# Smithy

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**Feeds**

Question

Removing rows except containing certain numbers of "33"

Hello everybody, I hope to keep the row with the containing certain numbers of "33" of the last two digits in 1st column of res...

1 year ago | 2 answers | 0

### 2

answersQuestion

Find the first value of each groups.

Hello everybody, I would like to find the first value of each groups. Is there a way to find the each group's first value? th...

1 year ago | 3 answers | 0

### 3

answersQuestion

Replacing sequences in matrix

Hello everybody, I have a matirx and I want to change the order of matrix in accordance with first column. First column is the...

1 year ago | 3 answers | 0

### 3

answersQuestion

Is there a Faster alternative to ismember function ?

Hello everybody, I have a matirx with big size of row. and with this I want to re-define the "el" variable using the first co...

1 year ago | 1 answer | 0

### 1

answerHow to get rid of double quotes from cell array

Thank you very much all the comments from Stephen23 and DGM. Yes, I found out that my data are mixed with strings and numeric ...

2 years ago | 0

| accepted

Question

How to get rid of double quotes from cell array

hello, everybody I would like to get rid of double quotes from cell array. The Output will be cell array without double quotes....

2 years ago | 1 answer | 0

### 1

answerQuestion

How to get the 1×1 cell array?

hello, everybody I would like to get the 1×1 cell array of {'m, -10, -15, L -4.7, 0 c 0, 0'}. some values are caluclated from ...

2 years ago | 2 answers | 0

### 2

answersQuestion

Smoothing curve plot with some data points

hello, everybody I have these data and I hope to plot them with smooth line. Is it possible to create a smooth curve through ...

2 years ago | 1 answer | 0

### 1

answerQuestion

How to make Rounded Edges of rectangle corners with polyshape function ?

hello, everybody I would like to make the rounded rectangle and I would like them to translated and rotated. First I tried wi...

2 years ago | 2 answers | 0

### 2

answersQuestion

How to draw an Elliptical Arc by given radius (rx and ry) and start/end points ?

Hello Everybody I tried to draw an Elliptical Arc on a graph by giving the radius (rx and ry) and start/end points. -- star...

2 years ago | 1 answer | 0

### 1

answerQuestion

How to draw the both sided arrow lines.

Hello everybody, I would like to draw a line with both sided arrow. And I tried with quiver function. I can make the one sid...

2 years ago | 1 answer | 1

### 1

answerQuestion

How to delete all Files not listed in "FileName" variable?

Hello everybody, I have the file lists to be kept and other files should be deleted from the folders. I tried as below. and e...

2 years ago | 1 answer | 0

### 1

answerQuestion

new input prediction error for a model created through onehotencode function

Hello everybody, This time, I worked with a data set with some categorical features. If using a function named "onehotencode"...

2 years ago | 1 answer | 0

### 1

answerQuestion

How to get the logical index 1 if the cell is missing?

Hello everybody, I have the 2x1 cell array and (2,1) is {1×1 missing}. To get the logical index 1 about data(2,1) missing, I t...

2 years ago | 2 answers | 0

### 2

answersQuestion

Join two table variables into one. == does not works of table type

Hello everybody, I have two table variables, and would like to join them. After comparing 1st column to 7th column of df3 and ...

2 years ago | 3 answers | 0

### 3

answersQuestion

Join strings together with '_' between them

Hello everybody, I have a two vectors and I would like to join together with a and b below with some repetition. The output I ...

2 years ago | 2 answers | 0

### 2

answersQuestion

How to generate repeatable random multiple vectors with Specific Number of Values and Fixed Sum?

Hello everybody, I want to create repeatable random multiple vectors with Specific Number of Values and Fixed Sum. for examp...

2 years ago | 2 answers | 0

### 2

answersQuestion

To fill the value from the variable until the Num counts

Hello everybody, I would like to make the variable as 'time2' from the 'time' variable. It fills the value from the time va...

2 years ago | 1 answer | 0

### 1

answerQuestion

To extract the last sub string from strings

Hello everybody, I would like to extract the last string just before 'EP'. I tried first split the string with strsplit funct...

2 years ago | 6 answers | 0

### 6

answersQuestion

Overwrite table data with 'Yes' or 'No' according to the logical index

Hello everybody, I would like to overwrite the table data if the logical index of row is true. Logical index will be True if s...

2 years ago | 2 answers | 0

### 2

answersQuestion

Is there a Faster alternative to containers.Map function ?

Hello everybody, I have a table with big size of row. and with this I want to define the place using the right two digits in ...

2 years ago | 2 answers | 0

### 2

answersQuestion

Overwrite table data if the logical index of row is true.

Hello everybody, I would like to overwrite the table data if the logical index of row is true. Logical index will be ture if s...

2 years ago | 1 answer | 0

### 1

answerQuestion

How to add apostrophe as a text in a char of date?

Hello everybody, I would like to create a character vector. I tried below code. DATE = '2019-05-31'; A2 = ['TO_DATE(',DATE,'...

2 years ago | 1 answer | 0

### 1

answerQuestion

Saving a table-type variable to MAT file column by column in For-loop

Hello everybody, I have big size of a table-type variable. I am trying to save a table-type variable to .mat file column by ...

2 years ago | 1 answer | 0

### 1

answerQuestion

Convert some Table Variables from Cell to Double

Hello everybody, I have a table with many variables of mixed types (some strings, some numbers). and I would like to convert ...

2 years ago | 2 answers | 0

### 2

answersQuestion

How to concatenate numbers with ( ) bracket as cell type?

Hello everybody, I have a matrix 10*3 and the data type is double. and if possble, I would like to know how to make 10*1 cell...

2 years ago | 1 answer | 0

### 1

answerQuestion

How to remove the empty spaces from imported text file?

Hey everybody, I have a space delimited textfile and would like to know how to make 1*5 cell with tline. With below code, it s...

2 years ago | 1 answer | 0

### 1

answerQuestion

How to remove the first element and last element based on First column

I have a matrix 23 by 2 matrix. and it looks as below. First Column starts from 1 to 5 and second column is the value. I wou...

2 years ago | 2 answers | 0

### 2

answersQuestion

How to make summation of moved and fixed matrix ?

I would like to calculate the summation of moved and fixed matrix. The purpose is to join two image without the spaces(zeros)...

2 years ago | 2 answers | 0

### 2

answersQuestion

How to remove the number 0 between index1 & index2 ?

I would like to remove the number 0 between index1 & index2. How can I remove it.... The result I want is A = [0 0 0 1 1 1...

2 years ago | 2 answers | 0