuis 2007

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Professional Interests: finance, asset pricing, auction theory, differential equations

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X-13 Toolbox for Seasonal Filtering
Matlab toolbox providing access to X-13 seasonal adjustment programs of the US Census Bureau.

8 mois il y a | 53 téléchargements |

A résolu

Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

environ 3 ans il y a

Réponse apportée
Turn logical matrix into string vector
(I wrote my answer as a comment above. Sorry. Here it is as a formal answer.) Of course, even if a solution does not appear to ...

plus de 3 ans il y a | 0

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how to reset drop down list(go to first option) when pushing any other button in App designer
Your ItemsData are strings app.ElementLisDropDown.ItemsData = {'1', '2', '3', '4', '5'}; but the value you assign is an intege...

presque 4 ans il y a | 0

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For loop: access values in between steps
for i = 1:3:100 %do something with rows 1, 4, 7, 10, ... end for i = 2:3:100 %do something with rows 2, 5, 9, 11, ...

presque 4 ans il y a | 0

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Import PWT, MPD, and JST Databases
Downloads the Penn World Table, the Maddison Project Data, and the Jordà-Schularick-Taylor Data from the web.

environ 5 ans il y a | 3 téléchargements |

A soumis

getxls
GETXLS is a GUI that allows you to easily transfer data from an Excel file into Matlab's workspace.

environ 5 ans il y a | 5 téléchargements |

Question

Read VBA Module in Excel via ActiveX
I run ML 2019a. I know how to connect with the Excel COM server. I know how to read and write material from and into an Excel sp...

environ 5 ans il y a | 1 réponse | 0

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how to add a separator line in popup uicontrol?
Here's a solution to this problem. function MyGUI hline = '--------------------------------'; % string for a h...

plus de 8 ans il y a | 0

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logticks
logticks replaces the y-axis ticks of a logarithmic graph with the non-logarithmic values.

plus de 8 ans il y a | 2 téléchargements |

Question

copy a dynamicprops object by value
I've created a class that is a subclass of dynamicprops, classdef myclass < dynamicprops When I create an instance of t...

presque 10 ans il y a | 1 réponse | 0

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A soumis

The X Collection
Collection of programs that ease interaction with Excel files.

presque 10 ans il y a | 2 téléchargements |

A soumis

Straightforward COPY and PASTE functions
Allows very simple manual exchange with other applications through the clipboard.

presque 10 ans il y a | 4 téléchargements |

A résolu

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...

plus de 12 ans il y a

A résolu

So many choices
For inputs _n_ and _k_ (in that order), output the number of ways that k objects can be chosen from amongst n distinct objects. ...

plus de 12 ans il y a

A résolu

Find the sum of the elements in the "second" diagonal
Find the sum of the elements in the diagonal that starts at the top-right corner and ends at the bottom-left corner.

plus de 12 ans il y a

A résolu

Make one big string out of two smaller strings
If you have two small strings, like 'a' and 'b', return them put together like 'ab'. 'a' and 'b' => 'ab' For extra ...

plus de 12 ans il y a

A résolu

Remove NaN ?
input -> matrix (n*m) with at least one element equal to NaN; output -> matrix(p*m), the same matrix where we deleted the enti...

plus de 12 ans il y a

A résolu

De-dupe
Remove all the redundant elements in a vector, but keep the first occurrence of each value in its original location. So if a =...

plus de 12 ans il y a

A résolu

Arrange Vector in descending order
If x=[0,3,4,2,1] then y=[4,3,2,1,0]

plus de 12 ans il y a

A résolu

the fly, the train, the second train, and their Zeno's paradox
*You have heard this one*: A train leaves station _A_ and travels with constant velocity _v1_. A second train leaves station _B_...

plus de 12 ans il y a

A résolu

System of equations
Find a solution to a system of equations represented by a |n| by |n+1| matrix. For instance, [ 2 0 4; => 2*x = 4 ...

plus de 12 ans il y a

A résolu

given 3 sides, find area of this triangle
1:3 -> 0; 3:5 -> 6

plus de 12 ans il y a

A résolu

Program an exclusive OR operation with logical operators
Program an exclusive or operation *without* using the MATLAB function xor. Use logical operators like |, &, ~, ... instead. ...

plus de 12 ans il y a

A résolu

Right and wrong
Given a vector of lengths [a b c], determines whether a triangle with those sides lengths is a right triangle: <http://en.wikipe...

plus de 12 ans il y a

A résolu

All your base are belong to us
Find the base _b_ logarithm of the input decimal number _x_. Express the output as a decimal number. The first argument is the n...

plus de 12 ans il y a

A résolu

Triangle Numbers Below N
This is an offshoot of <http://www.mathworks.com/matlabcentral/cody/problems/5-triangle-numbers Cody Problem 5: Triangle Numbers...

plus de 12 ans il y a

A résolu

Test for balanced parentheses
Given the input inStr, give the boolean output out indicating whether all the parentheses are balanced. Examples: * If ...

plus de 12 ans il y a

A résolu

Sorting
Assume that x is an n-by-2 matrix. The aim is to return the first column of x, but sorted according to the second column. Exa...

plus de 12 ans il y a

Problème

Sorting
Assume that x is an n-by-2 matrix. The aim is to return the first column of x, but sorted according to the second column. Exa...

plus de 12 ans il y a | 2 | 298 solveurs

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Yvan Lengwiler

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