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# D.J

27 total contributions since 2018

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Question

Plotting issue re legend
Hello all, Any idea how to show different colours in the legend of my plot? both data showing with the same orange colour. ...

1 year ago | 0 answers | 0

### 0

Question

Prob with verification - equiv_test function
Hi all, I am trying to verify my excel calculations with matlab calculations, and I am getting a small difference which is affec...

1 year ago | 0 answers | 0

### 0

Question

Problem with interpolating missing data
Hi all, I have the following data: d=[1:13]' T_Req3 = [ 26 24.6 27.3 26.4 19.3 16.1 24.3 23.3 2...

1 year ago | 2 answers | 0

### 2

Question

how to exclude a row from a matrix
Hi all, I need to extract all data from a matrix except for one row (the 3rd from last). Say for example I have the matrix b...

1 year ago | 1 answer | 0

### 1

Using "isfinite" to skip NAN data
Perfect results ! Thanks a lot Bruno !

1 year ago | 0

Question

Using "isfinite" to skip NAN data
Hi all, I have 2 set of data, each of which is 31*12 (31 for number of days, and 12 for months) Set1 = T3_All (%x-values...

1 year ago | 3 answers | 0

### 3

Question

Problem with plotting - legend
Hi all, Any idea how to show the lines in the legend show in the same colour as I defined in my code, black, green, and red? fo...

1 year ago | 1 answer | 0

### 1

Question

Problem with polyfit function
Hi all, I have 2 set of data, each of which is 31*12 (31 for number of days, and 12 for months) Set1 = T3_All (%x-values...

1 year ago | 1 answer | 0

### 1

Question

Hi all, I have a code that works for 28 days of each month of the year (because February has only 28 days mostly). I need to ma...

1 year ago | 1 answer | 0

### 1

Question

Displaying multiple values separately
Hello all, I have a code which calculates 2 values,one for a1=1217 and the other is for a2=-845.42. Although the code is work...

1 year ago | 2 answers | 0

### 2

Question

Question re symbol ~
Hello, Can someone please explain what does (~) mean in the following code: [num,~,raw] = xlsread(fname) This is basica...

1 year ago | 1 answer | 0

### 1

Verification problem-absolute/relative error
Brilliant ! it worked. Thanks a lot...much appreciated !!

1 year ago | 0

Question

Verification problem-absolute/relative error
Hello all, I have 2 sets of data that I need to verify. Although they seem identical to me, but when I verify them, I get many ...

1 year ago | 2 answers | 0

### 2

Multiple plots in one m file
Wonderful, thanks a lot for your quick help !

1 year ago | 0

Question

Multiple plots in one m file
Hello all, my .m file includes multiple plots. When I run the code only the last plot figure shows up and overwrites all previo...

1 year ago | 3 answers | 0

### 3

Question

Creating ASCII file with 2 columns
Hello, I am trying to create an ASCII file containing 2 columns: Date an Density. I managed to get the code to work well if I cr...

1 year ago | 1 answer | 0

### 1

Question

Creating an ASCII file - blank txt file
Hello, I am trying to create an ASCII file containing a DATE column. I managed to get the code, but the txt file I am getting i...

1 year ago | 1 answer | 0

### 1

Problem plotting with 4 columns
Thanks a lot Jonas. I really appreciate your help !

1 year ago | 0

Question

Problem plotting with 4 columns
Hi all, I am trying to plot this function, but getting so many errors. I first got this error: "A numeric or double convertibl...

1 year ago | 3 answers | 0

### 3

Question

problem with coding cumsum statement
Hi all, I am really stuck with this one ! I am trying to tell matlab to calculate at which day the cumulative rainfall reaches...

1 year ago | 2 answers | 0

### 2

Question

Help needed with while loop code
Hi all. I am trying to use while-loop to determine when the cumulative rainfall for a particular month exceeds 8 mm. I have a...

1 year ago | 1 answer | 0

### 1

Question

Calculating cumulative for a series of numbers
Hi all, I am trying to write a code to determine at which date the cumulative series of numbers reaches the value 6, but I have...

1 year ago | 1 answer | 0

### 1

Question

Multiplication function not working correctly
Hi all, I am trying to convert data from hPa to Pa by multiplying *100, but I don't seem to get the correct answer. Also, I am...

1 year ago | 0 answers | 0

### 0

Question

Multiplication operation is not working efficiently
Hi all, I am trying to convert data from hPa to Pa by multiplying *100, but I don't seem to get the correct answer. Also, I am...

1 year ago | 0 answers | 0

### 0

Importing csv with dates
I tried to do the plot as suggested, I am getting the error Unrecognized variable name 'Date'. This is what I did: plot(...

1 year ago | 0

| accepted

Importing csv with dates
You are a gem ! Thank you so much !

1 year ago | 0

Question

Importing csv with dates
Hi all. I am trying to import a csv file which includes numbers and dates using Import data > numeric matrix > Generate Function...

1 year ago | 3 answers | 0