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per isakson


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Answered
Index in position 2 exceeds array bounds (must not exceed 6). heat transfer PDE finite difference
The term T_old(i+1,j+2) causes the error when j==5, because T_old(2,7) doesn't exist. T_old has only 6 columns.

alrededor de 11 horas ago | 0

Answered
what pc for student desktop use
See System Requirements for MATLAB R2019b "Matlab can be very slow" I beg to disagree, but YMMV. Did you run MATLAB benchmark...

1 día ago | 0

Answered
How to export complex-valued matrix to HDF file
Datatype: H5T_COMPOUND &nbsp is not supported by the Matlab high-level HDF5 functions. The low-level functions, which interact d...

3 días ago | 1

Answered
How do I read a file with complex data (real + imaginary) into a vector?
What problem do you encounter? With R2018b dlmread() reads your small data set nicely. Padding is done with 0+0i >> C = dlmre...

4 días ago | 0

Answered
divide a matrix per a vector
Try C = A ./ reshape( U2, [],1 );

5 días ago | 0

| accepted

Answered
Forming loop to simplify codes
"produce the same graph" The code below produces the same graph. However it may be disputed whether it's simpler less inter...

5 días ago | 0

| accepted

Answered
Using the Mod Function to Turn a Vector (i.e. 1:15) into [1, 2, 3, 1, 2, 3, 1, 2, 3] etc.
Or %% startVector = 1:15; vec = mod( startVector, 3 ); vec(vec==0)=3 % replace all zeros by 3 vec = Columns 1 through...

6 días ago | 0

Answered
Why can't I use crand() in matlab
crand is in Robust Control Toolbox >> which crand -all % -all toolboxes that are installed on my PC C:\Program Files\MATL...

6 días ago | 1

Answered
how to resolve the 'dot indexing not supported for variables of this type' error?
"I would prefer to keep private" Two alternatives remains Make a Minimal working example and upload it here Start debugging. ...

7 días ago | 0

Answered
Simple question about creating row vector
Replace ^ by .^ >> 2.^(0:5) ans = 1 2 4 8 16 32 See power, .^ Element-wise power

9 días ago | 1

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Answered
Is there inheritable behavior (or a Mixin) for setting/getting the 'Parent' and 'Children' properties of a custom class?
"make the following code error-free" There is a problem regarding handle or value class. In the code it's assumed that superCla...

10 días ago | 0

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Answered
how to plot 1x22000 struct with 1 field??
The screenshot of the Command Window shows that the data-20.mat contains Qt, which is a <1x22000 struct>. I assume that Qt has...

16 días ago | 0

Answered
How do I extract data from a specific subplot in a MATLAB figure?
This illustrates the old way to do it. (There might be shortcut nowadays.) %% Example from the documentation of subplot subpl...

19 días ago | 0

Answered
Having trouble using the built in table function
%% variable_names = ["variable","month","min","mean","median","mode","max","std"]; variable = [ repmat("Mean T",1,12),repmat("...

19 días ago | 0

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Answered
How can I call variable with a name from the value in cell array??
A variant without eval() %% sv.AFEN = (1:10)'; sv.AFMN = (2:22)'; sv.AFDN = (11:15)'; SeedValue = 'AFEN'; %% rn = randi( ...

20 días ago | 2

Answered
hdf5 dataset dynamically creating
Yes, see example, "Append Data to Unlimited Data Set", in h5write Write to HDF5 data set

21 días ago | 0

| accepted

Answered
Not Converting ASCII to DECIMAL
I guess the problem is in the meaning of "Converting ASCII to DECIMAL". The character '1' is represented by the decimal ascci...

23 días ago | 0

Answered
How to find strings in a very large array of data?
"random strings like 'zgdf'" If that means letters of the US alphabet, this code is rather fast. %% chr = fileread('cssm.txt'...

23 días ago | 0

Answered
How do I invoke my property set method?
Doc says: You cannot call property access methods directly. MATLAB calls these methods when you access property values. "objX....

25 días ago | 0

Answered
Invalid file identifier. Use fopen to generate a valid file identifier.
Try filespec = fullfile( "/Users/kira/desktop/PHYS4115Tables/'att'", filename ); fileID = fopen(filespec, 'rt'); assert(file...

27 días ago | 0

Answered
CSV file imported with readmatrix is misreading the data in the CSV file
"The resulting array consists of 5 digit numbers with a decimal point after the first number." I assume that you describe how ...

28 días ago | 0

Answered
Compare two arrays (intersection) and create new array with output columns, but with repetitions
Your way of defining A, B and C makes me wonder whether you intended to define matrices, not vectors. Anyhow, this is a differe...

29 días ago | 0

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Answered
Working With Matlab Tables
"I remember from somewhere" With Matlab that doesn't work for me. I need to consult the documentation more often than not. This...

29 días ago | 0

Answered
Calling .inp file into MATLAB
" .inp file created in Abaqus" is that a text file like the sample below? If so, Matlab itself together with its toolboxes don'...

alrededor de 1 mes ago | 0

Answered
Launching a thread that effectively pushes a button in your GUI periodically
Create a timer ( see timer class Create object to schedule execution of MATLAB commands) that periodically invokes the Update c...

alrededor de 1 mes ago | 1

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Answered
Creating random vector with 10 different lengths
Documentation on randi says: X = randi(imax,n) returns an n-by-n matrix of pseudorandom integers drawn from the discrete unifor...

alrededor de 1 mes ago | 1

Answered
[ERROR] Index exceeds array dimensions. Index value 0 exceeds valid range [1-1] of array Coeff.p01.
I guess that this term causes the error Coeff.p01(torque*Coeff.b/Coeff.T_max) and that's because torque*Coeff.b/Coeff.T_max ev...

alrededor de 1 mes ago | 0

Answered
How do I use regexp to extract text between numbers
"So the end product I want will be a 16x1 string that looks like" I'm not sure exactly how understand your requirement. The pr...

alrededor de 1 mes ago | 1

Answered
find a string using regular expression using a special condition
Assumptions regarding the search terms case is significant. ( "liquid, X" the lower case "l" is a typo.) space is significant...

alrededor de 1 mes ago | 0

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Answered
Strange error using readtable
I've downloaded brtyrpre.txt from your comments and copy&pasted brtyr_error_pre.txt from your question ("Here is the one the sc...

alrededor de 1 mes ago | 0

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