基于matlab的画图课设（免费提供全部源码）

%{ This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <https://www.gnu.org/licenses/>. Copyright (C) [2023] [HPC2H2] %} function Calculator %% 全局变量 global GUI % 计算器待运算的字符串 global strPendingEvaluation % 上一次运算的结果 global previousCalculationResult % 模式转换三状态 % displayPrecision 输出结果的时候用 % complexFormat 在输出值为复数的时候用 % angularUnit 极直互换的时候用 global displayPrecision complexFormat angularUnit % 控制工程存储的用户输入 global upperG lowerG upperH lowerH parameterPID % 画图类型选择 global plotLineOrFunctionChosed %画折线图 数据与x的个数 global xDataLine yDataLine xCountLine % 画函数图 表达式与坐标轴范围 global funcGraphExpression xLimFunc yLimFunc % 积分 global intUpperLimit intLowerLimit intKindChosed % 求导 global derivativedExpression % 定位多状态过程运行节点 % 模式转换进行到哪步了 max:(3) global modeChoosingState % 控制工程进行到哪一步了 max:(7) global controlSystemsimulatingState % 画图到哪一步了 max:(4/3) global plottingState % 求根到哪一步了 max:(2) global findRootState % 积分和求导进行到哪一步了 max:(4/3,4) global intState diffState % 极坐标和直角坐标的互换进行到哪一步了 max:(2) global polState recState % 初始化全局变量 strPendingEvaluation = '0'; previousCalculationResult = '0'; modeChoosingState = 0; displayPrecision = 1; complexFormat = 1; angularUnit = 1; controlSystemsimulatingState = 0; upperG = 1;lowerG = [1 10];upperH = 1;lowerH = 1; parameterPID = [1 0 0]; plottingState = 0; plotLineOrFunctionChosed = 2;% 画折线图 xDataLine = []; yDataLine = []; xCountLine = 0; xLimFunc = []; yLimFunc = []; findRootState = 0; intState = 0; intUpperLimit = inf; intLowerLimit = -inf; intKindChosed = 1;% 定积分 diffState = 0; derivativedExpression = ''; polState = 0; recState = 0; %% 计算器figure界面参数 fhHeight = 1100; fhWidth = 600; fhLeft = 1200; fhBottom = 90; GUI.fh = figure('units','pixels',... 'position',[fhLeft fhBottom fhWidth fhHeight],... 'menubar','none',... 'name','Calculator','NumberTitle','off'); % 计算器布局: 按钮9行5列，显示屏占3行5列的距离 % 大多数(最小)按钮大小 宽*高 = 108*88 % 各相对距离 btnWidth = 0.18; % 按钮宽度 btnHeight = 0.08; % 按钮高度 btnHorDis = (1 - 5*btnWidth)/6; % 两个按钮之间的水平距离 btnVerDis = (1 - 12*btnHeight)/11; % 两个按钮之间的竖直距离 btnInitLeft = btnHorDis;% 按钮离左边框的基准距离 btnInitBottom = btnVerDis;% 按钮离底边框的基准距离 %% 按钮布局 % Position 按钮位置 [left bottom width height] % 数字按键 digit组 GUI.button0 = uicontrol('Parent',GUI.fh, ... 'Units','normalized',... 'Position',[btnInitLeft btnInitBottom btnWidth btnHeight], ... 'Style','pushbutton',... 'String','0', ... 'FontUnits','normalized', ...% 字体大小随窗口变化 'FontSize',0.5,... 'callback',{@processDigit,'0'},... 'UserData', 'digit'); GUI.button1 = uicontrol('Parent',GUI.fh, ... 'Units','normalized',... 'Position',[btnInitLeft btnInitBottom ... + (btnHeight + btnVerDis) btnWidth btnHeight], ... 'Style','pushbutton',... 'String','1', ... 'FontUnits','normalized', ... 'FontSize',0.5,... 'callback',{@processDigit,'1'},... 'UserData', 'digit'); GUI.button2 = uicontrol('Parent',GUI.fh, ... 'Units','normalized',... 'Position',[btnInitLeft + (btnWidth + btnHorDis) btnInitBottom ... + (btnHeight + btnVerDis) btnWidth btnHeight], ... 'Style','pushbutton',... 'String','2', ... 'FontUnits','normalized', ... 'FontSize',0.5,... 'callback',{@processDigit,'2'},... 'UserData', 'digit'); GUI.button3 = uicontrol('Parent',GUI.fh, ... 'Units','normalized',... 'Position',[btnInitLeft + 2*(btnWidth + btnHorDis) btnInitBottom ... + (btnHeight + btnVerDis) btnWidth btnHeight], ... 'Style','pushbutton',... 'String','3', ... 'FontUnits','normalized', ... 'FontSize',0.5,... 'callback',{@processDigit,'3'},... 'UserData', 'digit'); GUI.button4 = uicontrol('Parent',GUI.fh, ... 'Units','normalized',... 'Position',[btnInitLeft btnInitBottom ... + 2*(btnHeight + btnVerDis) btnWidth btnHeight], ... 'Style','pushbutton',... 'String','4', ... 'FontUnits','normalized', ... 'FontSize',0.5,... 'callback',{@processDigit,'4'},... 'UserData', 'digit'); GUI.button5 = uicontrol('Parent',GUI.fh, ... 'Units','normalized',... 'Position',[btnInitLeft + (btnWidth + btnHorDis) btnInitBottom ... + 2*(btnHeight + btnVerDis) btnWidth btnHeight], ... 'Style','pushbutton',... 'String','5', ... 'FontUnits','normalized', ... 'FontSize',0.5,... 'callback',{@processDigit,'5'},... 'UserData', 'digit'); GUI.button6 = uicontrol('Parent',GUI.fh, ... 'Units','normalized',... 'Position',[btnInitLeft + 2*(btnWidth + btnHorDis) btnInitBottom ... + 2*(btnHeight + btnVerDis) btnWidth btnHeight], ... 'Style','pushbutton',... 'String','6', ... 'FontUnits','normalized', ... 'FontSize',0.5,... 'callback',{@processDigit,'6'},... 'UserData', 'digit'); GUI.button7 = uicontrol('Parent',GUI.fh, ... 'Units','normalized',... 'Position',[btnInitLeft btnInitBottom ... + 3*(btnHeight + btnVerDis) btnWidth btnHeight], ... 'Style','pushbutton',... 'String','7', ... 'FontUnits','normalized', ... 'FontSize',0.5,... 'callback',{@processDigit,'7'},... 'UserData', 'digit'); GUI.button8 = uicontrol('Parent',GUI.fh, ... 'Units','normalized',... 'Position',[btnInitLeft + (btnWidth + btnHorDis) btnInitBottom ... + 3*(btnHeight + btnVerDis) btnWidth btnHeight], ... 'Style','pushbutton',... 'String','8', ... 'FontUnits','normalized', ... 'FontSize',0.5,... 'callback',{@processDigit,'8'},... 'UserData', 'digit'); GUI.button9 = uicontrol('Parent',GUI.fh, ... 'Units','normalized',... 'Position',[btnInitLeft + 2*(btnWidth + btnHorDis) btnInitBottom ... + 3*(btnHeight + btnVerDis) btnWidth btnHeight], ... 'Style','pushbutton',... 'String','9', ... 'FontUnits','normalized', ... 'FontSize',0.5,... 'callback',{@processDigit,'9'},... 'UserData', 'digit'); % 小数点、倒数运算、等于号、加减乘除按键 % Equal 在求导与积分、画图、模式转换、求根、控制工程复用为"下一步" % 除了选择模式情况之外都能用，属于 basic1 组 % 除了选择模式和输入数据的情况之外都能用，属于 basic2 组 % Equal(下一步)在任何情况下都能用，属于 essential 组 GUI.buttonDot = uicontrol('Parent',GUI.fh, ... 'Units','normalized',... 'Position',[btnInitLeft + (btnWidth + btnHorDis) btnInitBottom ... btnWidth btnHeight], ... 'Style','pushbutton',... 'String','.', ... 'FontUnits','normalized', ... 'FontSize',0.5,... 'callback',{@executeBasicOperation,'.'},... 'UserData', 'basic1'); GUI.buttonReciprocal = uicontrol('Parent',GUI.fh, ...