作业帮W=pi/4.5:pi/180:pi/3;e=pi/157;tand=0.59;c=0.915;B=60;H=33;F=1.414*c*B*H/sin(3*pi/2-2*e-2*W)/(1-tand)-1.414*c*B*H/2*cos(3*pi/4-e-W)/(1-tand);plot(W,F)xlabel('安装角/°')ylabel('切削阻力F/N')Error using / Matrix dimensions must agree.Error in Un
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W=pi/4.5:pi/180:pi/3;e=pi/157;tand=0.59;c=0.915;B=60;H=33;F=1.414*c*B*H/sin(3*pi/2-2*e-2*W)/(1-tand)-1.414*c*B*H/2*cos(3*pi/4-e-W)/(1-tand);plot(W,F)xlabel('安装角/°')ylabel('切削阻力F/N')Error using / Matrix dimensions must agree.Error in Un
W=pi/4.5:pi/180:pi/3;
e=pi/157;
tand=0.59;
c=0.915;
B=60;
H=33;
F=1.414*c*B*H/sin(3*pi/2-2*e-2*W)/(1-tand)-1.414*c*B*H/2*cos(3*pi/4-e-W)/(1-tand);
plot(W,F)
xlabel('安装角/°')
ylabel('切削阻力F/N')
Error using /
Matrix dimensions must agree.
Error in Untitled41 (line 7)
F=1.414*c*B*H/sin(3*pi/2-2*e-2*W)/(1-tand)-1.414*c*B*H/2*cos(3*pi/4-e-W)/(1-tand);
W=pi/4.5:pi/180:pi/3;e=pi/157;tand=0.59;c=0.915;B=60;H=33;F=1.414*c*B*H/sin(3*pi/2-2*e-2*W)/(1-tand)-1.414*c*B*H/2*cos(3*pi/4-e-W)/(1-tand);plot(W,F)xlabel('安装角/°')ylabel('切削阻力F/N')Error using / Matrix dimensions must agree.Error in Un
F=1.414*c*B*H/sin(3*pi/2-2*e-2*W)/(1-tand)-1.414*c*B*H/2*cos(3*pi/4-e-W)/(1-tand);
因为W是个向量,所以你应该使用点乘和点除.