Frage

parfor loop with strings
I have the following parfor with functions F1-F3: S = strsplit(['hund kat jensen']); parfor J=1:length(S) if ...

mehr als 6 Jahre vor | 0 Antworten | 0

Frage

Get the row values with some rules
Hello, imagine I have a table where column 1 is string and column 2 is a ID, and column 3 is the value I want to recieve: 'h...

mehr als 6 Jahre vor | 0 Antworten | 0

Frage

Round down lowest number in a decimal number
Hello, say I have a number 4.214513. Then I need to return 4.21. Likewise if I have 4.219999, I need to return 4.21. Is there an...

mehr als 6 Jahre vor | 1 Antwort | 0

Frage

Need digest output from HMAC sha-256
Hello. I need to Generate a HMAC-key by base64-decoding a given key (resulting in 64 bytes). Then I need to use the HMAC-key ...

mehr als 6 Jahre vor | 0 Antworten | 1

Frage

Authentication GDAX exhcange API, signing-problem
Hello, I got problem connecting GDAX exchange API and it looks like I fail in delivering the signature because it responds: "inv...

mehr als 6 Jahre vor | 0 Antworten | 1

Frage

Remove and clear things in a table for presentation
I have a table like this: T = 2x3 table percent cars cats ________ _________...

mehr als 6 Jahre vor | 2 Antworten | 0

Frage

Add newer data to older data without repetition
Imagine 2 two datasets where column 1 is a timestamp, column 2 is data (can be more columns). Yesterday i had this: A = ...

fast 7 Jahre vor | 2 Antworten | 0

Frage

Is it possible somehow to make angled brackets to struct?
Hello, I have a data response set that looks like this in workspace (below value): '[[123,456,789],[321,654,987],[231,564,897]...

fast 7 Jahre vor | 1 Antwort | 0

Beantwortet
do not show hidden file in current folder
I have same problem, did you ever fix it ?

fast 7 Jahre vor | 0

Frage

sort( ) do not work (or?)
Hello, Got a strange problem with the sort( ) function (I tried with sortrows as well, - same problem exist).. I just attach...

mehr als 9 Jahre vor | 1 Antwort | 0

Frage

A general question of matrix to matrix
Hello buddies, I have 2 matrices: a = [ 1 2 3; 4 5 6 ] b = [ 9 9 9; 9 9 9 ] I'm wondering if there is a fun...

mehr als 9 Jahre vor | 1 Antwort | 0

Frage

My strange nested for loops
Hello buddies, I've gotten myself into a bit problematic nested if loop. And I have hard time thinking this out. Imagine 3...

mehr als 9 Jahre vor | 1 Antwort | 0

Frage

Max of cells. Keep whole Column
Hello Buddies, I have a table that looks like the one I attached. I would like to find maximum of a specific cell (horsepower...

mehr als 9 Jahre vor | 1 Antwort | 0

Beantwortet
From variable name to data
Thanks for both your answers! I will look at it today from now, and get back when I (hopefully) find a solution

mehr als 9 Jahre vor | 0

Frage

From variable name to data
Hello buddies, I got a problem that has frustrated me for about 10 hours today. I defined 3 variables with names: v{:,1...

mehr als 9 Jahre vor | 3 Antworten | 0

Frage

Huge problem when I import data from Yahoo
Dear guys, I Have a problem when I import data from Yahoo (e.g. stock data). This is quite frustrating. For the non-stock ...

etwa 11 Jahre vor | 2 Antworten | 0

Beantwortet
Conditional Optimization problem: inf and NaN
I tried all algorithms. It seems to, that I have to use to trust-region-reflective, because of my gradient function. And I do no...

mehr als 11 Jahre vor | 0

Beantwortet
Conditional Optimization problem: inf and NaN
Hi Shashank, Thanks for answer. I agree that isinf() and isnan() binary identifies the inf and NaN, respectively. But how sh...

mehr als 11 Jahre vor | 0

Frage

Conditional Optimization problem: inf and NaN
Hi guys, I am doing a conditional optimization procedure. My problem is that it says: 'fmincon cannot continue: user functio...

mehr als 11 Jahre vor | 4 Antworten | 0

Frage

how to multiply and concatenate at same time?
Dear Matlab guys, I am wondering how to "multiply and concatenate" at same time? Let me write a simple example: a = [ a b c...

mehr als 11 Jahre vor | 2 Antworten | 0