Pregunta

R2015b and Java version
Hi, I am using R2015b and I downloaded java 1.8. But when I check in Matlab command window, my java is 1.7: >> version -java...

alrededor de 8 años hace | 1 respuesta | 0

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Pregunta

class method overloading question
I have a handle class called DBHandle. I have a method runquery in it. I have a subclass SqlDBhandle in which I am not defin...

alrededor de 8 años hace | 1 respuesta | 0

1

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Pregunta

Need help in insert a huge file as a blob into SQL Server DB
Hi, I have a huge file that is a matrix. The size of the matrix change daily, but always around 100MG. I need to insert it...

más de 8 años hace | 0 respuestas | 0

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Pregunta

How to add a new column to a table such that the new column has all 0s or ''?
I need to add two more columns to my table. One has all the 0s; one has all the ''. I will change the 0s and '' later. How ...

más de 8 años hace | 1 respuesta | 0

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Pregunta

Csvwrite a matrix with header
Hi, I have a huge matrix (3000x3000) and I can write to a csv file with csvwrite('filename', cMatrix); But I also have a hea...

más de 8 años hace | 2 respuestas | 0

2

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Pregunta

How to calculate Moving Average in a table?
Hi, I need to calculate simple moving average on a set of prices which is in a Table. How to do that? Thanks, Jennifer...

más de 8 años hace | 1 respuesta | 0

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Pregunta

What is the default decimal precision in Matlab?
I am using polyfit to derive the coefficients. What is the default decimal precision in this case and for the function polyfit?...

más de 8 años hace | 1 respuesta | 0

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Pregunta

Can we do polyfit on matrix?
Hi, I have two matrix, A and B, each of 1000 rows and 100 columns. I need to do 100 polyfit on the columns. I can loop throu...

más de 8 años hace | 3 respuestas | 0

3

respuestas

Pregunta

The data precision in readtable function
I am using readtable to read in a Excel sheet into a table object. The numbers in the spreadsheet are of 12 decimal digits, but...

más de 8 años hace | 1 respuesta | 0

1

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Respondida
Keep getting error in polyfit
I just got it! My x and y arrays have strings in them. I converted the strings to numbers and it worked! x_d = str2double(...

más de 8 años hace | 0

| aceptada

Pregunta

Keep getting error in polyfit
>> x = table2array(Test1_x); >> y = table2array(Test1_y); I keep getting this error in polyfit. Here is the code and out...

más de 8 años hace | 2 respuestas | 0

2

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Pregunta

How to add two tables
I have two tables of different number of rows but with same structure. They both have 3 columns, the 3rd column is numbers. Ho...

más de 8 años hace | 1 respuesta | 1

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Pregunta

How to write a table of into a binary file
Hi, I have a table of many rows full of strings. How to write the table into a binary file by fwrite. I know how to write ...

más de 8 años hace | 1 respuesta | 0

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Pregunta

Is it possible to write a large table into a binary file? How?
I have a large table. If I write it into a text file, it is huge. Is it possible to write a large table into a binary file? If ...

más de 8 años hace | 2 respuestas | 0

2

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Respondida
How to concatenate two columns in one table into one column?
Actually I did it with t.Var1 = strcat(t.Var1, '_', t.Var2)

más de 8 años hace | 4

| aceptada

Pregunta

How to replace a string with another string in a Matlab table
Hi, I have a table that has 'N/A' in some of the column cells. I want to replace 'N/A' by ''. Would anyone tell me how to do...

más de 8 años hace | 2 respuestas | 1

2

respuestas

Respondida
How to colaapse a table to reduce repeated rows?
I guess the problem is in the '==' in the mask. When I change it to '~=', the newtable has some contents. Then why isn't "==" w...

más de 8 años hace | 0

Respondida
How to colaapse a table to reduce repeated rows?
Thanks. But still I will need the mask to break the large table into smaller tables, because there is another column that is pri...

más de 8 años hace | 0

Pregunta

How to colaapse a table to reduce repeated rows?
Ho, I have a table of 6 columns. Many rows are the same. I want to collapse the same rows into one. So I use this lines to ...

más de 8 años hace | 3 respuestas | 0

3

respuestas

Pregunta

How to concatenate two columns in one table into one column?
Hi, I have a table of 5 columns with strings, I would like to concatenate the two columns by a "_" and make them into one co...

más de 8 años hace | 2 respuestas | 2

2

respuestas

Pregunta

How to split a column in a table into two columns?
Hi, I have a table that has column like this: name_num ABC_123 EFG_456 GGGG HHHHH I would like to split the colum...

más de 8 años hace | 1 respuesta | 1

1

respuesta

Pregunta

How to collapse rows of a table?
Hi, I have a table with 3 columns but many rows. Some rows are the same on column 1 and 2 but but not on column 3. Since ...

más de 8 años hace | 1 respuesta | 0

1

respuesta

Pregunta

How to avoid If statement?
Hi, I have a few lines of code like this: if(volTbl.ReturnType(k) == 1) logR = diff(log(abs(newtable.price))); ...

más de 8 años hace | 1 respuesta | 0

1

respuesta

Pregunta

How to index input parameters?
Hi, I have a Matlab program that connects to a database and a server. I would like to make the server name and DB name to b...

más de 8 años hace | 1 respuesta | 0

1

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Pregunta

How to add a column of today's date to a table?
Hi, I have a table vTbl with several columns. I would like to add one more column with dates in it. And all the cells in tha...

más de 8 años hace | 1 respuesta | 0

1

respuesta

Pregunta

How to concatenate table columns into one columns
I have a Matlab table with three columns: Year, Month, Day. I want to make it into one column that represents the date in a fo...

más de 8 años hace | 1 respuesta | 0

1

respuesta

Pregunta

How to do monthly average in a Table?
Hi, I have a Matlab Table that has 3 columns. The first column is dates, the 2nd column is Term (integer number), and the 3rd...

más de 8 años hace | 2 respuestas | 1

2

respuestas

Pregunta

How to create a cell array with natural numbers up to 1000?
I know it is very simple, but I don't know how to do it. I have been doing it in a very clumsy way. Can any one tell me how to...

casi 9 años hace | 1 respuesta | 0

1

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Pregunta

How to break a large table into a set of smaller tables?
Hi, I have a very large table (priceTbl) of 4 columns. I want to break the large table into a set of smaller tables such that...

casi 9 años hace | 2 respuestas | 0

2

respuestas

Pregunta

How to get rid of a warning when adding a new column to a table?
I got the following warning when assigning a value to one cell in a table: My table volTbl orignally had 4 columns, now I add...

casi 9 años hace | 1 respuesta | 0

1

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