Domanda

parfor loop with strings

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

circa 5 anni fa | 0 risposte | 0

Domanda

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...

circa 5 anni fa | 0 risposte | 0

Domanda

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...

circa 5 anni fa | 1 risposta | 0

Domanda

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 ...

circa 5 anni fa | 0 risposte | 1

Domanda

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...

circa 5 anni fa | 0 risposte | 1

Domanda

Remove and clear things in a table for presentation

I have a table like this: T = 2x3 table percent cars cats ________ _________...

circa 5 anni fa | 2 risposte | 0

Domanda

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 = ...

oltre 5 anni fa | 2 risposte | 0

Domanda

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]...

oltre 5 anni fa | 1 risposta | 0

Risposto

do not show hidden file in current folder

I have same problem, did you ever fix it ?

do not show hidden file in current folder

I have same problem, did you ever fix it ?

oltre 5 anni fa | 0

Domanda

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...

quasi 8 anni fa | 1 risposta | 0

Domanda

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...

quasi 8 anni fa | 1 risposta | 0

Domanda

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...

quasi 8 anni fa | 1 risposta | 0

Domanda

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...

quasi 8 anni fa | 1 risposta | 0

Risposto

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

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

quasi 8 anni fa | 0

Domanda

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...

quasi 8 anni fa | 3 risposte | 0

Domanda

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 ...

quasi 10 anni fa | 2 risposte | 0

Risposto

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...

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...

circa 10 anni fa | 0

Risposto

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...

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...

circa 10 anni fa | 0

Domanda

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...

circa 10 anni fa | 4 risposte | 0

Domanda

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...

circa 10 anni fa | 2 risposte | 0