How to change scaling for different ranges of X-Axis inn figures?
Use set(gca(),'XScale','log') or semilogx.

3日 前 | 1

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How to plot a function F(a,b) having a matrix F (axb)
surf(phi,sigmap,syy)

4日 前 | 0

How can I change all numbers in matrix to 1? except for 0
One way: M = randi(4,[5 5])-2 % a matrix with zero and non-zero elements M(M ~= 0) = 1 % replace non-zero elements with ones ...

4日 前 | 0

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Working with a cell of strings
Use string or cellstr. C = {"one";"two"} string(C) cellstr(C)

4日 前 | 0

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Element-wise set operations
C = A == B.';

4日 前 | 0

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Finite Element: Filling nxm matrix by extracting values from another nx1 matrix
V(2:5,2:5) = reshape(W,4,[]).';

4日 前 | 0

Finding slope for the polyfit line
polyfit returns the coefficients in a vector, with the highest-degree coefficient first. Therefore, the slopes are the values of...

5日 前 | 0

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plotting 12 graphs in one figure
load data_matrix.mat data=SECTION_L; data(:,1:3)=[]; row=9; cleanup=data([1 2 3 row],:); % year range y1 = 1975; y2 = 201...

5日 前 | 0

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how to create a new variable based off an if else statement on one variable?
t = table(["cats";"dogs";"cats";"sheep"],'VariableNames',"animals") all_animals = ["dogs" "cats" "sheep"]; [~,idx] = ismembe...

5日 前 | 0

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Can I use colormap to set color of my cumulative area chart in area()?
area dioesn''t use the figure's colormap directly, but it does use the axes' ''ColorOrder' by default, so maybe something like t...

6日 前 | 0

extract values from a table
It looks like, basically row 1 is year, row 2 is month, row 3 is day of month, and row 4 through the end are temperature data fo...

6日 前 | 0

indeHow to index values from a cell array
data =readtable('EURUSD=X.csv'); disp(data) G = floor((0:height(data)-1)/20).' + 1; DataE20 = splitapply(@(Date,Open,High,Low...

6日 前 | 0

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how to use "randi" in specific case?
Maybe something like this (the example A requires at least 5 values, e.g., [10 15 20 25 30]): A = [ ... 0 0 1 0 0 0 0 0 0 ...

6日 前 | 0

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How to make certain indexes of a cell array empty?
pixelBlock{by + 1, bx + 1} = [];

6日 前 | 0

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How to initialize a table column to a character array?
% a table: filetext = table([1;2;3;4;5;6]) % append a column of all 'MET' on the right: filetext{:,end+1} = 'MET'

6日 前 | 0

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Custom heat maps- How to highlight a specific value in the heatmap
Maybe one of the following two approaches will be useful, depending on exactly what you want to see. First, make up some data: ...

6日 前 | 1

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How to plot amplitude values of a matrix (dimension 651 by 10) with colorcode

6日 前 | 0

'This statement is incomplete' for a function with enough parameters
This error can happen when there is a syntax error within the function itself (not just the line defining the function signature...

6日 前 | 0

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Combining rows of each field within a structure
S = load('Combined_Structure.mat','ModOutRstance_interp_x_all'); new_struct = struct(); f = fieldnames(S.ModOutRstance_inter...

6日 前 | 0

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why when i import an image from my desktop the error says it doesnt exist plz help and thank u in advance
Use both output arguments from uigetfile to construct the full path name of the file: [filename,pathname] = uigetfile(); ful...

7日 前 | 0

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please can someone tell me what to do here what does it mean ? and does setappdata fall under a certain library i need to install for matlab plz help
setappdate(0,'filename',filename); % ^ this should be an "a". setappdata not setappdate

7日 前 | 0

Getting different values when indexing with islocalmax and find
The reason the elements of max_A_2 and max_A are not all equal has to do with how the results of indexing with a logical matrix ...

7日 前 | 0

How to plot quiver with same scale on x and y axis?
Have you tried axis equal? % random quiver plot d = datenum(now()); x = d:1e-6:d+1e-4; y = randn(1,101); u = randn(1,101)...

7日 前 | 0

I need help setting a pushbutton in a GUI
% (you can specify all those properties at the same time as you create the % uicontrol) my_third_button = uicontrol( ... ...

7日 前 | 0

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What indices of the original sequence are retained in the output of the decimate function?
From item #3 in the Algorithms section of the documentation for decimate: "In the resampled sequence (y), y(end) matches x(end)...

7日 前 | 0

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How to show function's result from command window to a "text area or edit field" in app designer ??
function get_powerButtonPushed(app, event) app.PowerTextArea.Value = app.obj.get_power(1); end Note that this is the call...

7日 前 | 0

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Read text file, identify variables and rewrite some of the variables
% read the file into a char vector: fid = fopen('Initial.txt'); data = fread(fid,'*char').'; fclose(fid); disp(data); % spl...

7日 前 | 1

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Search for the Y coordinate knowing the X coordinate
coord_x = A(:,1); coord_y = A(:,2); [X,idx] = max(coord_x); Y = coord_y(idx);

7日 前 | 1

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