Replace lines with curved lines on my graph
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I currently have a graph with two sets of data and their confidence intervals at 95%. However, I have been requested to change these lines to curved lines between the data points. I'm very new to Matlab, could anyone assist?
Here is the graph currently:
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/338161/image.png)
The code I am currently running:
x=[5,610,1115,1620,2125,2630,3135,3640,4145,4650];
y=[1.5728,1.6011,1.5828,1.583,1.5779,1.5931,1.6136,1.6132,1.6354,1.6512];
CI = [0.047204964 0.020555517 0.030005595 0.023338819 0.030057518 0.026567109 0.027295407 0.025855224 0.029278635 0.028793178]; %CI values
y2 = [1.4904,1.625,1.5834,1.6213,1.6135,1.6378,1.6212,1.6563,1.662,1.6657,1.6462,1.7267]
x2 = [5,610,1115,1620,2125,2630,3135,3640,4145,4650, 5155, 5660]
CI2 = [0,0.02859404,0.03932538,0.031767406, 0.033377728,0.033181883,0.02925182, 0.030260765,0.028698134,0.026206678,0.035101913,0]
plot(x, y, 'color', [0, .6, .77])
hold on
plot(x, y-CI, ':', 'color', [0, .6, .77])
hold on
plot(x , y+CI, ':','color', [0, .6, .77])
hold on
plot(x2, y2, 'color', [.89, 0, .23])
hold on
plot(x2, y2-CI2, ':', 'color', [.89, 0, .23])
hold on
plot(x2 , y2+CI2, ':','color', [.89, 0, .23])
patch([x fliplr(x)], [y-CI fliplr(y+CI)], [0.4, .76078, .85882], 'FaceAlpha',0.5, 'EdgeColor','none')
patch([x2 fliplr(x2)], [y2-CI2 fliplr(y2+CI2)], [.93, 0.4, .53], 'FaceAlpha',0.5, 'EdgeColor','none')
hold off
ylabel('vTMD')
xlabel('Depth (%)')
xticks([5, 610, 1115, 1620, 2125, 2630, 3135, 3640, 4145, 4650, 5155, 5660])
xticklabels({'0-5', '6-10', '11-15', '16-20', '21-25', '26-30', '31-35', '36-40', '41-45', '46-50', '51-55', '56-60'})
yticks([1.450 1.475 1.500 1.525 1.550 1.575 1.600 1.625 1.650 1.675 1.700 1.725 1.750
])
yticklabels({'1.450' '1.475' '1.500' '1.525' '1.550' '1.575' '1.600' '1.625' '1.650' '1.675' '1.700' '1.725' '1.750'
})
0 个评论
采纳的回答
Alan Stevens
2020-7-29
Using spline curve fits perhaps:
x=[5,610,1115,1620,2125,2630,3135,3640,4145,4650];
y=[1.5728,1.6011,1.5828,1.583,1.5779,1.5931,1.6136,1.6132,1.6354,1.6512];
xx = 5:4650;
yy = spline(x,y,xx);
CI = [0.047204964 0.020555517 0.030005595 0.023338819 0.030057518 0.026567109 0.027295407 0.025855224 0.029278635 0.028793178]; %CI values
y2 = [1.4904,1.625,1.5834,1.6213,1.6135,1.6378,1.6212,1.6563,1.662,1.6657,1.6462,1.7267];
x2 = [5,610,1115,1620,2125,2630,3135,3640,4145,4650, 5155, 5660];
xx2 = 5:5660;
yy2 = spline(x2,y2,xx2);
CI2 = [0,0.02859404,0.03932538,0.031767406, 0.033377728,0.033181883,0.02925182, 0.030260765,0.028698134,0.026206678,0.035101913,0];
plot(xx, yy, 'color', [0, .6, .77])
hold on
yylo = spline(x,y-CI,xx);
plot(xx, yylo, ':', 'color', [0, .6, .77])
hold on
yyhi = spline(x,y+CI,xx);
plot(xx , yyhi, ':','color', [0, .6, .77])
hold on
plot(xx2, yy2, 'color', [.89, 0, .23])
hold on
yy2lo = spline(x2,y2-CI2,xx2);
plot(xx2, yy2lo, ':', 'color', [.89, 0, .23])
hold on
yy2hi = spline(x2,y2+CI2,xx2);
plot(xx2 ,yy2hi, ':','color', [.89, 0, .23])
patch([xx fliplr(xx)], [yylo fliplr(yyhi)], [0.4, .76078, .85882], 'FaceAlpha',0.5, 'EdgeColor','none')
patch([xx2 fliplr(xx2)], [yy2lo fliplr(yy2hi)], [.93, 0.4, .53], 'FaceAlpha',0.5, 'EdgeColor','none')
hold off
ylabel('vTMD')
xlabel('Depth (%)')
xticks([5, 610, 1115, 1620, 2125, 2630, 3135, 3640, 4145, 4650, 5155, 5660])
xticklabels({'0-5', '6-10', '11-15', '16-20', '21-25', '26-30', '31-35', '36-40', '41-45', '46-50', '51-55', '56-60'})
yticks([1.450 1.475 1.500 1.525 1.550 1.575 1.600 1.625 1.650 1.675 1.700 1.725 1.750
])
yticklabels({'1.450' '1.475' '1.500' '1.525' '1.550' '1.575' '1.600' '1.625' '1.650' '1.675' '1.700' '1.725' '1.750'
})
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