Stephen23

Aktiv seit 2014

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Regression Learner App. Model Performance
You are probably not doing anything wrong. The confusion comes from the fact that the Regression Learner App reports multiple pe...

8 Tage vor | 0

| akzeptiert

Beantwortet
How to ensurethat the sum([0.7 0.2 0.1])==1 return true when testing equivalence relation
"I think the error is caused by the floating number representation error, what is the best practice to compare two floating numb...

8 Tage vor | 2

| akzeptiert

Gesendet

Daltonizer for Color Vision Deficiency
Simulate and Daltonize Images for Color Vision Deficiency (CVD/colorblind)

10 Tage vor | 17 Downloads |

0.0 / 5

Beantwortet
Command fscanf does not read zero
This looks correct to me: fid = fopen('test.txt','rt'); mat = fscanf(fid,'%f',[6,Inf]).' fclose(fid); For comprison: type t...

17 Tage vor | 0

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Fun Number Facts
A simple GUI which displays fun, interesting, and (occasionally) thought-provoking number facts. For entertainment purposes only...

18 Tage vor | 6 Downloads |

0.0 / 5

Beantwortet
datetime format with T time demarcation
dt1 = datetime(2023,8,1,11,07,56, "Format","yyyy-MM-dd'T'HH:mm:ss") dt2 = dt1 + minutes(1)

21 Tage vor | 0

Beantwortet
When does distributing data improve computation time over overhead expense?
Let’s break your three questions down clearly. 1) Yes, syntactically and conceptually, your usage is correct. However, correctn...

22 Tage vor | 1

| akzeptiert

Beantwortet
Overwriting table columns with ()-indexing
I supect that the cause is consistency of behavior. Consider your example but not replacing the entire column, but only from one...

etwa ein Monat vor | 1

| akzeptiert

Beantwortet
Why can't I use "end-2:end" for the meaning of last 2 columns?
"Why can't I use "end-2:end" for the meaning of last 2 columns?" Because that specifies the last three columns. The last two co...

etwa ein Monat vor | 2

Beantwortet
Possible to use box or violin plots, with unequal x and y axis spacing?
Horizontal, stats toolbox: x_positions = [1.2,3.5,7.8]; data = [ randn(50,1)+1; randn(50,1)+2; randn(50,1)+3 ]...

etwa ein Monat vor | 0

| akzeptiert

Gesendet

Convert between RGB and Color Names
RGB to color name. Color name to RGB. Supports many palettes: CSS, dvips, HTML, MATLAB, RAL, SVG, X11, xcolor, xkcd,...

etwa ein Monat vor | 14 Downloads |

5.0 / 5

Beantwortet
What is the main difference between matlab and simlink
MATLAB (MATrix LABoratory) is a programming language and computational environment. What it’s used for: Numerical computing D...

etwa ein Monat vor | 1

| akzeptiert

Discussion

Rethinking Line Length in Scientific / MATLAB Code
Many widely cited code style guides originate from large-scale software engineering contexts: multi-developer teams, large codeb...

etwa ein Monat vor | 0

Beantwortet
datestr returns erroneous result (MATLAB Version: 9.9.0.2037887 (R2020b) Update 8)
"When I provide datestr with a datenum produced by a format, it does not return the same value" It does when you provide the co...

etwa 2 Monate vor | 0

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Gesendet

Number to Words
Convert a numeric to a string with the English name of the number value (GB/IN/US).

etwa 2 Monate vor | 4 Downloads |

5.0 / 5

Gesendet

Words to Number
Convert English number name/s written in a string to numeric value/s (GB/IN/US).

etwa 2 Monate vor | 6 Downloads |

0.0 / 5

Beantwortet
How to set a tolerance?
The first rule of debugging: look at the data! data_1 = readmatrix('DataSet2_Test.txt') % much better than LOAD %Characterize ...

etwa 2 Monate vor | 0

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Beantwortet
Unexpected size change when assigning a scalar to a 0x0 matrix using (:, :) indexing
As far as I can tell this behavior is not explicitly documented. The rule seem to be something like this: if and only if all non...

etwa 2 Monate vor | 1

| akzeptiert

Gesendet

Custom List / Arbitrary Sequence Sort
Sort a text array into the order of custom lists / arbitrary text sequences. Sort using alphabets that are NOT in ASCII/Unicode ...

2 Monate vor | 2 Downloads |

0.0 / 5

Gesendet

Numeric to Ordinal-String
Convert numeric values to a string array of integers with ordinal suffixes. Fully vectorized!

2 Monate vor | 2 Downloads |

5.0 / 5

Beantwortet
Introduction to Matrix inversion and finite element analysis. Is this code right?
Yes, the code looks correct. Here is a quick sanity-check of each key piece: DOF numbering is consistent throughout: node i own...

2 Monate vor | 1

Beantwortet
persistent variable from previous run is not deleted during a new run of my .m file
MATLAB is not C. The tidiest way to avoid that ugliness is to use nested functions: https://www.mathworks.com/help/matlab/matla...

3 Monate vor | 2

Beantwortet
How to find a rotation vector for use in rotate, if the rotation matrix is rank deficient?
You have two separate problems happening: Wrong solver for homogeneous systems: linsolve and lsqminnorm are for Ax=b with b~=0....

3 Monate vor | 0

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Beantwortet
problem with patch fill color
After x_outer ends at r_max·cos(el_min), your lower_line_x starts at x_inner(1) = r_min·cos(el_min), creating an implicit jump a...

3 Monate vor | 1

Beantwortet
How to print a line of text with multiple variables
%Initial Uncalibrated Meas. p_analog_uncal = [20,40,60,80,100,120]; dV_avg_uncal = [1.246378,1.500449,1.763329,2.015415,2.29...

3 Monate vor | 0

Beantwortet
Using timeit() in the debugger causes function speedup until edits are made
This behaviour is almost certainly due to MATLAB's JIT (Just-In-Time) engine: https://blogs.mathworks.com/loren/2016/02/12/run-...

3 Monate vor | 1

Beantwortet
Want to know the output format of audioread of .wav file captured by hydrophone
Short Answer: the default mode is normalized (dimensionless), NOT Volts or Pascals. MATLAB's audioread in default mode reads th...

3 Monate vor | 1

| akzeptiert

Gesendet

Customizable Natural-Order Sort
Alphanumeric sort of a cell/string/categorical array, with customizable number format.

3 Monate vor | 15 Downloads |

5.0 / 5