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# Eike Blechschmidt

Last seen: 3 meses ago Active since 2021

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function value VS function handle?
With both statements you call the function. If you want the function handle you need to do: kk1 = @func1;

9 meses ago | 0

Solved

Undocumented MATLAB tricks No. 1 - Save a function-returned struct
Often we face the case when we want to save a function-returned struct to a mat file with each of its field as individual variab...

9 meses ago

Plot a sine wave with decreasing frequency over time
The easiest and correct is probably to use: f1 = 50; f2 = 10; t = 0:0.001:10; y = chirp(t,f1,t(end),f2); plot(t, y);

10 meses ago | 0

Plot a sine wave with decreasing frequency over time
How about f_upper = 50; f_lower = 10; t = 0:0.01:10; f = linspace(f_upper, f_lower, numel(t)); a = 10; x = a * sin(2*pi*f....

10 meses ago | 0

Solved

3n + 1 Problem (a.k.a The Collatz Conjecture)
The 3n + 1 problem (a.k.a The Collatz Conjecture) Consider the following algorithm to generate a sequence of numbers. Start wit...

10 meses ago

How to solve "Check for incorrect argument data type or missing argument in call to function 'exp'" in matrix for linear program
The following returns a table. X=readtable('Simulated Log Electricity Prices Test'); If you index it using the following a tab...

10 meses ago | 1

| accepted

Speed up a for loop in my programme?
If I understood you right this could do the trick and is about 2.5x faster on my machine. tic(); X=rand(size2*size2,1)*2*pi-pi...

10 meses ago | 0

Table variable subscripts must be real positive integers
I guess you just forgot the quotation marks around benchmarkName and assetNames.

10 meses ago | 0

Adding elements to the ends of vectors inside a cell array of vectors
You could use arrayfun: arrayfun(@(l,i1,i2,u) [l x(i1:i2) u], xLower,i1,i2, xUpper, “uniform“, false) This is untested b...

10 meses ago | 1

| accepted

Question

Does fileDatastore not implement "matlab.io.Datastore"?
I'm currently developing a custom datastore that takes an existing datastore and adds some features. In the constructor I would...

10 meses ago | 0 answers | 0