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# Rica

Last seen: 6 månader ago Active since 2012

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Question

i tried to use readmatrix in a loop to get data from specified files for l=1:5 A=readmatrix(['File_' num2str(l) '.txt']) end ...

nästan 2 år ago | 1 answer | 0

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exclude some elements in array
Thank you everyone!

nästan 2 år ago | 0

Question

exclude some elements in array
Hi all, how could i exclude the bold number from this arry. The array is large but it shows the structure that after each 5 ele...

nästan 2 år ago | 3 answers | 0

### 3

Question

Extracting a double from a text file
Hi everone, I want to extract the number that in front of Volt[M/Y] from alarge Text file. the structure of the file is describ...

nästan 2 år ago | 1 answer | 0

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Question

find index of an arry in matlab
I have a big array and i want to find the index of the element of an array in the big array. I know this could be easily solv...

mer än 3 år ago | 1 answer | 0

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acces data in struct
Thank you to every one!

mer än 3 år ago | 0

Question

acces data in struct
Hi! I have a struct Str. the element of the structure arle A, B, C,.... all of the are arrays with length 2000. I want to have ...

mer än 3 år ago | 3 answers | 1

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Question

Hi every one, i have data in many excell scheets. I wrote a code to read the sheets: numVars = 6; VarSheet=1 ; varNames ...

nästan 4 år ago | 2 answers | 0

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Question

save data of matrix in diffrent MAT files
Hi all, I have a 3dim matrix: % A(5000,m,n). m=5 and n=10 How could i save the data of this matrix in diffrent mat files ...

mer än 4 år ago | 1 answer | 0

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Question

Save structure in matlanb
Hi all, i do some measurement sequentially. Meas(1).delay Meas(1).Velocity Meas(2).delay Meas(2).Velocity and...

nästan 5 år ago | 1 answer | 0

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Question

extract some elemnt from an array
Hi all, How to extract from this Array : A=[1 2 3 5 6 8 10] this Array so that the diffrence between the neighbors exce...

ungefär 5 år ago | 0 answers | 0

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Question

Grid on in subplot
Hi, i used the subplot function and want to apply to all the subplot this grid properties: grid on ax = gca; ax.GridColor...

mer än 5 år ago | 1 answer | 0

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Question

Import data from text file
Hi, i want to import data from a text file. the text is consisted of 201 column. The first column is a time column: % H...

mer än 5 år ago | 1 answer | 0

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Question

Plot struct-data in loop
Hi, i have struct data: data_1, data_2.....data_100 iwant to make the following plot in a loop: for k=1:100 plot(data_k.a...

mer än 5 år ago | 0 answers | 0

### 0

Question

Plot Data from Sensor in real time
Hi, i am neu in making Matlab GUI.I have a sensor which writes the data in a text-file. I want to read the data from the Text-f...

nästan 6 år ago | 1 answer | 0

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Question

Problem with textscan for importng textfile
Hi, i many text files named Data. I attached as exemple one file to schow the structure of it. I wrote a function to read the D...

nästan 6 år ago | 1 answer | 0

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Question

change the xlabel in date
I plot the data with errorbar. errorbar(A,B,err,'*g') How could i change the X_values in datetime in this Plot. I kno...

ungefär 6 år ago | 1 answer | 0

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Question

Diffrence between RMSE selfcalculated and RMSE calculated with Statistics Toolbox
Hi all, i calculated the RMSE of these Data: Y_hat=[ 9.774614325191857 9.453084986417043 9.502166049524247 ...

mer än 6 år ago | 1 answer | 1

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Question

Problem with textscan in matlab 2016a
Hi together, i attached a text file and the matlab script. I run the script with matlab2014 and matlab2016a. Why there is a dif...

nästan 7 år ago | 1 answer | 0

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Question

pick one value per munite
Hi all, i have such an date time Array: '18-May-2016 14:04:17' '18-May-2016 14:05:07' '18-May-2016 14:05:54' ...

nästan 7 år ago | 2 answers | 0

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Question

remove the Text from the files
Hi all, i have a big number of fileswhich contains data with this structure. Is there any easy method to remove the Text and ...

mer än 7 år ago | 2 answers | 0

### 2

Question

replace elements in an Array with other elements
hi all, i have the folwing situation: i have an array: A=[1 2 3 4 4 4 5 8 7 4 6 4] i want to find the element equ...

mer än 7 år ago | 4 answers | 2

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Question

creating Arrys from another big array
Hi, I have an array A of the size 1X1000. and i have a vector of Index: index=[1 25 40 63 77 99 100] is there any easy way ...

mer än 7 år ago | 2 answers | 0

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Question

finding index of precise value
Hi all, I try to use this function: l=find(find(strcmp(Time,'09:00:00'))). Time is an known cell. How could make a loop f...

mer än 7 år ago | 1 answer | 0

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Question

reshape an array into other arrays
Hi all, I want to reshape an array of size (1X12) into array with a size of 1X5 and the last arry should contain the rest (1X2)...

mer än 7 år ago | 1 answer | 0

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Question

Changing the name of TXT file
hi all, i have a big number of TEXT-Files. They are named like this: file_0,file_1..... Iwant to begin with 1 like: file_1,...

mer än 7 år ago | 2 answers | 0

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Question

special sum of an array
hi all, is there any function to do this simply: Array=[a1 a2 .......an] i want to calculate this: ArraySum=...

mer än 7 år ago | 1 answer | 0

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Question

open text file constructed in a specified manner
Hi all, I have a big text file in this construction: %% blablblala blablabla 1 2 3 4 5 6 2 5 ...

ungefär 8 år ago | 2 answers | 0

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Question

execute a loop with diffrent name
Hi All, the name of my data are : data50_1.mat data50_2.mat......data50_100. data86_1.mat data80_2.mat......data80_100...

ungefär 8 år ago | 1 answer | 0