Answered

How to find points between two intersecting lines?

myData = [X,Y]; y1 = 3 - X; y2 = 2/3*X + 4/3; Y1 = Y(Y < y2 & Y > y1); X1 = X(Y < y2 & Y > y1); % or X1 = X(Y == Y1) myData...

How to find points between two intersecting lines?

myData = [X,Y]; y1 = 3 - X; y2 = 2/3*X + 4/3; Y1 = Y(Y < y2 & Y > y1); X1 = X(Y < y2 & Y > y1); % or X1 = X(Y == Y1) myData...

meer dan een jaar ago | 1

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Answered

Why are these two ways of writing the same integral giving me different results?

Use the option 'ArrayValued',true pot1=kappa*rho1*integral(f,0,pi,'ArrayValued',true);

Why are these two ways of writing the same integral giving me different results?

Use the option 'ArrayValued',true pot1=kappa*rho1*integral(f,0,pi,'ArrayValued',true);

meer dan een jaar ago | 0

Answered

Writing titles and x/y labels inside a for loop and if-statements

remove stem(n, x) before if statement

Writing titles and x/y labels inside a for loop and if-statements

remove stem(n, x) before if statement

meer dan een jaar ago | 0

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Answered

3D Plot Color Map Gradation

Try this: cmp=colormap(turbo(256)); caxis([-0.5,0.5]); cmp1=cmp; cmp1(1:128,:)=flipud(cmp1(129:256,:)); colormap(cmp1); co...

3D Plot Color Map Gradation

Try this: cmp=colormap(turbo(256)); caxis([-0.5,0.5]); cmp1=cmp; cmp1(1:128,:)=flipud(cmp1(129:256,:)); colormap(cmp1); co...

meer dan een jaar ago | 0

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Answered

Matrix display answers without sigmas

You may be running your code in the live editor. Running the code in a usual script or command window displays the result in t...

Matrix display answers without sigmas

You may be running your code in the live editor. Running the code in a usual script or command window displays the result in t...

meer dan een jaar ago | 0

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Question

minor grid in consecutive plots

If I run the following code (within a script or command window) several times, then the minor grids will be 'on' only every othe...

meer dan een jaar ago | 1 answer | 0

Answered

How can I minimize the outer space for the figure or plot

You can do as follows: x=-2*pi:0.1:2*pi; y=sin(x); figure(1) ax=gca; ax.Position=[0.075 0.075 0.9 0.9]; % default position ...

How can I minimize the outer space for the figure or plot

You can do as follows: x=-2*pi:0.1:2*pi; y=sin(x); figure(1) ax=gca; ax.Position=[0.075 0.075 0.9 0.9]; % default position ...

meer dan een jaar ago | 1

Answered

How to make a odd number plot look aligned using subplot or tiledlayout?

Happy with the following? x=-2*pi:0.1:2*pi; y1=sin(x); y2=cos(x); y3=sin(x); y4=sinh(x); y5=cosh(x); figure(1) clf su...

How to make a odd number plot look aligned using subplot or tiledlayout?

Happy with the following? x=-2*pi:0.1:2*pi; y1=sin(x); y2=cos(x); y3=sin(x); y4=sinh(x); y5=cosh(x); figure(1) clf su...

meer dan een jaar ago | 0

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Answered

How do I create two legends in one GScatter Plot?

Rearrange your code in the following sequence: figure(); clf hold on gs1 = gscatter(data(:,1),data(:,2),target,[],[],20); g...

How do I create two legends in one GScatter Plot?

Rearrange your code in the following sequence: figure(); clf hold on gs1 = gscatter(data(:,1),data(:,2),target,[],[],20); g...

ongeveer 2 jaar ago | 0

Question

another app designer tooltip bug?

I have quite a few uicontrols in my_ App, which I have just migrated from GUIDE to Appdesigner. Because HTML does not work in Ap...

ongeveer 2 jaar ago | 1 answer | 0

Question

How to display special characters in tooltip?

Symbols <, > and & are displayed in tooltip in Appdesigner as <, > and & Is the way to display those symbols correctl...

ongeveer 2 jaar ago | 1 answer | 0

Question

Tool tip bug in App Designer?

There is a problem of dysplaying a tool tip when edit field of small size is placed on the edge of app's frame. classdef test2 ...

meer dan 2 jaar ago | 1 answer | 0

Answered

Index exceeds the number of array elements (0).

lengths of L and framemax must be equal try L = d2:(d3-d2)/100:d3; framemax = length(L);

Index exceeds the number of array elements (0).

lengths of L and framemax must be equal try L = d2:(d3-d2)/100:d3; framemax = length(L);

meer dan 2 jaar ago | 0

Question

multiplication by 0.5 vs division by 2

I tried the following with two options - matrix and scalar clear; N = 1e7; tic for n = 1:N % a=[n n;n n]/2; a = n/2; b...

ongeveer 3 jaar ago | 0 answers | 1

Question

is it a bug?

The code below (i) does not produce an error message about not matching x and y; it can be explained by implicit expansion in ...

ongeveer 3 jaar ago | 2 answers | 0

Question

which way to call function is better?

I have more than hundred of input parameters in myfunc and I am using the following way to call the function after grouping the ...

ongeveer 3 jaar ago | 2 answers | 0

Answered

GUI: Can't access data from another callback function with handles

G A on 31 Aug 2019 at 8:38 Put the line guidata(hObject, handles); at the end of your function control_browse_button_Callbac...

GUI: Can't access data from another callback function with handles

G A on 31 Aug 2019 at 8:38 Put the line guidata(hObject, handles); at the end of your function control_browse_button_Callbac...

ongeveer 3 jaar ago | 0

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Answered

How can I generate equal visual witdh bars with bar graph and log absciss scale ?

Instead of making the x-scale logarithmic by set(gca, 'xscale','log'), use linear x-scale and log10(Frequency) as X

How can I generate equal visual witdh bars with bar graph and log absciss scale ?

Instead of making the x-scale logarithmic by set(gca, 'xscale','log'), use linear x-scale and log10(Frequency) as X

ongeveer 3 jaar ago | 0

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Question

is it a bug?

In the following code, if view(2) or view(0,90) is defined before axis() which is not auto, then a default 3D figure will be plo...

ongeveer 3 jaar ago | 1 answer | 0

Answered

Creating a contour plot of magnitude in 3D

Something like this? a=-1:0.1:1; b=-1:0.1:1; [X,Y]=meshgrid(a,b); Z=X.^2+Y.^2; M=[0.5 1]; hold on grid on surf(X,Y,Z), ...

Creating a contour plot of magnitude in 3D

Something like this? a=-1:0.1:1; b=-1:0.1:1; [X,Y]=meshgrid(a,b); Z=X.^2+Y.^2; M=[0.5 1]; hold on grid on surf(X,Y,Z), ...

ongeveer 3 jaar ago | 1

Answered

Not obtaining the right shape with matlab plot

Add a dot ./ in the line: si=atan(sin((N+1).*phi)./(R./r3-cos((N+1).*phi)));

Not obtaining the right shape with matlab plot

Add a dot ./ in the line: si=atan(sin((N+1).*phi)./(R./r3-cos((N+1).*phi)));

meer dan 3 jaar ago | 1

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Question

how can I do it without using eval

There are quite a few handles of uicontrols and uipanels named h1,h2...hN in my code exported by GUIDE. I want to create structu...

meer dan 3 jaar ago | 1 answer | 0

Question

Is there the more elegant way to do this?

By trial and error I came to the following solution for choosing in my GUI a colormap and the number of colors to be used for my...

meer dan 3 jaar ago | 1 answer | 0

Answered

Using Push Button to Export a String to an Edit Textbox (GUI)

set(handles.edit1,'String', Name); % Displaying my string "Name" into my Edit Textbox. Put this line in your pushbutton4_Callb...

Using Push Button to Export a String to an Edit Textbox (GUI)

set(handles.edit1,'String', Name); % Displaying my string "Name" into my Edit Textbox. Put this line in your pushbutton4_Callb...

meer dan 3 jaar ago | 1

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Question

not documented in Matlab?

Both, ishandle(H) and ishghandle(H), are given in doc with only one input argument possibility, however ishghandle(H,'property...

meer dan 3 jaar ago | 0 answers | 0

Question

Two fields Tooltip and TooltipString duplicating each other.

I was playing with my GUI exported by GUIDE from fig-file and found that there are two fields in object properties containing th...

meer dan 3 jaar ago | 1 answer | 0

Answered

3d dimensional surface

v = [-2:0.1:2]; w = [-2:0.1:2]; [X,Y] = meshgrid(v,w); Z = 6*X.^2-4*X.^2.*Y.^2; figure(3); surf(X,Y,Z)

3d dimensional surface

v = [-2:0.1:2]; w = [-2:0.1:2]; [X,Y] = meshgrid(v,w); Z = 6*X.^2-4*X.^2.*Y.^2; figure(3); surf(X,Y,Z)

meer dan 3 jaar ago | 1

Answered

How to combine plots on subplot?

figure(1) clf subplot(3,1,1) hold on plot(temp1,black1,'ko-'), plot(temp1,white1,'go-'), plot(temp1,pol1,'bo-'), plot(t...

How to combine plots on subplot?

figure(1) clf subplot(3,1,1) hold on plot(temp1,black1,'ko-'), plot(temp1,white1,'go-'), plot(temp1,pol1,'bo-'), plot(t...

meer dan 3 jaar ago | 0

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Answered

How do I plot from multiple mfile into a same figure

Add "hold on" In your mfile2 anywhere before "plot(xfit,yfit)" : figure(2); %figure 2 hold on

How do I plot from multiple mfile into a same figure

Add "hold on" In your mfile2 anywhere before "plot(xfit,yfit)" : figure(2); %figure 2 hold on

meer dan 3 jaar ago | 0